WO2000060196A1 - Door access control method and device using fingerprint - Google Patents

Door access control method and device using fingerprint Download PDF

Info

Publication number
WO2000060196A1
WO2000060196A1 PCT/KR2000/000312 KR0000312W WO0060196A1 WO 2000060196 A1 WO2000060196 A1 WO 2000060196A1 KR 0000312 W KR0000312 W KR 0000312W WO 0060196 A1 WO0060196 A1 WO 0060196A1
Authority
WO
WIPO (PCT)
Prior art keywords
fingeφrint
passer
master
door
microprocessor
Prior art date
Application number
PCT/KR2000/000312
Other languages
French (fr)
Inventor
Jong-Min Kim
Original Assignee
Fist Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fist Co., Ltd. filed Critical Fist Co., Ltd.
Priority to AU36823/00A priority Critical patent/AU3682300A/en
Publication of WO2000060196A1 publication Critical patent/WO2000060196A1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/22—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder
    • G07C9/25—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition
    • G07C9/257—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition electronically

Definitions

  • the present invention relates to a door access control method and device using fingerprints, in which a passer's password and fingerprint are recognized in opening the door automatically.
  • the present invention relates to a door access control method and device using fingerprint, in which a passer's password and finge ⁇ rint are recognized in opening the door automatically.
  • Such door access control devices are usually provided on the outdoor side to recognize the finge ⁇ rint of a passer and automatically open the door only to an authorized person.
  • the related art door access control devices provided on the outdoor side to control the opening of the door with a fingerprint recognizer located on the outdoor side, have a problem in that an authorized person can open the door by disassembling the outdoor access control device and manipulating it.
  • a door access control method and device that has at least one outdoor unit provided in the exterior side of each door and at least one indoor unit integrally associated with the outdoor unit and provided in the interior side of the door and/or in an access control site, the outdoor unit preliminarily storing the ID numbers and the finge ⁇ rints of a master, a sub master and other authorized persons, comparing the ID number and the finge ⁇ rint of a passer with the stored ID number and finge ⁇ rints in order to determine whether the passer is the master, the sub master or an authorized person, and sending the opening signal to the indoor unit when the passer is verified as an authorized person, then the indoor unit opening the door as requested by the outdoor unit, as a result of which the indoor unit will not allow the door open to an unauthorized person who attempts to open the door by disassembling the outdoor unit.
  • the door access control method and device of the present invention also stores the video information about the unauthorized person for using pu ⁇ ose in the later identification of a suspect, thereby assisting scientific investigation.
  • the door access control method and device automatically informs the managers of an emergent situation in communication with a burglar alarm device and provides initial repression of a criminal, for example, by spouting a gas.
  • Fig. 1 is a block diagram illustrating an embodiment of a door access control device in accordance with the present invention
  • Fig. 2 is a block diagram illustrating another embodiment of the door access control device in accordance with the present invention
  • Fig. 3 is a block diagram illustrating still another embodiment of the door access control device in accordance with the present invention
  • Fig. 4 is a block diagram illustrating still further another embodiment of the door access control device in accordance with the present invention.
  • Figs. 5 to 16 are signal flowcharts showing the operation of an outdoor unit in a door access control method of the present invention, wherein
  • Fig. 5 is a signal flowchart showing a main routine of the outdoor unit
  • Fig. 6 is a signal flowchart showing the master registration routine shown in Fig. 5
  • Fig. 7 is a signal flowchart showing the data processing routine of the outdoor unit shown in Fig. 5,
  • Fig. 8 is a signal flowchart showing the key signal processing routine of the outdoor unit shown in Fig. 5
  • Fig. 9 is a signal flowchart showing the sub master registration routine shown in
  • Fig. 10 is a signal flowchart showing the master transfer routine of the master shown in Fig. 8,
  • Fig. 11 is a signal flowchart showing the password change routine shown in Fig. 8
  • Fig. 12 is a signal flowchart showing the normal passer registration routine shown in Fig. 8,
  • Fig. 13 is a signal flowchart showing the normal passer deletion routine shown in Fig. 8.
  • Fig. 14 is a signal flowchart showing the door opening routine 1 shown in Fig. 8
  • Fig. 15 is a signal flowchart showing the door opening routine 2 shown in Fig. 8, and
  • Fig. 16 is a signal flowchart showing the conversation routine of the outdoor unit shown in Fig. 8.
  • Figs. 17 to 19 are signal flowcharts showing the operation of an indoor unit in the door access control method of the present invention, wherein
  • Fig. 17 is a signal flowchart showing a main routine of the indoor unit
  • Fig. 18 is a signal flowchart showing the key signal processing routine of the indoor unit shown in Fig. 17, and
  • Fig. 19 is a signal flowchart showing the data processing routine of the indoor unit shown in Fig. 17.
  • Fig. 1 is a block diagram illustrating the structure of a door access control device using finge ⁇ rints in accordance with the present invention.
  • the door access control device of the present invention includes an outdoor unit 100 provided in the exterior side of the door for storing the finge ⁇ rints and the identification (ID) numbers of the individual authorized persons, sending a door opening signal when a passer inputs the same password or finge ⁇ rint as the previously stored password or finge ⁇ rint, and simultaneously, photographing a video of the passer and providing communication with the passer via an inte ⁇ hone; and an indoor unit 200 provided in the interior side of the door for opening the door as requested by the outdoor unit, providing communication with the passer via the video inte ⁇ hone, and storing and outputting video information about the passer or generating an alarm upon detection of an unauthorized passer.
  • an outdoor unit 100 provided in the exterior side of the door for storing the finge ⁇ rints and the identification (ID) numbers of the individual authorized persons, sending a door opening signal when a passer
  • the outdoor unit 100 includes an outdoor microprocessor 102 for controlling the outdoor unit 100 to store the passwords and the finge ⁇ rints of the individual authorized persons, send the opening signal to the indoor unit 200 when the passer is verified as an authorized person from his finge ⁇ rint, photographing the passer and activating an inte ⁇ hone function to bring the outdoor unit 100 in communication with the indoor unit 200 via a video inte ⁇ hone; a video camera 104 operated under the control of the outdoor microprocessor 102 to photograph the passer; an outdoor ID determiner 106 for determining the ID number of the outdoor unit 100 and sending the determined ID number to the outdoor microprocessor 102; a finge ⁇ rint detector 108 for detecting the input finge ⁇ rint and sending the detection results to the outdoor microprocessor 102; a key input 110 for sending a key signal input by the passer to the outdoor microprocessor 102; a memory 112 for storing and outputting the passer's finge ⁇ rint and password and the ID number of the outdoor unit 100 under the control of
  • the indoor unit 200 includes an indoor microprocessor 202 for controlling the indoor unit 200 to open the door as requested by the outdoor microprocessor 102 of the outdoor 100, generate an alarm upon detection of an unauthorized passer, display a video signal received from the video camera 104, activate a video inte ⁇ hone function for communication with the outdoor unit 100, and generate a burglar alarm in the presence of an unauthorized passer; a video compression storage/reproducer 204 for compressing the video signal received from the video camera 104 and storing and outputting the compressed video signal under the control of the indoor microprocessor 202; a switch 206 for selectively outputting the video signals from the video camera 104 and the video compression storage/reproducer 204 under the control of the indoor microprocessor 202; a video display 208 operated under the control of the indoor microprocessor 202 to display the video signals selectively output by the switch 206; a burglar alarm device 210 operated under the control of the indoor microprocessor 202 to generate an alarm sound, activate an alarm lamp, spout a gas and
  • the door access control device of the present invention with such a construction causes a master to input his password and finge ⁇ rint through the key input 1 10 and the finge ⁇ rint detector 108 of the outdoor unit 100, and the outdoor microprocessor 102 to store the master's password and finge ⁇ rint in the memory 112 and register the master.
  • the outdoor microprocessor 102 also registers a sub master who will take the place of the master in charge of the door access control in the master's absence, and other authorized persons.
  • the master To register a sub master, the master first operates the key input to inform about the registration of the sub master and input his finge ⁇ rint and then the sub master ' s password and finge ⁇ rint.
  • the outdoor microprocessor 102 stores the sub master's password and finge ⁇ rint in the memory 112 and terminates registration of the sub master.
  • the master/sub master To register a normal passer, the master/sub master first operates the key input 110 to inform about the registration of the normal passer and inputs his finge ⁇ rint and then the normal passer's ID number and finge ⁇ rint.
  • the outdoor microprocessor 102 stores the normal passer's ID number and finge ⁇ rint in the memory 112 and terminates registration of the normal passer.
  • the outdoor microprocessor 102 compares the password and the finge ⁇ rint with those stored in the memory 112 to determine whether the passer is an authorized person, and sends a door opening signal to the indoor unit 200 when the passer is verified as an authorized person.
  • the indoor microprocessor 202 of the indoor unit 200 controls the door lock part 218 to open the door and sends to the outdoor unit 100 a signal indicating that the door is open.
  • the voice synthesizer 116 of the outdoor unit 100 outputs a defined information voice signal, which is amplified at the amplifier 118 and sent to the speaker 120, under the control of the outdoor microprocessor 102.
  • the outdoor microprocessor 102 informs the indoor unit 200 that there is a passer, and operates the video camera 104 to generate a video signal of the passer and send the generated video signal to the indoor unit 200. Then, the indoor microprocessor 202 of the indoor unit 200 activates the alarm part 214 to generate an alarm indicating the presence of a passer and operates the video display 208 to display the video signal of the passer received from the video camera 104 so that an indoor resident can verify the passer. After an elapse of a predetermined period of time, the indoor microprocessor 202 controls the video compression storage/reproducer 204 to store the video information of the passer generated at the video camera 104.
  • the video compression storage/reproducer 204 is a commercially available device that compresses the video of the passer photographed by the video camera 104 and stores and outputs the compressed video in a first in first out manner by about eight or twenty cuts according to the full color or monochromic film under the control of the indoor microprocessor 202.
  • the indoor microprocessor 202 operates the amplifier 226 and simultaneously calls the outdoor unit 100 to have the outdoor microprocessor 102 operate the amplifier 118 and be in inte ⁇ hone-mediated communication.
  • the voice signal of the indoor resident is output to the speaker 120 sequentially via the microphone 224 and the amplifiers 226 and 118, the voice signal of the passer being output to the speaker 228 via the microphone and the amplifiers 118 and
  • the indoor microprocessor 202 determines from the output signal of the burglar sensor 216 whether there is an invading unauthorized passer. Upon detection of such an unauthorized passer, the indoor microprocessor 202 activates both the alarm part 214 and the burglar alarm device 210.
  • the burglar alarm device 210 is a commercially available device that, in a case where the indoor microprocessor 202 detects an invading unauthorized passer, operates a red flashing lamp, calls the master and/or the sub master to the telephone to inform the presence of the unauthorized invader, and spouts out a gas to the invader.
  • the door access control device of the present invention may have a plurality of outdoor units 100 and a plurality of indoor units 200.
  • the indoor unit 200 may be connected to the outdoor unit 100 on a one-to-one basis to control one door at the same site as illustrated in Fig. 1 ; or a single indoor unit 200 may be connected to a plurality of outdoor units 100 to control a plurality of doors based on the signal of the plural outdoor units 100, as illustrated in Fig. 2; or a plurality of indoor units 200 may be connected to a single outdoor unit 100 to control one door based on the signal of the outdoor unit 100, as illustrated in Fig. 3; or a plurality of indoor units 200 may be connected to a plurality of outdoor units 100, as illustrated in Fig. 4, such that selected one of the plural indoor units 200 controls a plurality of doors based on the signal of the plural outdoor units 100.
  • Fig. 5 is a signal flowchart showing a main routine of the outdoor unit 100.
  • the outdoor microprocessor 102 performs an initialization in step SI 01 and determines in step SI 02 whether a master is registered. If the master is not registered, the outdoor microprocessor 102 performs a master registration routine that will be described later, to register the master, in step SI 03.
  • the outdoor microprocessor 102 determines in step SI 04 whether defined data are received from the indoor unit 200, and upon receipt of such data, performs a data processing routine of the outdoor unit that will be described later, to perform a defined operation based on the received data in step SI 05.
  • step SI 06 determines in step SI 06 whether a defined key signal is received from the key input
  • the master registration routine of step SI 03 is designating a master who will manage the door access control device.
  • the outdoor microprocessor 102 determines in step Si l l whether a key signal is received from the key input 110, and upon receipt of such a key signal, determines in step SI 12 whether the received key signal indicates predefined key selection for master registration, i.e., "#" and "0" in sequence.
  • the outdoor microprocessor 102 controls both the amplifier 118 and the voice synthesizer 116 in step SI 13, i.e., a voice signal notifying the master to input his finge ⁇ rint, such as "Input your finge ⁇ rint, please" is generated and output to the speaker 120 via the amplifier 118.
  • the master inputs his finge ⁇ rint via the finge ⁇ rint recognizer 108 according to the information notifying input of the master's finge ⁇ rint.
  • the outdoor microprocessor
  • step SI 14 receives the master's finge ⁇ rint in step SI 14 and controls the voice synthesizer 116 in step SI 16, i.e., a voice signal notifying the master to input his password, such as "Enter your password, please” is generated and output to the speaker 120 via the amplifier 118.
  • the password of the master is designated with, for example, five to fifteen numeric keys.
  • the master inputs his password to the outdoor microprocessor 102 with five to fifteen numeric keys on the key input 110 in step SI 16, and selects the end key, i.e., "*" in step SI 17.
  • the outdoor microprocessor 102 stores the master's finge ⁇ rint and password in the memory 112 in step SI 18, and generates a voice signal, i.e., "The master has been registered" to the speaker 120 in step SI 19, then returning to the main routine.
  • the data processing routine of the outdoor unit of step S 105 is receiving defined data from the indoor unit 200 and performing an operation based on the received data.
  • the outdoor microprocessor 102 upon receiving the defined data from the input unit 200, stores the received data in step S121. verifies the ID number from the stored data in step SI 22 and determines in step SI 23 whether the ID number is in accord with its ID number.
  • the data the outdoor unit 100 transfers to the indoor unit 200 has a format of, for example, "read in signal + ID number of the outdoor unit 100 set at the outdoor ID determiner + ID number of the indoor unit 200 set at the indoor ID determiner + instruction (door opening signal) + read out signal".
  • the outdoor microprocessor 102 checks on the instruction from the stored data in step SI 24. With the instruction verified as a call instruction in step SI 25, the outdoor microprocessor 102 maintains a standby mode in step S126; and with the instruction verified as a call canceling instruction in step S127, the outdoor microprocessor 102 cancels the standby mode and enters a normal mode.
  • the reason that the outdoor microprocessor 102 maintains the standby mode still in the case where the input ID number is not in accord with its ID number and the instruction is a call instruction is to prevent possible confounding that may occur when the outdoor microprocessor 102 operates while another outdoor unit 100 communicates a video and an inte ⁇ hone-mediated conversion with the indoor unit 200.
  • step SI 23 If the input ID number is in accord with the ID number of the outdoor microprocessor 102 in step SI 23, the outdoor microprocessor 102 verifies the instruction from the stored data in step SI 29. With the instruction verified as a call instruction in step
  • the outdoor microprocessor 102 activates the video camera 104 as well as the inte ⁇ hone in step S 131.
  • the outdoor microprocessor 102 operates the video camera 104 to photograph the passer and transmit the video of the passer to the indoor unit 200.
  • the outdoor microprocessor 102 also operates the amplifier 118 not only to amplify the voice signal of the passer input through the microphone 1 14 and transmit the amplified voice signal to the indoor unit 200, but also to amplify the voice signal of the indoor resident transferred from the indoor unit 200 and output the amplified voice signal to the speaker 120 so that the passer can listen to the voice signal of the indoor resident.
  • the outdoor microprocessor 102 suspends the video camera 104 and the inte ⁇ hone in step 133; and with the instruction verified as a door opening indication in step SI 34, the outdoor microprocessor 102 controls the voice synthesizer 116 and the amplifier 118 in step SI 35 to generate an information voice signal, i.e., "Door is open, and pass the door, please.”
  • the key signal processing routine of step SI 07 is performing a defined operation based on the key signal received from the key input 110.
  • the outdoor microprocessor 102 determines in steps S141 to SI 48 whether the input key signal is a sub master registration key, a master transfer key, a password change key, a normal passer registration key, a normal passer deletion key, a door opening key 1, a door opening key 2 or a call key.
  • the outdoor microprocessor 102 performs in step SI 49 a sub master registration routine that will be described later, to register the sub master; with the master transfer key input, the outdoor microprocessor 102 performs in step SI 50 a master transfer routine that will be described later, to register transfer of the master or the sub master; with the password change key, the outdoor microprocessor 102 performs in step SI 51 a password change routine that will be described later, to alter the password of the master or the sub master; and with the normal passer registration key input, the outdoor microprocessor 102 performs in step SI 52 a normal passer registration routine that will be described later, to register a normal authorized passer.
  • the outdoor microprocessor 102 performs in step SI 53 a normal passer deletion routine that will be described later, to delete the registration of a corresponding normal passer or all the normal passers; with the door opening key 1 or the door opening key 2 input, the outdoor microprocessor 102 performs in step SI 54 or SI 55 a door opening routine 1 or a door opening routine 2 that will be described layer, to open the door; and with numeric keys and a call key sequentially input according to the ID number of a target indoor unit 200, the outdoor microprocessor 102 performs in step 156 an indoor conversation routine that will be described later, to enable conversation with the indoor resident.
  • the sub master registration routine of step SI 49 is designating a sub master who will take in charge of the master's duty in the absence of the master, and activated in the event that sub master registration keys, e.g., "#" and "*" are sequentially selected.
  • the outdoor microprocessor 102 provides information notifying to input the master's finge ⁇ rint in step SI 61. With the master's finge ⁇ rint input in step SI 62, the outdoor microprocessor
  • step SI 63 determines in step SI 63 whether the input finge ⁇ rint is in accord with the registered master's finge ⁇ rint.
  • step SI 64 determines in step SI 64 whether such discordance occurs for predetermined times, e.g., three times. If less than three times, the outdoor microprocessor 102 notifies to input the master's finge ⁇ rint again in step S165, and returns to step SI 62.
  • the outdoor microprocessor 102 terminates the sub master registration routine.
  • the outdoor microprocessor 102 If the input finge ⁇ rint is in accord with the registered master's finge ⁇ rint in step SI 63, the outdoor microprocessor 102 provides information notifying to enter the sub master's password, in step SI 66. When the sub master's password is entered in step SI 67 and the end key "*" is selected in step SI 68, the outdoor microprocessor 102 notifies the passer to input the sub master's finge ⁇ rint in step SI 69 and receives the sub master's finge ⁇ rint via the finge ⁇ rint recognizer 108 in step SI 70.
  • the outdoor microprocessor 102 stores the sub master's password and finge ⁇ rint in the memory 112 to register the sub master in step SI 71, and provides sub master registration ending information, e.g., "The sub master has been registered" in step SI 72, then terminating the sub master registration routine.
  • the master transfer routine of step SI 50 is registering another master/sub master in the absence of the master/sub master due to long-term absence, disease or retirement, and activated in the event that master transfer keys, e.g., "#" and "1" are sequentially selected.
  • the outdoor microprocessor 102 provides information notifying to input the finge ⁇ rint of the master/sub master who will transfer his duty to another, in step 181.
  • the transfer's finge ⁇ rint is input in step 181.
  • the outdoor microprocessor 102 determines in step SI 83 whether the transfer's finge ⁇ rint is in accord with the finge ⁇ rint of the registered master/sub master.
  • step SI 84 the outdoor microprocessor 102 determines in step SI 84 whether such discordance occurs for predetermined times, e.g., three times. If less than three times, the outdoor microprocessor 102 notifies to input the transfer's finge ⁇ rint again in step SI 85, and returns to step SI 82.
  • the outdoor microprocessor 102 terminates the master transfer routine.
  • the outdoor microprocessor 102 determines in step SI 89 whether the input password is in accord with the previously stored password.
  • step SI 82 determines in step S 187 whether the input password is in accord with the registered master's password; or if the finge ⁇ rint input in step SI 82 is the sub master's, the outdoor microprocessor determines in step 187 whether the input password is in accord with the registered sub master's password. If the input password is not in accord with the password of the registered master/sub master in step SI 89, the outdoor microprocessor 102 determines in step SI 90 whether such discordance occurs for predetermined times. If less than the predetermined times, the outdoor microprocessor 102 notifies to enter the transfer's password again in step SI 91, and returns to step SI 87. When the input password is not in accord with the finge ⁇ rint of the registered master/sub master for the predetermined times in step SI 90, the outdoor microprocessor 102 terminates the master transfer routine.
  • the outdoor microprocessor 102 If the input password is in accord with the finge ⁇ rint of the registered master/sub master in step SI 89, the outdoor microprocessor 102 provides transferee's password input information notifying to enter the password of the transferee, in step SI 92.
  • the outdoor microprocessor 102 provides transferee's finge ⁇ rint input information notifying to input the finge ⁇ rint of the transferee, in step SI 95.
  • step SI 96 If the transferee's finge ⁇ rint is input in step SI 96, the outdoor microprocessor 102 stores the transferee's password and finge ⁇ rint in the memory 112 in step SI 97 to designate the transferee as the succeeding master/sub master, and provides registration ending information in step SI 98.
  • the outdoor microprocessor 102 resets the transferee's finge ⁇ rint and password input in steps SI 93 and SI 96 as the succeeding master's; or if the transfer's finge ⁇ rint and password are the sub master's, the outdoor microprocessor 102 resets the transferee's finge ⁇ rint and password as the succeeding sub master's.
  • the password change routine of step S151 is changing the password of the master/sub master, and activated in the event that password change keys, e.g., "#" and "2" are sequentially selected.
  • the outdoor microprocessor 102 provides master/sub master's finge ⁇ rint input information notifying to input the finge ⁇ rint of the master/sub master who will change his password, in step 201.
  • the outdoor microprocessor 102 determines in step S203 whether the master/sub master's finge ⁇ rint is in accord with the finge ⁇ rint of the registered master/sub master.
  • the outdoor microprocessor 102 determines in step S204 whether such discordance occurs for predetermined times, e.g., three times. If less than three times, the outdoor microprocessor 102 notifies to input the master/sub master's finge ⁇ rint again in step S205, and returns to step S202.
  • the outdoor microprocessor 102 terminates the password change routine.
  • the outdoor microprocessor 102 determines in step S209 whether the input password is in accord with the previously stored password.
  • step S209 determines whether the input password is in accord with the registered master's password; or if the finge ⁇ rint input in step S202 is the sub master's, the outdoor microprocessor determines in step 209 whether the input password is in accord with the registered sub master ' s password. If the input password is not in accord with the password of the registered master/sub master in step S209, the outdoor microprocessor 102 determines in step S210 whether such discordance occurs for predetermined times. If less than the predetermined times, the outdoor microprocessor 102 notifies to enter the master/sub master's password again in step S211 , and returns to step S207.
  • the outdoor microprocessor 102 terminates the password change routine.
  • the outdoor microprocessor 102 If the input password is in accord with the finge ⁇ rint of the registered master/sub master in step S209, the outdoor microprocessor 102 provides new password input information notifying to enter a new password, in step S212.
  • the outdoor microprocessor 102 stores the new password in the memory 112 in step S215 and provides new password registration ending information in step S216, then terminating the password change routine.
  • the normal passer registration routine of step SI 52 is designating a normal authorized passer other than the master and the sub master, and activated in the event that normal passer registration keys, e.g., "#" and "3" are sequentially selected.
  • the outdoor microprocessor 102 provides master/sub master's finge ⁇ rint input information notifying to input the finge ⁇ rint of the master/sub master in step S221.
  • the outdoor microprocessor 102 determines in step S223 whether the input finge ⁇ rint is in accord with the registered master/sub master's finge ⁇ rint. If the input finge ⁇ rint is not in accord with the registered master/sub master's finge ⁇ rint in step S223, the outdoor microprocessor 102 determines in step S224 whether such discordance occurs for predetermined times, e.g., three times. If less than three times, the outdoor microprocessor 102 notifies to input the master/sub master's finge ⁇ rint again in step S225, and returns to step S222.
  • the outdoor microprocessor 102 terminates the normal passer registration routine.
  • the outdoor microprocessor 102 provides normal passer's ID number input information notifying to enter the ID number of a normal passer to be registered, in step S226.
  • the normal passer's password is entered in step S227 and the outdoor microprocessor 102 determines in step S228 whether the end key is selected from the key input 110.
  • the ID number of the normal passer is a serial combination of the ID number of the corresponding indoor unit and the personal number assigned to the passer.
  • the outdoor microprocessor 102 With the end key selected in step S228, the outdoor microprocessor 102 notifies to input the normal passer's finge ⁇ rint in step 229 and receives the finge ⁇ rint via the finge ⁇ rint recognizer 108 in step S230. Thereafter, the outdoor microprocessor 102 stores the ID number and the finge ⁇ rint of the normal passer in the memory 112 to register the normal passer in step S231 , and provides normal passer registration ending information in step S232, then terminating the normal passer registration routine.
  • the normal passer deletion routine of step SI 53 is canceling the registration of a normal authorized passer and restraining the entrance of the passer, and activated in the event that normal passer deletion keys, e.g., "#" and "4" are sequentially selected.
  • the outdoor microprocessor 102 provides master/sub master's finge ⁇ rint input information notifying to input the finge ⁇ rint of the master/sub master in step S241.
  • the outdoor microprocessor 102 determines in step S243 whether the input finge ⁇ rint is in accord with the registered master/sub master's finge ⁇ rint.
  • the outdoor microprocessor 102 determines in step S244 whether such discordance occurs for predetermined times. If less than for the predetermined times, the outdoor microprocessor 102 notifies to input the master/sub master's finge ⁇ rint again in step S245, and returns to step S242.
  • the outdoor microprocessor 102 When the input finge ⁇ rint is not in accord with the registered master/sub master's finge ⁇ rint for the predetermined times in step S244, the outdoor microprocessor 102 returns to the main routine. If the input finge ⁇ rint is in accord with the registered master/sub master's finge ⁇ rint in step S243, the outdoor microprocessor 102 provides normal passer's ID number input information notifying to enter the ID number of a normal passer to be deleted, in step S246. The normal passer's password is entered in step S247 and the outdoor microprocessor 102 determines in step S248 whether the end key is selected from the key input 1 10.
  • the outdoor microprocessor 102 deletes the ID numbers and finge ⁇ rints of all registered normal passers from the memory 112 in step S252 and provides information that all normal passer have been deleted, in step S253. If judging that all normal passers should not be deleted, in step S250, the outdoor microprocessor 102 deletes the ID numbers of the corresponding normal passers in sep S252 and provides information that the corresponding normal passers have been deleted, in step S253.
  • the door opening routine 1 of step SI 54 is a normal passer's opening the door with his ID number and finge ⁇ rint or a master/sub master's opening the door with his own password, and activated in the event that "ID number or password" and "*" keys are sequentially selected.
  • the outdoor microprocessor 102 determines in step S261 whether the input number is in accord with the ID number registered in the memory 112. If the number is in accord with the ID number in the memory 112, the outdoor microprocessor 102 provides information notifying the passer to input his finge ⁇ rint in step S262.
  • the outdoor microprocessor 102 determines in step S264 whether the finge ⁇ rint is in accord with the stored finge ⁇ rint corresponding to the ID number.
  • the outdoor microprocessor 102 determines in step 265 whether such discordance occurs for predetermined times, and if less than the predetermined times, provides information notifying the passer to input his finge ⁇ rint again in step S266, then returning to step S263.
  • step S265 If the input finge ⁇ rint is not in accord with the stored finge ⁇ rint of the passer for predetermines times in step S265, the outdoor microprocessor 102 provides in step S270 information indicating that there is no corresponding finge ⁇ rint, then returning to the main routine.
  • the outdoor microprocessor 102 sends a door opening signal to the indoor unit 200 corresponding to the input ID number in step S268.
  • the data the outdoor unit 100 transfer to the indoor unit 200 has a format given as, for example, "read in signal + ID number of the outdoor unit 100 + instruction (door opening signal) + ID number of the indoor unit 200 for the door to be opened + read out signal".
  • the indoor unit 200 opens the corresponding door based on the door opening signal from the outdoor unit 100 and sends the outdoor unit 100 defined data indicating that the door has been opened. Then, the outdoor unit 100 performs the data processing routine of Fig. 7 to provide door open information.
  • the outdoor microprocessor 102 determines in step S269 whether the input number is in accord with the password of the registered master/sub master. If the input number is not in accord with the password of the registered master/sub master, the outdoor microprocessor 102 provides information indicating that there is neither ID number nor password corresponding to the input number, in step S270, then returning to the main routine. If the input number is in accord with the password of the master/sub master, the outdoor microprocessor 102 sends the indoor a door opening signal to the indoor unit 200 in step S288.
  • the outdoor microprocessor 102 when the outdoor unit 100 is connected to a single indoor unit 200, the outdoor microprocessor 102 sends the door opening signal to the single indoor unit 200; and when the outdoor unit 100 is connected to a plurality of indoor units 200, the outdoor microprocessor 102 sends the door opening signal to one of the indoor units
  • the indoor unit 200 that has the highest priority, i.e., the indoor unit 200 having the earliest ID number.
  • the door opening routine 2 of step SI 55 is opening the door with the finge ⁇ rint of the master/sub master or a normal passer, and activated in the event that "*" key is selected.
  • the outdoor microprocessor 102 provides finge ⁇ rint input information in step 271. As the finge ⁇ rint is input via the finge ⁇ rint recognizer 108 in step S272, the outdoor microprocessor 102 compares the input finge ⁇ rint with the respective stored finge ⁇ rints in step S273 and determines in step S274 whether the input finge ⁇ rint is in accord with any one of the stored finge ⁇ rints.
  • step S274 the outdoor microprocessor 102 determines in step 275 whether such discordance occurs for predetermined times, and if less than the predetermined times, provides information notifying to input the finge ⁇ rint again in step S276, then returning to step S272.
  • step S275 If the input finge ⁇ rint is in accord with none of the stored finge ⁇ rints for predetermines times in step S275, the outdoor microprocessor 102 provides in step S277 information indicating that there is no corresponding finge ⁇ rint, then returning to the main routine.
  • the outdoor microprocessor 102 verifies the ID number or password corresponding to the input finge ⁇ rint in step S278 and sends a door opening signal to the indoor unit 200 corresponding to the ID number or having the highest priority in step S279.
  • the conversation routine of the outdoor unit is activated then a passer selects a call key of the key input 110.
  • the outdoor microprocessor 102 sends defined data to the indoor unit 200, informing the presence of a passer in step S281.
  • the outdoor microprocessor 102 informs the indoor unit
  • the outdoor microprocessor 102 informs the indoor unit 200 having the highest priority that there is a passer.
  • the outdoor microprocessor 102 operates the video camera 104 to photograph a video of the passer and send the video to the indoor unit 200 in step S282, and determines in step S283 whether defined data is transferred from the indoor unit 200.
  • the outdoor microprocessor 102 determines in step S284 whether a predetermined period of time has elapsed, and if not, determines in step S285 again whether the call key is selected.
  • step S285 the outdoor microprocessor 102 returns to step S282, repeatedly operating the video camera 104 and determining receipt of the defined data from the indoor unit 200. If the call key is selected in step S285, the outdoor microprocessor 102 clears the counted time in step S286 and returns to step S281, repeatedly informing the indoor unit 200 that there is a passer, operating the video camera 104 and determining receipt of the defined data from the indoor unit 200. In such a situation, when the defined data is not received from the indoor unit 200 until an elapse of the predetermined time, the outdoor microprocessor 102 suspends the video camera 104 in step S287 and returns to the main routine.
  • the outdoor microprocessor 102 performs the data processing routine of the outdoor unit of Fig. 7, allowing the passer to have a conversation with the indoor resident via the inte ⁇ hone.
  • Fig. 17 is a signal flowchart showing a main routine of the indoor unit 200.
  • the indoor microprocessor 202 performs an initialization in step S291, determines in step S292 whether a defined key signal is received from the key input 222, and if so, performs a key signal processing routine of the indoor unit in step S293.
  • the indoor microprocessor 202 determines in steps S301 to 304 whether the input key signal is a call key, a door opening key, a video display key or a burglar alarm key. If the key signal corresponds to the call key, the indoor microprocessor 202 determines in step S305 whether the inte ⁇ hone is presently in the normal mode.
  • the indoor microprocessor 202 sends the corresponding ID number and calling canceling instruction in step S308, and suspends both the video display 208 and the amplifier 226 to interrupt conversation via the inte ⁇ hone in step S309.
  • the indoor microprocessor 202 determines the current operation of the inte ⁇ hone upon selection of the call key; or when connected to a plurality of outdoor units 100, the indoor microprocessor 202 determines the current operation of the inte ⁇ hone upon selection of the call key as well as the ID number of the desired outdoor unit 100 for inte ⁇ hone conversation in step S301, thereby controlling the operation of the inte ⁇ hone.
  • the indoor microprocessor 202 opens the door in step S310 and sends the outdoor unit 100 data indicating the door is open, in step S311, thereby providing voice information notifying that the door is opened, in the data processing routine of the outdoor unit of Fig. 7.
  • the indoor microprocessor 202 when connected to a single outdoor unit 100, i.e., only one door, the indoor microprocessor 202 opens the door based on the door opening key input; or when connected to a plurality of outdoor units 100, the indoor microprocessor 202 opens the door of the outdoor unit 100 presently in communication via the inte ⁇ hone. Alternatively, upon selection of the door opening key as well as the ID number of the outdoor unit 100, the indoor microprocessor 202 opens the door corresponding to the input ID number of the outdoor unit 100 and sends data indicating that the door is open.
  • the indoor microprocessor 202 operates the video display 208 for a predetermined period of time in step S312, generating a video display signal.
  • the video compression storage/reproducer 204 reproduces the compressed video signal and the operating terminal of the switch 206 is connected to a fixed contact "b" of the other side, so that the video signal output from the video compression storage/reproducer 204 is input to the video display 208 via the switch 206 and displayed so as for the indoor resident to verify the passer.
  • the indoor microprocessor 202 determines in step S314 whether the burglar alarm function is currently activated. With the burglar alarm function activated, the indoor microprocessor 202 cancels the burglar alarm function in step S315; whereas, with the burglar alarm function inactivated, the indoor microprocessor 202 activates the burglar alarm function in step S316 and returns to the main routine.
  • the indoor microprocessor 202 determines in step S294 whether the burglar alarm function is currently activated, and if so, determines in step S295 whether an abnormal situation has occurred, i.e., whether the burglar sensor 216 detects an invading unauthorized person or the door lock sensor 220 detects the opening of the door.
  • the indoor microprocessor 202 controls the alarm part 214 to generate an alarm sound in step S296 and operates the alarm device 210 in step S297.
  • the indoor microprocessor 202 controls the alarm part 214 to interrupt the alarm sound in step S298.
  • the indoor microprocessor 202 determines in step S299 whether defined data is transferred from the outdoor unit 100, and if so, performs the data processing routine of the indoor unit in step S300.
  • the indoor microprocessor 202 stores the data received from the outdoor unit 100 in step S321, verifies the ID number and the instruction from the data in step S322 and determines in step S323 whether the ID number of the data is in accord with its ID number.
  • the indoor microprocessor 202 determines whether the instruction of the data is a calling instruction or a call waiting instruction. When the instruction of the data is a calling instruction in step S324, the indoor microprocessor 202 enters the standby mode in step S325; or when the instruction of the data is a call waiting instruction in step S326, the indoor microprocessor 202 cancels the standby mode in step S327.
  • the indoor microprocessor 202 determines whether the instruction is data informing the presence of a passer or door opening request data.
  • the indoor microprocessor 202 controls the alarm part 214 to generate an alarm sound informing the presence of the passer, in step S330, operates the video display 210 in step S331 so as for the indoor resident to verify the passer, and determines in step S332 whether a call key is received from the key input 222.
  • the indoor microprocessor 202 determines in step S333 whether a first predetermined time has elapsed in photographing a video of the passer and determines in step S334 whether a second predetermined time has elapsed in interrupting the alarm. If neither the first predetermined time nor the second predetermined time has elapsed, the indoor microprocessor 202 returns to step S330 to continuously generate the alarm sound informing that there is a passer.
  • the indoor microprocessor 202 outputs the stored video signal of the passer to the video compression storage/reproducer 204 in step S335, causing the video compression storage/reproducer 204 to compress and store the video of the passer photographed at the video camera 104.
  • the indoor microprocessor 202 controls the alarm part 214 to interrupt the alarm sound in step S336 and suspends the video display 208 in step S337.
  • the indoor microprocessor 202 controls the alarm part 214 to interrupt the alarm sound in step S338, sends the ID number of the outdoor unit 100 that informed the presence of the passer, and the calling instruction in step S339, and operates the amplifier 226 to enable conversation via the inte ⁇ hone in step S340, then returning to the main routine.
  • the indoor microprocessor 202 opens the door of the outdoor unit 100 that requested opening of the door, in step S341 and sends the ID number of the corresponding outdoor unit 100 and the door opening signal to provide information that the door is open, in step S342.
  • the present invention has at least one outdoor unit 100 provided in the exterior side of each door and at least one indoor unit 200 integrally associated with the outdoor unit and provided in the interior side of the door, the outdoor unit 100 preliminarily storing the finge ⁇ rints of authorized persons sending a door opening signal to the indoor unit 200 when a passer inputs his finge ⁇ rint verified as an authorized person's finge ⁇ rint, then the indoor unit 200 opening the door as requested by the outdoor unit 100, as a result of which the indoor unit 200 will not allow the door open to an unauthorized person who attempts to open the door by disassembling the outdoor unit.
  • the present invention stores the video information about the unauthorized person for using pu ⁇ ose in the later identification of a suspect, thereby assisting scientific investigation, automatically informs the managers of an emergent situation in communication with a burglar alarm device and provides initial repression of a criminal.

Abstract

A door access control method and device is provided for identifying a passer with a fingerprint that remains unchanged through life and makes each person different or recognizable and allowing the door to be opened only by an authorized person. The present invention has at least one outdoor unit provided in the exterior side of each door and at least one indoor unit integrally associated with the outdoor unit and provided in the interior side of the door and/or in an access control site, the outdoor unit preliminarily storing the IDs and the fingerprints of a master, a sub master and authorized persons, comparing the ID and the fingerprint of a passer with the stored IDs and fingerprints in order to determine whether the passer is the master, the sub master or an authorized person, and sending the opening signal to the indoor unit when the passer is verified as an authorized person, then the indoor unit opening the door as requested by the outdoor unit, as a result of which the indoor unit does not allow the door open to an unauthorized person who attempts to open the door by disassembling the outdoor unit. Furthermore, the present invention stores the video information about the unauthorized person for using purpose in the later identification of a suspect, thereby assisting scientific investigation, automatically informs the managers of an emergent situation in communication with a burglar alarm device and provides initial repression of a criminal, for example, by spouting a gas.

Description

DOOR ACCESS CONTROL METHOD AND DEVICE USING
FINGERPRINT
Technical Field The present invention relates to a door access control method and device using fingerprints, in which a passer's password and fingerprint are recognized in opening the door automatically.
Background Art The present invention relates to a door access control method and device using fingerprint, in which a passer's password and fingeφrint are recognized in opening the door automatically.
Everyone has a different fingerprint on the bottom of the end of a finger. The fingerprint remains unchanged through life and makes each person different or recognizable.
There are various door access control devices known to have the door open only to authorized persons based on their fingeφrints.
Such door access control devices are usually provided on the outdoor side to recognize the fingeφrint of a passer and automatically open the door only to an authorized person.
However, the related art door access control devices, provided on the outdoor side to control the opening of the door with a fingerprint recognizer located on the outdoor side, have a problem in that an authorized person can open the door by disassembling the outdoor access control device and manipulating it.
Disclosure of Invention
Accordingly, it is an object of the present invention to provide a door access control method and device using a fingeφrint in which an outdoor unit provided on the outdoor side recognizes a passer's fingeφrint or password and sends a door opening signal to an indoor unit provided on the indoor side when the recognized fingeφrint or password is an authorized person's lest that an unauthorized person should be allowed to open the door by disassembling the outdoor unit and manipulating the disassembled outdoor unit.
It is another object of the present invention to provide a door access control method and device using a fingeφrint in which a single indoor unit connected to a plurality of outdoor units controls opening of a plurality of doors based on the signals received from the plural outdoor units.
It is further another object of the present invention to provide a door access control method and device using a fingeφrint in which a plurality of indoor units connected to a single outdoor unit control opening of a single door based on the signal received from the outdoor unit. It is still another object of the present invention to provide a door access control method and device using a fingeφrint in which a plurality of indoor units are connected to a plurality of outdoor units and one of the plural indoor units controls opening of a plurality of doors based on the signals received from the plural outdoor units.
It is still further another object of the present invention to provide a door access control method and device using a fingeφrint, which stores the video of a passer and accurately identifies the passer based on the stored video when the passer attempts to open the door in an unauthorized way.
It is still further another object of the present invention to provide a door access control method and device using a fingeφrint, which is in communication with a commercially available burglar alarm device to prevent the access of an unauthorized person, generate an alarm and informing a master/sub master that there is an invading unauthorized person. To achieve the above object, there is provided a door access control method and device that has at least one outdoor unit provided in the exterior side of each door and at least one indoor unit integrally associated with the outdoor unit and provided in the interior side of the door and/or in an access control site, the outdoor unit preliminarily storing the ID numbers and the fingeφrints of a master, a sub master and other authorized persons, comparing the ID number and the fingeφrint of a passer with the stored ID number and fingeφrints in order to determine whether the passer is the master, the sub master or an authorized person, and sending the opening signal to the indoor unit when the passer is verified as an authorized person, then the indoor unit opening the door as requested by the outdoor unit, as a result of which the indoor unit will not allow the door open to an unauthorized person who attempts to open the door by disassembling the outdoor unit.
The door access control method and device of the present invention also stores the video information about the unauthorized person for using puφose in the later identification of a suspect, thereby assisting scientific investigation.
Furthermore, the door access control method and device automatically informs the managers of an emergent situation in communication with a burglar alarm device and provides initial repression of a criminal, for example, by spouting a gas.
Brief Description of Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incoφorated in and constitute a part of this specification, illustrate embodiments of the invention and together will the description serve to explain the principles of the invention: In the drawings:
Fig. 1 is a block diagram illustrating an embodiment of a door access control device in accordance with the present invention; Fig. 2 is a block diagram illustrating another embodiment of the door access control device in accordance with the present invention;
Fig. 3 is a block diagram illustrating still another embodiment of the door access control device in accordance with the present invention; Fig. 4 is a block diagram illustrating still further another embodiment of the door access control device in accordance with the present invention;
Figs. 5 to 16 are signal flowcharts showing the operation of an outdoor unit in a door access control method of the present invention, wherein
Fig. 5 is a signal flowchart showing a main routine of the outdoor unit, Fig. 6 is a signal flowchart showing the master registration routine shown in Fig. 5,
Fig. 7 is a signal flowchart showing the data processing routine of the outdoor unit shown in Fig. 5,
Fig. 8 is a signal flowchart showing the key signal processing routine of the outdoor unit shown in Fig. 5, Fig. 9 is a signal flowchart showing the sub master registration routine shown in
Fig. 8.
Fig. 10 is a signal flowchart showing the master transfer routine of the master shown in Fig. 8,
Fig. 11 is a signal flowchart showing the password change routine shown in Fig. 8, Fig. 12 is a signal flowchart showing the normal passer registration routine shown in Fig. 8,
Fig. 13 is a signal flowchart showing the normal passer deletion routine shown in Fig. 8.
Fig. 14 is a signal flowchart showing the door opening routine 1 shown in Fig. 8, Fig. 15 is a signal flowchart showing the door opening routine 2 shown in Fig. 8, and
Fig. 16 is a signal flowchart showing the conversation routine of the outdoor unit shown in Fig. 8; and
Figs. 17 to 19 are signal flowcharts showing the operation of an indoor unit in the door access control method of the present invention, wherein
Fig. 17 is a signal flowchart showing a main routine of the indoor unit, Fig. 18 is a signal flowchart showing the key signal processing routine of the indoor unit shown in Fig. 17, and
Fig. 19 is a signal flowchart showing the data processing routine of the indoor unit shown in Fig. 17.
Best Mode for Carrying out the Invention
Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.
Fig. 1 is a block diagram illustrating the structure of a door access control device using fingeφrints in accordance with the present invention. As illustrated in the figure, the door access control device of the present invention includes an outdoor unit 100 provided in the exterior side of the door for storing the fingeφrints and the identification (ID) numbers of the individual authorized persons, sending a door opening signal when a passer inputs the same password or fingeφrint as the previously stored password or fingeφrint, and simultaneously, photographing a video of the passer and providing communication with the passer via an inteφhone; and an indoor unit 200 provided in the interior side of the door for opening the door as requested by the outdoor unit, providing communication with the passer via the video inteφhone, and storing and outputting video information about the passer or generating an alarm upon detection of an unauthorized passer. The outdoor unit 100 includes an outdoor microprocessor 102 for controlling the outdoor unit 100 to store the passwords and the fingeφrints of the individual authorized persons, send the opening signal to the indoor unit 200 when the passer is verified as an authorized person from his fingeφrint, photographing the passer and activating an inteφhone function to bring the outdoor unit 100 in communication with the indoor unit 200 via a video inteφhone; a video camera 104 operated under the control of the outdoor microprocessor 102 to photograph the passer; an outdoor ID determiner 106 for determining the ID number of the outdoor unit 100 and sending the determined ID number to the outdoor microprocessor 102; a fingeφrint detector 108 for detecting the input fingeφrint and sending the detection results to the outdoor microprocessor 102; a key input 110 for sending a key signal input by the passer to the outdoor microprocessor 102; a memory 112 for storing and outputting the passer's fingeφrint and password and the ID number of the outdoor unit 100 under the control of the outdoor microprocessor 102; a microphone 114 for receiving a voice signal of the passer; a voice synthesizer 116 for synthesizing and outputting a predefined information voice signal under the control of the outdoor microprocessor 102; and an amplifier 118 operated under the control of the outdoor microprocessor 102 for amplifying the voice signals from the microphone 114, the voice synthesizer 116 and the indoor unit 200 and sending the amplified voice signals to a speaker 120.
The indoor unit 200 includes an indoor microprocessor 202 for controlling the indoor unit 200 to open the door as requested by the outdoor microprocessor 102 of the outdoor 100, generate an alarm upon detection of an unauthorized passer, display a video signal received from the video camera 104, activate a video inteφhone function for communication with the outdoor unit 100, and generate a burglar alarm in the presence of an unauthorized passer; a video compression storage/reproducer 204 for compressing the video signal received from the video camera 104 and storing and outputting the compressed video signal under the control of the indoor microprocessor 202; a switch 206 for selectively outputting the video signals from the video camera 104 and the video compression storage/reproducer 204 under the control of the indoor microprocessor 202; a video display 208 operated under the control of the indoor microprocessor 202 to display the video signals selectively output by the switch 206; a burglar alarm device 210 operated under the control of the indoor microprocessor 202 to generate an alarm sound, activate an alarm lamp, spout a gas and inform an exterior part that an unauthorized person has attempted to open the door; an indoor ID determiner 212 composed of a dip switch for determining an ID number of the indoor unit 200 and sending the determined ID number to the indoor microprocessor 202; an alarm part 214 for generating an alarm sound under the control of the indoor microprocessor 202; a burglar sensor 216 for detecting an unauthorized passer and sending the detection signal to the indoor microprocessor 202; a door lock part 218 for opening the door under the control of the indoor microprocessor 202; a door lock sensor 220 for detecting the door lock status of the door lock part 218 and sending the detected door lock status to the indoor microprocessor 202; a key input 222 for sending an operational instruction input by an indoor resident to the indoor microprocessor 202; a microphone 224 for receiving the voice signal of the indoor resident; and an amplifier 226 operated under the control of the indoor microprocessor 202 for amplifying the output voice signals from the microphone 224 and the outdoor unit 100 and sending the amplified voice signals to a speaker 228.
The door access control device of the present invention with such a construction causes a master to input his password and fingeφrint through the key input 1 10 and the fingeφrint detector 108 of the outdoor unit 100, and the outdoor microprocessor 102 to store the master's password and fingeφrint in the memory 112 and register the master.
The outdoor microprocessor 102 also registers a sub master who will take the place of the master in charge of the door access control in the master's absence, and other authorized persons.
To register a sub master, the master first operates the key input to inform about the registration of the sub master and input his fingeφrint and then the sub master's password and fingeφrint. The outdoor microprocessor 102 stores the sub master's password and fingeφrint in the memory 112 and terminates registration of the sub master. To register a normal passer, the master/sub master first operates the key input 110 to inform about the registration of the normal passer and inputs his fingeφrint and then the normal passer's ID number and fingeφrint. The outdoor microprocessor 102 stores the normal passer's ID number and fingeφrint in the memory 112 and terminates registration of the normal passer.
With the master, the sub master and the normal passer registered, upon detection of the master/sub master's password input via the key input 110 or a normal passer's fingeφrint via the fingeφrint detector 108, the outdoor microprocessor 102 compares the password and the fingeφrint with those stored in the memory 112 to determine whether the passer is an authorized person, and sends a door opening signal to the indoor unit 200 when the passer is verified as an authorized person.
On receiving the door opening signal from the outdoor microprocessor 102, the indoor microprocessor 202 of the indoor unit 200 controls the door lock part 218 to open the door and sends to the outdoor unit 100 a signal indicating that the door is open. Upon registering the master, the sub master or the normal passer, or receiving from the indoor unit 200 the signal indicating that the door is open, the voice synthesizer 116 of the outdoor unit 100 outputs a defined information voice signal, which is amplified at the amplifier 118 and sent to the speaker 120, under the control of the outdoor microprocessor 102. If a passer selects a call key of the key input 110, the outdoor microprocessor 102 informs the indoor unit 200 that there is a passer, and operates the video camera 104 to generate a video signal of the passer and send the generated video signal to the indoor unit 200. Then, the indoor microprocessor 202 of the indoor unit 200 activates the alarm part 214 to generate an alarm indicating the presence of a passer and operates the video display 208 to display the video signal of the passer received from the video camera 104 so that an indoor resident can verify the passer. After an elapse of a predetermined period of time, the indoor microprocessor 202 controls the video compression storage/reproducer 204 to store the video information of the passer generated at the video camera 104.
The video compression storage/reproducer 204 is a commercially available device that compresses the video of the passer photographed by the video camera 104 and stores and outputs the compressed video in a first in first out manner by about eight or twenty cuts according to the full color or monochromic film under the control of the indoor microprocessor 202.
As such, when the indoor resident selects a call key on the key input 222, the indoor microprocessor 202 operates the amplifier 226 and simultaneously calls the outdoor unit 100 to have the outdoor microprocessor 102 operate the amplifier 118 and be in inteφhone-mediated communication.
That is, the voice signal of the indoor resident is output to the speaker 120 sequentially via the microphone 224 and the amplifiers 226 and 118, the voice signal of the passer being output to the speaker 228 via the microphone and the amplifiers 118 and
226 in sequence, so that the indoor resident can have a conversation with the passer via the inteφhone.
If the indoor resident manipulates the key input 22 to raise a burglar alarm, the indoor microprocessor 202 determines from the output signal of the burglar sensor 216 whether there is an invading unauthorized passer. Upon detection of such an unauthorized passer, the indoor microprocessor 202 activates both the alarm part 214 and the burglar alarm device 210.
The burglar alarm device 210 is a commercially available device that, in a case where the indoor microprocessor 202 detects an invading unauthorized passer, operates a red flashing lamp, calls the master and/or the sub master to the telephone to inform the presence of the unauthorized invader, and spouts out a gas to the invader. The door access control device of the present invention may have a plurality of outdoor units 100 and a plurality of indoor units 200.
For examples, the indoor unit 200 may be connected to the outdoor unit 100 on a one-to-one basis to control one door at the same site as illustrated in Fig. 1 ; or a single indoor unit 200 may be connected to a plurality of outdoor units 100 to control a plurality of doors based on the signal of the plural outdoor units 100, as illustrated in Fig. 2; or a plurality of indoor units 200 may be connected to a single outdoor unit 100 to control one door based on the signal of the outdoor unit 100, as illustrated in Fig. 3; or a plurality of indoor units 200 may be connected to a plurality of outdoor units 100, as illustrated in Fig. 4, such that selected one of the plural indoor units 200 controls a plurality of doors based on the signal of the plural outdoor units 100.
A description will now be given to a door access control method of the present invention adapted to the above-structured door access control device with reference to Figs. 5 to 19.
Fig. 5 is a signal flowchart showing a main routine of the outdoor unit 100. As shown in the figure, the outdoor microprocessor 102 performs an initialization in step SI 01 and determines in step SI 02 whether a master is registered. If the master is not registered, the outdoor microprocessor 102 performs a master registration routine that will be described later, to register the master, in step SI 03.
With the master registered, the outdoor microprocessor 102 determines in step SI 04 whether defined data are received from the indoor unit 200, and upon receipt of such data, performs a data processing routine of the outdoor unit that will be described later, to perform a defined operation based on the received data in step SI 05.
If there is no data received from the indoor unit 200, the outdoor microprocessor
102 determines in step SI 06 whether a defined key signal is received from the key input
222, and upon receipt of the key signal, performs the data processing routine of the outdoor unit that will be described later, to perform a defined operation based on the received key signal, in step SI 07.
The master registration routine of step SI 03 is designating a master who will manage the door access control device. In the master registration routine as shown in Fig. 6, the outdoor microprocessor 102 determines in step Si l l whether a key signal is received from the key input 110, and upon receipt of such a key signal, determines in step SI 12 whether the received key signal indicates predefined key selection for master registration, i.e., "#" and "0" in sequence. If the key signal indicates the predefined master registration key input, the outdoor microprocessor 102 controls both the amplifier 118 and the voice synthesizer 116 in step SI 13, i.e., a voice signal notifying the master to input his fingeφrint, such as "Input your fingeφrint, please" is generated and output to the speaker 120 via the amplifier 118.
The master inputs his fingeφrint via the fingeφrint recognizer 108 according to the information notifying input of the master's fingeφrint. The outdoor microprocessor
102 receives the master's fingeφrint in step SI 14 and controls the voice synthesizer 116 in step SI 16, i.e., a voice signal notifying the master to input his password, such as "Enter your password, please" is generated and output to the speaker 120 via the amplifier 118.
The password of the master is designated with, for example, five to fifteen numeric keys.
At this stage, the master inputs his password to the outdoor microprocessor 102 with five to fifteen numeric keys on the key input 110 in step SI 16, and selects the end key, i.e., "*" in step SI 17. On determining that the input of the master's password has been completed, the outdoor microprocessor 102 stores the master's fingeφrint and password in the memory 112 in step SI 18, and generates a voice signal, i.e., "The master has been registered" to the speaker 120 in step SI 19, then returning to the main routine.
The data processing routine of the outdoor unit of step S 105 is receiving defined data from the indoor unit 200 and performing an operation based on the received data. Referring to Fig. 7, upon receiving the defined data from the input unit 200, the outdoor microprocessor 102 stores the received data in step S121. verifies the ID number from the stored data in step SI 22 and determines in step SI 23 whether the ID number is in accord with its ID number. The data the outdoor unit 100 transfers to the indoor unit 200 has a format of, for example, "read in signal + ID number of the outdoor unit 100 set at the outdoor ID determiner + ID number of the indoor unit 200 set at the indoor ID determiner + instruction (door opening signal) + read out signal". If the input ID number is not in accord with the ID number of the outdoor microprocessor 102 in step SI 23, the outdoor microprocessor 102 checks on the instruction from the stored data in step SI 24. With the instruction verified as a call instruction in step SI 25, the outdoor microprocessor 102 maintains a standby mode in step S126; and with the instruction verified as a call canceling instruction in step S127, the outdoor microprocessor 102 cancels the standby mode and enters a normal mode.
The reason that the outdoor microprocessor 102 maintains the standby mode still in the case where the input ID number is not in accord with its ID number and the instruction is a call instruction is to prevent possible confounding that may occur when the outdoor microprocessor 102 operates while another outdoor unit 100 communicates a video and an inteφhone-mediated conversion with the indoor unit 200.
If the input ID number is in accord with the ID number of the outdoor microprocessor 102 in step SI 23, the outdoor microprocessor 102 verifies the instruction from the stored data in step SI 29. With the instruction verified as a call instruction in step
SI 30, the outdoor microprocessor 102 activates the video camera 104 as well as the inteφhone in step S 131.
That is, the outdoor microprocessor 102 operates the video camera 104 to photograph the passer and transmit the video of the passer to the indoor unit 200. The outdoor microprocessor 102 also operates the amplifier 118 not only to amplify the voice signal of the passer input through the microphone 1 14 and transmit the amplified voice signal to the indoor unit 200, but also to amplify the voice signal of the indoor resident transferred from the indoor unit 200 and output the amplified voice signal to the speaker 120 so that the passer can listen to the voice signal of the indoor resident. With the instruction verified as the call canceling instruction in step SI 32, the outdoor microprocessor 102 suspends the video camera 104 and the inteφhone in step 133; and with the instruction verified as a door opening indication in step SI 34, the outdoor microprocessor 102 controls the voice synthesizer 116 and the amplifier 118 in step SI 35 to generate an information voice signal, i.e., "Door is open, and pass the door, please."
The key signal processing routine of step SI 07 is performing a defined operation based on the key signal received from the key input 110. Referring to Fig. 8, upon receiving the key signal from the key input 110, the outdoor microprocessor 102 determines in steps S141 to SI 48 whether the input key signal is a sub master registration key, a master transfer key, a password change key, a normal passer registration key, a normal passer deletion key, a door opening key 1, a door opening key 2 or a call key.
With the sub master registration key input, the outdoor microprocessor 102 performs in step SI 49 a sub master registration routine that will be described later, to register the sub master; with the master transfer key input, the outdoor microprocessor 102 performs in step SI 50 a master transfer routine that will be described later, to register transfer of the master or the sub master; with the password change key, the outdoor microprocessor 102 performs in step SI 51 a password change routine that will be described later, to alter the password of the master or the sub master; and with the normal passer registration key input, the outdoor microprocessor 102 performs in step SI 52 a normal passer registration routine that will be described later, to register a normal authorized passer.
With the normal passer deletion key input, the outdoor microprocessor 102 performs in step SI 53 a normal passer deletion routine that will be described later, to delete the registration of a corresponding normal passer or all the normal passers; with the door opening key 1 or the door opening key 2 input, the outdoor microprocessor 102 performs in step SI 54 or SI 55 a door opening routine 1 or a door opening routine 2 that will be described layer, to open the door; and with numeric keys and a call key sequentially input according to the ID number of a target indoor unit 200, the outdoor microprocessor 102 performs in step 156 an indoor conversation routine that will be described later, to enable conversation with the indoor resident. The sub master registration routine of step SI 49 is designating a sub master who will take in charge of the master's duty in the absence of the master, and activated in the event that sub master registration keys, e.g., "#" and "*" are sequentially selected.
In the sub master registration routine, as shown in Fig. 9, the outdoor microprocessor 102 provides information notifying to input the master's fingeφrint in step SI 61. With the master's fingeφrint input in step SI 62, the outdoor microprocessor
102 determines in step SI 63 whether the input fingeφrint is in accord with the registered master's fingeφrint.
If the input fingeφrint is not in accord with the registered master's fingeφrint in step SI 63, the outdoor microprocessor 102 determines in step SI 64 whether such discordance occurs for predetermined times, e.g., three times. If less than three times, the outdoor microprocessor 102 notifies to input the master's fingeφrint again in step S165, and returns to step SI 62.
With the input fingeφrint not in accord with the registered master's fingeφrint for the predetermined times in step S 164, the outdoor microprocessor 102 terminates the sub master registration routine.
If the input fingeφrint is in accord with the registered master's fingeφrint in step SI 63, the outdoor microprocessor 102 provides information notifying to enter the sub master's password, in step SI 66. When the sub master's password is entered in step SI 67 and the end key "*" is selected in step SI 68, the outdoor microprocessor 102 notifies the passer to input the sub master's fingeφrint in step SI 69 and receives the sub master's fingeφrint via the fingeφrint recognizer 108 in step SI 70.
The outdoor microprocessor 102 stores the sub master's password and fingeφrint in the memory 112 to register the sub master in step SI 71, and provides sub master registration ending information, e.g., "The sub master has been registered" in step SI 72, then terminating the sub master registration routine.
The master transfer routine of step SI 50 is registering another master/sub master in the absence of the master/sub master due to long-term absence, disease or retirement, and activated in the event that master transfer keys, e.g., "#" and "1" are sequentially selected.
In the master transfer routine, as shown in Fig. 10, the outdoor microprocessor 102 provides information notifying to input the fingeφrint of the master/sub master who will transfer his duty to another, in step 181. When the transfer's fingeφrint is input in step
SI 82, the outdoor microprocessor 102 determines in step SI 83 whether the transfer's fingeφrint is in accord with the fingeφrint of the registered master/sub master.
If the input fingeφrint is not in accord with the fingeφrint of the registered master/sub master in step SI 83, the outdoor microprocessor 102 determines in step SI 84 whether such discordance occurs for predetermined times, e.g., three times. If less than three times, the outdoor microprocessor 102 notifies to input the transfer's fingeφrint again in step SI 85, and returns to step SI 82.
When the input fingeφrint is not in accord with the fingeφrint of the registered master/sub master for the predetermined times in step SI 84, the outdoor microprocessor 102 terminates the master transfer routine.
If the input fingeφrint is in accord with the fingerprint of the registered master/sub master in step SI 83, the outdoor microprocessor 102 provides transfer's password input information notifying to enter the transfer's password, in step SI 86. When the transfer's password is entered in step SI 87 and the end key is selected in step SI 88, the outdoor microprocessor 102 determines in step SI 89 whether the input password is in accord with the previously stored password.
That is, if the fingeφrint input in step SI 82 is the master's, the outdoor microprocessor 102 determines in step S 187 whether the input password is in accord with the registered master's password; or if the fingeφrint input in step SI 82 is the sub master's, the outdoor microprocessor determines in step 187 whether the input password is in accord with the registered sub master's password. If the input password is not in accord with the password of the registered master/sub master in step SI 89, the outdoor microprocessor 102 determines in step SI 90 whether such discordance occurs for predetermined times. If less than the predetermined times, the outdoor microprocessor 102 notifies to enter the transfer's password again in step SI 91, and returns to step SI 87. When the input password is not in accord with the fingeφrint of the registered master/sub master for the predetermined times in step SI 90, the outdoor microprocessor 102 terminates the master transfer routine.
If the input password is in accord with the fingeφrint of the registered master/sub master in step SI 89, the outdoor microprocessor 102 provides transferee's password input information notifying to enter the password of the transferee, in step SI 92. When the transferee's password is entered in step SI 93 and the end key is selected in step SI 94, the outdoor microprocessor 102 provides transferee's fingeφrint input information notifying to input the fingeφrint of the transferee, in step SI 95. If the transferee's fingeφrint is input in step SI 96, the outdoor microprocessor 102 stores the transferee's password and fingeφrint in the memory 112 in step SI 97 to designate the transferee as the succeeding master/sub master, and provides registration ending information in step SI 98.
That is, if the transfer's fingeφrint and password input in steps SI 82 and SI 87 are the master's, the outdoor microprocessor 102 resets the transferee's fingeφrint and password input in steps SI 93 and SI 96 as the succeeding master's; or if the transfer's fingeφrint and password are the sub master's, the outdoor microprocessor 102 resets the transferee's fingeφrint and password as the succeeding sub master's.
The password change routine of step S151 is changing the password of the master/sub master, and activated in the event that password change keys, e.g., "#" and "2" are sequentially selected.
In the password change routine, as shown in Fig. 11, the outdoor microprocessor 102 provides master/sub master's fingeφrint input information notifying to input the fingeφrint of the master/sub master who will change his password, in step 201. When the master/sub master's fingeφrint is input in step S202, the outdoor microprocessor 102 determines in step S203 whether the master/sub master's fingeφrint is in accord with the fingeφrint of the registered master/sub master.
If the input fingeφrint is not in accord with the fingeφrint of the registered master/sub master in step S203, the outdoor microprocessor 102 determines in step S204 whether such discordance occurs for predetermined times, e.g., three times. If less than three times, the outdoor microprocessor 102 notifies to input the master/sub master's fingeφrint again in step S205, and returns to step S202.
When the input fingeφrint is not in accord with the fingeφrint of the registered master/sub master for the predetermined times in step S204, the outdoor microprocessor 102 terminates the password change routine.
If the input fingeφrint is in accord with the fingeφrint of the registered master/sub master in step S203, the outdoor microprocessor 102 provides master/sub master's password input information notifying to enter the password of the master/sub master, in step S206. When the master/sub master's password is entered in step S207 and the end key is selected in step S208, the outdoor microprocessor 102 determines in step S209 whether the input password is in accord with the previously stored password.
That is, if the fingeφrint input in step S202 is the master's, the outdoor microprocessor 102 determines in step S209 whether the input password is in accord with the registered master's password; or if the fingeφrint input in step S202 is the sub master's, the outdoor microprocessor determines in step 209 whether the input password is in accord with the registered sub master's password. If the input password is not in accord with the password of the registered master/sub master in step S209, the outdoor microprocessor 102 determines in step S210 whether such discordance occurs for predetermined times. If less than the predetermined times, the outdoor microprocessor 102 notifies to enter the master/sub master's password again in step S211 , and returns to step S207.
When the input password is not in accord with the fingeφrint of the registered master/sub master for the predetermined times in step S209, the outdoor microprocessor 102 terminates the password change routine.
If the input password is in accord with the fingeφrint of the registered master/sub master in step S209, the outdoor microprocessor 102 provides new password input information notifying to enter a new password, in step S212. When the new password is entered in step S213 and the end key is selected in step S214, the outdoor microprocessor 102 stores the new password in the memory 112 in step S215 and provides new password registration ending information in step S216, then terminating the password change routine.
The normal passer registration routine of step SI 52 is designating a normal authorized passer other than the master and the sub master, and activated in the event that normal passer registration keys, e.g., "#" and "3" are sequentially selected.
In the normal passer registration routine, as shown in Fig. 12, the outdoor microprocessor 102 provides master/sub master's fingeφrint input information notifying to input the fingeφrint of the master/sub master in step S221. When the master/sub master's fingeφrint is input in step S222, the outdoor microprocessor 102 determines in step S223 whether the input fingeφrint is in accord with the registered master/sub master's fingeφrint. If the input fingeφrint is not in accord with the registered master/sub master's fingeφrint in step S223, the outdoor microprocessor 102 determines in step S224 whether such discordance occurs for predetermined times, e.g., three times. If less than three times, the outdoor microprocessor 102 notifies to input the master/sub master's fingeφrint again in step S225, and returns to step S222.
When the input fingeφrint is not in accord with the registered master/sub master's fingeφrint for the predetermined times in step S224, the outdoor microprocessor 102 terminates the normal passer registration routine.
If the input fingeφrint is in accord with the registered master/sub master's fingeφrint in step S223, the outdoor microprocessor 102 provides normal passer's ID number input information notifying to enter the ID number of a normal passer to be registered, in step S226. The normal passer's password is entered in step S227 and the outdoor microprocessor 102 determines in step S228 whether the end key is selected from the key input 110.
Here, the ID number of the normal passer is a serial combination of the ID number of the corresponding indoor unit and the personal number assigned to the passer.
With the end key selected in step S228, the outdoor microprocessor 102 notifies to input the normal passer's fingeφrint in step 229 and receives the fingeφrint via the fingeφrint recognizer 108 in step S230. Thereafter, the outdoor microprocessor 102 stores the ID number and the fingeφrint of the normal passer in the memory 112 to register the normal passer in step S231 , and provides normal passer registration ending information in step S232, then terminating the normal passer registration routine. The normal passer deletion routine of step SI 53 is canceling the registration of a normal authorized passer and restraining the entrance of the passer, and activated in the event that normal passer deletion keys, e.g., "#" and "4" are sequentially selected.
In the normal passer deletion routine, as shown in Fig. 13, the outdoor microprocessor 102 provides master/sub master's fingeφrint input information notifying to input the fingeφrint of the master/sub master in step S241. When the master/sub master's fingeφrint is input in step S242, the outdoor microprocessor 102 determines in step S243 whether the input fingeφrint is in accord with the registered master/sub master's fingeφrint.
If the input fingeφrint is not in accord with the registered master/sub master's fingeφrint in step S243, the outdoor microprocessor 102 determines in step S244 whether such discordance occurs for predetermined times. If less than for the predetermined times, the outdoor microprocessor 102 notifies to input the master/sub master's fingeφrint again in step S245, and returns to step S242.
When the input fingeφrint is not in accord with the registered master/sub master's fingeφrint for the predetermined times in step S244, the outdoor microprocessor 102 returns to the main routine. If the input fingeφrint is in accord with the registered master/sub master's fingeφrint in step S243, the outdoor microprocessor 102 provides normal passer's ID number input information notifying to enter the ID number of a normal passer to be deleted, in step S246. The normal passer's password is entered in step S247 and the outdoor microprocessor 102 determines in step S248 whether the end key is selected from the key input 1 10.
For example, with the ID number '0000' indicating that all normal passers should be deleted, the outdoor microprocessor 102 deletes the ID numbers and fingeφrints of all registered normal passers from the memory 112 in step S252 and provides information that all normal passer have been deleted, in step S253. If judging that all normal passers should not be deleted, in step S250, the outdoor microprocessor 102 deletes the ID numbers of the corresponding normal passers in sep S252 and provides information that the corresponding normal passers have been deleted, in step S253.
The door opening routine 1 of step SI 54 is a normal passer's opening the door with his ID number and fingeφrint or a master/sub master's opening the door with his own password, and activated in the event that "ID number or password" and "*" keys are sequentially selected. In the door opening routine 1, as shown in Fig. 14, the outdoor microprocessor 102 determines in step S261 whether the input number is in accord with the ID number registered in the memory 112. If the number is in accord with the ID number in the memory 112, the outdoor microprocessor 102 provides information notifying the passer to input his fingeφrint in step S262. With the fingeφrint input via the fingeφrint recognizer in step S263, the outdoor microprocessor 102 determines in step S264 whether the fingeφrint is in accord with the stored fingeφrint corresponding to the ID number.
When the input fingeφrint is not in accord with the stored fingeφrint in step S264, the outdoor microprocessor 102 determines in step 265 whether such discordance occurs for predetermined times, and if less than the predetermined times, provides information notifying the passer to input his fingeφrint again in step S266, then returning to step S263.
If the input fingeφrint is not in accord with the stored fingeφrint of the passer for predetermines times in step S265, the outdoor microprocessor 102 provides in step S270 information indicating that there is no corresponding fingeφrint, then returning to the main routine.
If the input fingeφrint is in accord with the stored fingeφrint corresponding to the input ID number in step S264, the outdoor microprocessor 102 sends a door opening signal to the indoor unit 200 corresponding to the input ID number in step S268.
Here, the data the outdoor unit 100 transfer to the indoor unit 200 has a format given as, for example, "read in signal + ID number of the outdoor unit 100 + instruction (door opening signal) + ID number of the indoor unit 200 for the door to be opened + read out signal".
As such, the indoor unit 200 opens the corresponding door based on the door opening signal from the outdoor unit 100 and sends the outdoor unit 100 defined data indicating that the door has been opened. Then, the outdoor unit 100 performs the data processing routine of Fig. 7 to provide door open information.
When the input number is not in accord with any one of the stored ID numbers in step S261, the outdoor microprocessor 102 determines in step S269 whether the input number is in accord with the password of the registered master/sub master. If the input number is not in accord with the password of the registered master/sub master, the outdoor microprocessor 102 provides information indicating that there is neither ID number nor password corresponding to the input number, in step S270, then returning to the main routine. If the input number is in accord with the password of the master/sub master, the outdoor microprocessor 102 sends the indoor a door opening signal to the indoor unit 200 in step S288.
In this situation, when the outdoor unit 100 is connected to a single indoor unit 200, the outdoor microprocessor 102 sends the door opening signal to the single indoor unit 200; and when the outdoor unit 100 is connected to a plurality of indoor units 200, the outdoor microprocessor 102 sends the door opening signal to one of the indoor units
200 that has the highest priority, i.e., the indoor unit 200 having the earliest ID number.
The door opening routine 2 of step SI 55 is opening the door with the fingeφrint of the master/sub master or a normal passer, and activated in the event that "*" key is selected.
In the door opening routine 2, as shown in Fig. 15, the outdoor microprocessor
102 provides fingeφrint input information in step 271. As the fingeφrint is input via the fingeφrint recognizer 108 in step S272, the outdoor microprocessor 102 compares the input fingeφrint with the respective stored fingeφrints in step S273 and determines in step S274 whether the input fingeφrint is in accord with any one of the stored fingeφrints.
When there is no corresponding fingeφrint in step S274, the outdoor microprocessor 102 determines in step 275 whether such discordance occurs for predetermined times, and if less than the predetermined times, provides information notifying to input the fingeφrint again in step S276, then returning to step S272.
If the input fingeφrint is in accord with none of the stored fingeφrints for predetermines times in step S275, the outdoor microprocessor 102 provides in step S277 information indicating that there is no corresponding fingeφrint, then returning to the main routine.
If the input fingeφrint is in accord with one of the stored fingeφrints in step S274, the outdoor microprocessor 102 verifies the ID number or password corresponding to the input fingeφrint in step S278 and sends a door opening signal to the indoor unit 200 corresponding to the ID number or having the highest priority in step S279.
The conversation routine of the outdoor unit is activated then a passer selects a call key of the key input 110.
In the conversation routine, as shown in Fig. 16, the outdoor microprocessor 102 sends defined data to the indoor unit 200, informing the presence of a passer in step S281.
At this stage, when the passer inputs the corresponding ID number of the indoor unit 200 and selects the call key, the outdoor microprocessor 102 informs the indoor unit
200 of the ID number that there is a passer; or upon the passer's selection of the call key only, the outdoor microprocessor 102 informs the indoor unit 200 having the highest priority that there is a passer.
The outdoor microprocessor 102 operates the video camera 104 to photograph a video of the passer and send the video to the indoor unit 200 in step S282, and determines in step S283 whether defined data is transferred from the indoor unit 200.
Without the defined data received from the indoor unit 200 in step S283, the outdoor microprocessor 102 determines in step S284 whether a predetermined period of time has elapsed, and if not, determines in step S285 again whether the call key is selected.
If the call key is not selected in step S285, the outdoor microprocessor 102 returns to step S282, repeatedly operating the video camera 104 and determining receipt of the defined data from the indoor unit 200. If the call key is selected in step S285, the outdoor microprocessor 102 clears the counted time in step S286 and returns to step S281, repeatedly informing the indoor unit 200 that there is a passer, operating the video camera 104 and determining receipt of the defined data from the indoor unit 200. In such a situation, when the defined data is not received from the indoor unit 200 until an elapse of the predetermined time, the outdoor microprocessor 102 suspends the video camera 104 in step S287 and returns to the main routine.
With the defined data received from the indoor unit 200 prior to the elapse of the predetermined time, the outdoor microprocessor 102 performs the data processing routine of the outdoor unit of Fig. 7, allowing the passer to have a conversation with the indoor resident via the inteφhone.
Fig. 17 is a signal flowchart showing a main routine of the indoor unit 200. As shown in the figure, the indoor microprocessor 202 performs an initialization in step S291, determines in step S292 whether a defined key signal is received from the key input 222, and if so, performs a key signal processing routine of the indoor unit in step S293.
In the key signal processing routine of the indoor unit, as shown in Fig. 18, the indoor microprocessor 202 determines in steps S301 to 304 whether the input key signal is a call key, a door opening key, a video display key or a burglar alarm key. If the key signal corresponds to the call key, the indoor microprocessor 202 determines in step S305 whether the inteφhone is presently in the normal mode.
If the inteφhone is not in operation in step S305, the indoor microprocessor 202 sends the corresponding ID number and calling canceling instruction in step S308, and suspends both the video display 208 and the amplifier 226 to interrupt conversation via the inteφhone in step S309.
In such a situation, when connected to a single outdoor unit 100. the indoor microprocessor 202 determines the current operation of the inteφhone upon selection of the call key; or when connected to a plurality of outdoor units 100, the indoor microprocessor 202 determines the current operation of the inteφhone upon selection of the call key as well as the ID number of the desired outdoor unit 100 for inteφhone conversation in step S301, thereby controlling the operation of the inteφhone. If the input key signal corresponds to the door opening key in step S302, the indoor microprocessor 202 opens the door in step S310 and sends the outdoor unit 100 data indicating the door is open, in step S311, thereby providing voice information notifying that the door is opened, in the data processing routine of the outdoor unit of Fig. 7.
In such a situation, when connected to a single outdoor unit 100, i.e., only one door, the indoor microprocessor 202 opens the door based on the door opening key input; or when connected to a plurality of outdoor units 100, the indoor microprocessor 202 opens the door of the outdoor unit 100 presently in communication via the inteφhone. Alternatively, upon selection of the door opening key as well as the ID number of the outdoor unit 100, the indoor microprocessor 202 opens the door corresponding to the input ID number of the outdoor unit 100 and sends data indicating that the door is open.
If the input key signal corresponds to the video display key in step S303, the indoor microprocessor 202 operates the video display 208 for a predetermined period of time in step S312, generating a video display signal. The video compression storage/reproducer 204 reproduces the compressed video signal and the operating terminal of the switch 206 is connected to a fixed contact "b" of the other side, so that the video signal output from the video compression storage/reproducer 204 is input to the video display 208 via the switch 206 and displayed so as for the indoor resident to verify the passer.
If the input key signal corresponds to the burglar alarm key in step S304, the indoor microprocessor 202 determines in step S314 whether the burglar alarm function is currently activated. With the burglar alarm function activated, the indoor microprocessor 202 cancels the burglar alarm function in step S315; whereas, with the burglar alarm function inactivated, the indoor microprocessor 202 activates the burglar alarm function in step S316 and returns to the main routine.
After the completion of the key signal processing routine of the indoor unit, the indoor microprocessor 202 determines in step S294 whether the burglar alarm function is currently activated, and if so, determines in step S295 whether an abnormal situation has occurred, i.e., whether the burglar sensor 216 detects an invading unauthorized person or the door lock sensor 220 detects the opening of the door. When such an abnormal situation occurred in step S295, the indoor microprocessor 202 controls the alarm part 214 to generate an alarm sound in step S296 and operates the alarm device 210 in step S297.
If the burglar alarm function is inactivated in step S294, the indoor microprocessor 202 controls the alarm part 214 to interrupt the alarm sound in step S298. The indoor microprocessor 202 determines in step S299 whether defined data is transferred from the outdoor unit 100, and if so, performs the data processing routine of the indoor unit in step S300.
In the data processing routine of the indoor unit, as shown in Fig. 19, the indoor microprocessor 202 stores the data received from the outdoor unit 100 in step S321, verifies the ID number and the instruction from the data in step S322 and determines in step S323 whether the ID number of the data is in accord with its ID number.
If the ID number of the data is not in accord with its ID number in step S323, the indoor microprocessor 202 determines whether the instruction of the data is a calling instruction or a call waiting instruction. When the instruction of the data is a calling instruction in step S324, the indoor microprocessor 202 enters the standby mode in step S325; or when the instruction of the data is a call waiting instruction in step S326, the indoor microprocessor 202 cancels the standby mode in step S327.
If the ID number of the data is in accord with its ID number in step S323, the indoor microprocessor 202 determines whether the instruction is data informing the presence of a passer or door opening request data.
If the instruction is data informing the presence of a passer in step S328, the indoor microprocessor 202 controls the alarm part 214 to generate an alarm sound informing the presence of the passer, in step S330, operates the video display 210 in step S331 so as for the indoor resident to verify the passer, and determines in step S332 whether a call key is received from the key input 222.
Without the call key input from the key input 222 in step S332, the indoor microprocessor 202 determines in step S333 whether a first predetermined time has elapsed in photographing a video of the passer and determines in step S334 whether a second predetermined time has elapsed in interrupting the alarm. If neither the first predetermined time nor the second predetermined time has elapsed, the indoor microprocessor 202 returns to step S330 to continuously generate the alarm sound informing that there is a passer.
In such a situation, when the first predetermined time has elapsed in step S333, the indoor microprocessor 202 outputs the stored video signal of the passer to the video compression storage/reproducer 204 in step S335, causing the video compression storage/reproducer 204 to compress and store the video of the passer photographed at the video camera 104.
If the call key is not received until an elapse of the second predetermined time in step S334, the indoor microprocessor 202 controls the alarm part 214 to interrupt the alarm sound in step S336 and suspends the video display 208 in step S337.
If the call key is received prior to the elapse of the predetermined time, the indoor microprocessor 202 controls the alarm part 214 to interrupt the alarm sound in step S338, sends the ID number of the outdoor unit 100 that informed the presence of the passer, and the calling instruction in step S339, and operates the amplifier 226 to enable conversation via the inteφhone in step S340, then returning to the main routine.
While on the other, when the instruction is door opening request data in step S329, the indoor microprocessor 202 opens the door of the outdoor unit 100 that requested opening of the door, in step S341 and sends the ID number of the corresponding outdoor unit 100 and the door opening signal to provide information that the door is open, in step S342.
Industrial Applicability
As described above, the present invention has at least one outdoor unit 100 provided in the exterior side of each door and at least one indoor unit 200 integrally associated with the outdoor unit and provided in the interior side of the door, the outdoor unit 100 preliminarily storing the fingeφrints of authorized persons sending a door opening signal to the indoor unit 200 when a passer inputs his fingeφrint verified as an authorized person's fingeφrint, then the indoor unit 200 opening the door as requested by the outdoor unit 100, as a result of which the indoor unit 200 will not allow the door open to an unauthorized person who attempts to open the door by disassembling the outdoor unit. Furthermore, the present invention stores the video information about the unauthorized person for using puφose in the later identification of a suspect, thereby assisting scientific investigation, automatically informs the managers of an emergent situation in communication with a burglar alarm device and provides initial repression of a criminal.

Claims

WHAT IS CLAIMED IS:
1. A door access control method using a fingeφrint comprising the steps of: performing a master registration routine of an outdoor unit for registering a master at the beginning the operation of a system; determining whether defined data and a key signal are received from an indoor unit after the master registration step; upon receiving the defined data from the indoor unit, performing a data processing routine of the indoor unit for controlling the operation of a video camera and an inteφhone based on the data received from the indoor unit: and upon receiving the key signal from the indoor unit, performing a key signal processing routine for selectively activating a sub master registration routine, a master transfer routine, a password change routine, a normal passer registration routine, a normal passer deletion routine, a door opening routine 1, a door opening routine 2, or a conversion routine with the indoor unit, based on the received key signal.
2. The door access control method as claimed in claim 1, wherein the master registration routine comprises the steps of: determining whether a master registration key is input; upon receiving the master registration key, providing information notifying to input the fingeφrint of a master to be registered, and inputting the fingeφrint of the master; upon receiving the fingeφrint of the master, providing information notifying to input the password of the master, and inputting the password of the master; and storing the master's fingeφrint and password.
3. The door access control method as claimed in claim 1, wherein the master transfer routine of the key signal processing routine comprises the steps of: providing information notifying to input the fingeφrint and the password of a master/sub master as a transfer, and inputting the transfer's fingeφrint and password; determining whether the transfer's fingeφrint and password are in accord with the registered master/sub master's fingeφrint and password; providing information notifying to input the fingeφrint and the password of a master/sub master as a transferee, and inputting the transferee's fingeφrint and password, when the transfer's fingeφrint and password are in accord with the registered master/sub master's fingeφrint and password; and storing the transferee's fingeφrint and password.
4. The door access control method as claimed in claim 1, wherein the door opening routine 1 of the key signal processing routine comprises the steps of: determining whether an input number is in accord with the ID number of a normal passer or the password of a master/sub master; providing information notifying to input the normal passer's fingeφrint, when the input number is in accord with the ID number of the normal passer or the password of the master/sub master; determining whether the input fingeφrint is in accord with the fingeφrint of the corresponding normal passer of the ID number; sending a first door opening signal to the indoor unit and providing information notifying that the door is open, when the input fingeφrint is in accord with the fingeφrint of the corresponding normal passer of the ID number; and sending a second door opening signal to the indoor unit and providing information notifying that the door is open, when the input password is in accord with the registered password.
5. The door access control method as claimed in claim 1, wherein the door opening routine 2 of the key signal processing routine comprises the steps of: providing information notifying to input a fingeφrint, and inputting the fingeφrint; comparing the input fingeφrint with a stored fingeφrint; and sending a door opening signal to the indoor unit and providing information notifying that the door is open, when the input fingeφrint is in accord with the stored fingeφrint.
6. A door access control device comprising: an outdoor unit for previously storing the password of a master/sub master and the ID number and fingeφrint of a normal authorized passer, determining whether to allow the access of a passer from his input password, fingeφrint and ID number, sending a door opening signal when the passer is verified as an authorized person, and when there is an unverified passer, notifying the presence of the passer, photographing a video of the passer and controlling the operation of an inteφhone based on received inteφhone activating data; and an indoor unit for opening the door according to the door opening signal received from the outdoor unit, and upon receiving information from the outdoor unit notifying that there is an unverified passer, displaying the video of the passer photographed by the outdoor unit, operating the inteφhone and sending an inteφhone activating data to the outdoor unit so as to have a conversation with the outdoor unit via the inteφhone.
7. The door access control device as claimed in claim 6, wherein at least one outdoor unit is connected to at least one indoor unit.
8. The door access control device as claimed in claim 8. wherein the outdoor unit comprises: an outdoor microprocessor for controlling storage of a password and the fingeφrint of an authorized person, sending a door opening signal to the indoor unit when an input fingeφrint is verified as the authorized person's, and photographing a video of the passer and operating an inteφhone to have a conversation via the inteφhone when there is an unverified passer; a video camera operated under the control of the outdoor microprocessor for photographing a video of the passer; an outdoor ID determiner for determining the ID number of the outdoor unit and inputting the determined ID number to the outdoor microprocessor; a fingeφrint recognizer for recognizing the fingeφrint of the passer and inputting the recognized fingeφrint; a key input for sending a key signal input by the passer to the outdoor microprocessor; a memory for storing the fingeφrint of the authorized person and the ID number and password of the passer under the control of the outdoor microprocessor; a microphone for inputting the voice signal of the passer; a voice synthesizer for synthesizing a video signal under the control of the outdoor microprocessor; and an amplifier operated under the control of the outdoor microprocessor for amplifying the voice signal output from the microphone, the voice synthesizer and the indoor unit and sending the amplified voice signal to a speaker.
9. The door access control device as claimed in claim 6 or 7, wherein the indoor unit comprises: an indoor microprocessor for controlling the opening of the door based on the door opening signal output from the outdoor microprocessor, and in the presence of a passer, generating an alarm,, displaying the video signal of the passer photographed at the outdoor unit as well as activating the inteφhone function to enable a conversation between the passer and the indoor resident via the inteφhone, and generating a burglar alarm in the presence of an invading unauthorized passer; a video display operated under the control of the indoor microprocessor for displaying the video of the passer photographed by the outdoor unit; an alarm part for generating an alarm sound under the control of the indoor microprocessor; a burglar sensor for detecting an invading unauthorized passer and sending the detection result to the indoor microprocessor; a door lock part for opening the door under the control of the indoor microprocessor; a door lock sensor for detecting the door lock status of the door and sending the detection result to the indoor microprocessor; a key input for inputting an operational instruction according to the choice of the indoor resident into the indoor microprocessor; a microphone for inputting the voice signal of the indoor resident; and an amplifier operated under the control of the indoor microprocessor for amplifying the voice signal output from the microphone and the outdoor unit and sending the amplified voice signal to a speaker.
10. The door access control device as claimed in claim 9, further comprising: a video compression storage/reproducer for compression storing and outputting the video of the passer photographed at the video camera of the outdoor unit under the control of the indoor microprocessor; and a switch for selectively sending to the video display the video of the passer photographed at the video camera and the output signal of the video compression storage/reproducer under the control of the indoor microprocessor.
11. The door access control device as claimed in claim 9, further comprising: a burglar alarm device operated under the control of the indoor microprocessor when the burglar sensor detects an abnormal situation, for generating an alarm sound, driving a red flashing lamp, spouting a gas and informing the outdoor side that there is an invading unauthorized passer.
PCT/KR2000/000312 1999-04-06 2000-04-06 Door access control method and device using fingerprint WO2000060196A1 (en)

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US11044554B2 (en) 2013-07-17 2021-06-22 Amazon Technologies, Inc. Auto-provisioning of wireless speaker devices for audio/video recording and communication devices
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CN104481264A (en) * 2014-12-04 2015-04-01 辽宁师范大学 Intelligent alarm anti-theft door-lock system
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