DE69637072D1 - Rollierendes code-sicherheitssystem - Google Patents

Rollierendes code-sicherheitssystem

Info

Publication number
DE69637072D1
DE69637072D1 DE69637072T DE69637072T DE69637072D1 DE 69637072 D1 DE69637072 D1 DE 69637072D1 DE 69637072 T DE69637072 T DE 69637072T DE 69637072 T DE69637072 T DE 69637072T DE 69637072 D1 DE69637072 D1 DE 69637072D1
Authority
DE
Germany
Prior art keywords
security system
rolling code
code security
rolling
security
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69637072T
Other languages
English (en)
Other versions
DE69637072T2 (de
Inventor
Bradford L Farris
James J Fitzgibbon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chamberlain Group Inc
Original Assignee
Chamberlain Group Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23774193&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69637072(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Chamberlain Group Inc filed Critical Chamberlain Group Inc
Publication of DE69637072D1 publication Critical patent/DE69637072D1/de
Application granted granted Critical
Publication of DE69637072T2 publication Critical patent/DE69637072T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • 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
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/03—Protecting confidentiality, e.g. by encryption
    • H04W12/033—Protecting confidentiality, e.g. by encryption of the user plane, e.g. user's traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/80—Arrangements enabling lawful interception [LI]
    • 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
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • G07C2009/00206—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the keyless data carrier being hand operated
    • G07C2009/00214—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the keyless data carrier being hand operated by one push button
    • 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
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • G07C2009/00238—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the transmittted data signal containing a code which is changed
    • G07C2009/00253—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the transmittted data signal containing a code which is changed dynamically, e.g. variable code - rolling code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/80—Wireless
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/84—Vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security
DE69637072T 1995-05-17 1996-05-16 Rollierendes code-sicherheitssystem Expired - Lifetime DE69637072T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US44688695A 1995-05-17 1995-05-17
US446886 1995-05-17
PCT/US1996/007048 WO1996037063A1 (en) 1995-05-17 1996-05-16 Rolling code security system

Publications (2)

Publication Number Publication Date
DE69637072D1 true DE69637072D1 (de) 2007-06-21
DE69637072T2 DE69637072T2 (de) 2008-01-10

Family

ID=23774193

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69637072T Expired - Lifetime DE69637072T2 (de) 1995-05-17 1996-05-16 Rollierendes code-sicherheitssystem

Country Status (7)

Country Link
US (5) US6154544A (de)
EP (1) EP0771498B1 (de)
AU (1) AU710682B2 (de)
BR (1) BR9606663A (de)
CA (1) CA2193846C (de)
DE (1) DE69637072T2 (de)
WO (1) WO1996037063A1 (de)

Families Citing this family (99)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3127095B2 (ja) * 1995-04-27 2001-01-22 株式会社東海理化電機製作所 車両用送受信装置
CA2193846C (en) 1995-05-17 2004-02-17 Bradford L. Farris Rolling code security system
US6980655B2 (en) * 2000-01-21 2005-12-27 The Chamberlain Group, Inc. Rolling code security system
US7492905B2 (en) * 1995-05-17 2009-02-17 The Chamberlain Group, Inc. Rolling code security system
EP1001664A1 (de) * 1998-11-13 2000-05-17 Balteau X-Ray S.A. Verfahren zur Kontrolle einer Quelle von ionisierenden Strahlungen und Anlage dazu
DE19902983A1 (de) * 1998-12-21 2000-07-06 Mannesmann Vdo Ag Verfahren und System zur Datenübertragung bei einer Sicherheitseinrichtung eines Kraftfahrzeuges
DK1085481T3 (da) * 1999-09-13 2012-05-14 Faac Electronics Ltd Fjernstyringssender
US6661350B1 (en) * 1999-09-24 2003-12-09 Creative Commands Corporation Miniature remote control system
US7642895B2 (en) * 1999-12-20 2010-01-05 The Chamberlain Group, Inc. Garage door operator having thumbprint identification system
ES2161197B1 (es) * 2000-05-09 2002-08-01 Domotica General S L Sistema de control remoto para gestion y control de accesos.
CN1924936A (zh) * 2000-12-10 2007-03-07 Vkr控股公司 遥控装置及其配置方法
EP1354300B1 (de) * 2000-12-19 2007-08-01 Azoteq (PTY) Limited Verfahren und vorrichtung zum datentransfer
US20020163440A1 (en) * 2001-03-01 2002-11-07 Tsui Philip Y.W. Programmable universal transmitter
US8325008B2 (en) * 2001-04-25 2012-12-04 The Chamberlain Group, Inc. Simplified method and apparatus for programming a universal transmitter
US6956495B2 (en) * 2001-05-22 2005-10-18 oneLINK System and method for remote opening of handicap access doors
FR2827694B1 (fr) * 2001-07-20 2004-01-23 Pierre Bonzom Dispositif d'identification electronique
WO2003012671A1 (en) * 2001-07-31 2003-02-13 Mobile-Mind, Inc. Communications network with smart card
US20030031493A1 (en) * 2001-08-07 2003-02-13 Hendrik Frank Printing/image-setting system
US7057494B2 (en) * 2001-08-09 2006-06-06 Fitzgibbon James J Method and apparatus for a rolling code learning transmitter
US20030128101A1 (en) * 2001-11-02 2003-07-10 Long Michael Lee Software for a lock
US6956460B2 (en) * 2002-01-15 2005-10-18 Tsui Philip Y W Transmitter for operating rolling code receivers
US20030193448A1 (en) * 2002-01-15 2003-10-16 Tsui Philip Y.W. Transmitter for operating rolling code receivers
US7173514B2 (en) * 2002-03-15 2007-02-06 Wayne-Dalton Corp. Operator for a movable barrier and method of use
US6963267B2 (en) 2002-03-15 2005-11-08 Wayne-Dalton Corporation Operator for a movable barrier and method of use
US7254182B2 (en) * 2002-07-09 2007-08-07 Tsui Philip Y W Transmitter for operating multiple devices
US7023162B2 (en) * 2003-02-18 2006-04-04 The Chamberlain Group, Inc. Automatic gate operator
JP2004316071A (ja) * 2003-04-10 2004-11-11 Denso Corp 遠隔操作システムの送信機
US7039397B2 (en) * 2003-07-30 2006-05-02 Lear Corporation User-assisted programmable appliance control
US7161466B2 (en) 2003-07-30 2007-01-09 Lear Corporation Remote control automatic appliance activation
US7068181B2 (en) 2003-07-30 2006-06-27 Lear Corporation Programmable appliance remote control
US7183941B2 (en) 2003-07-30 2007-02-27 Lear Corporation Bus-based appliance remote control
US7088265B2 (en) * 2004-03-18 2006-08-08 Gallen Ka Leung Tsui Systems and methods for proximity control of a barrier
US7170426B2 (en) * 2004-03-18 2007-01-30 Gallen Ka Leung Tsui Systems and methods for proximity control of a barrier
US7205908B2 (en) * 2004-03-18 2007-04-17 Gallen Ka Leung Tsui Systems and methods for proximity control of a barrier
US8422667B2 (en) 2005-01-27 2013-04-16 The Chamberlain Group, Inc. Method and apparatus to facilitate transmission of an encrypted rolling code
USRE48433E1 (en) 2005-01-27 2021-02-09 The Chamberlain Group, Inc. Method and apparatus to facilitate transmission of an encrypted rolling code
US9148409B2 (en) * 2005-06-30 2015-09-29 The Chamberlain Group, Inc. Method and apparatus to facilitate message transmission and reception using different transmission characteristics
US7482923B2 (en) 2005-01-27 2009-01-27 The Chamberlain Group, Inc. Alarm system interaction with a movable barrier operator method and apparatus
US7071850B1 (en) * 2005-01-27 2006-07-04 The Chamberlain Group, Inc. Method and apparatus to facilitate transmission of ternary movable barrier operator information
US8108691B2 (en) 2005-02-07 2012-01-31 Sandisk Technologies Inc. Methods used in a secure memory card with life cycle phases
US8423788B2 (en) 2005-02-07 2013-04-16 Sandisk Technologies Inc. Secure memory card with life cycle phases
US8321686B2 (en) 2005-02-07 2012-11-27 Sandisk Technologies Inc. Secure memory card with life cycle phases
US7786843B2 (en) * 2005-04-19 2010-08-31 Johnson Controls Technology Company System and method for training a trainable transmitter and a remote control system receiver
US7743409B2 (en) 2005-07-08 2010-06-22 Sandisk Corporation Methods used in a mass storage device with automated credentials loading
US8183980B2 (en) 2005-08-31 2012-05-22 Assa Abloy Ab Device authentication using a unidirectional protocol
US7934049B2 (en) 2005-09-14 2011-04-26 Sandisk Corporation Methods used in a secure yet flexible system architecture for secure devices with flash mass storage memory
US8966284B2 (en) 2005-09-14 2015-02-24 Sandisk Technologies Inc. Hardware driver integrity check of memory card controller firmware
US7884701B2 (en) * 2005-09-21 2011-02-08 Gallen Ka Leung Tsui External barrier operator device
US20080137715A1 (en) * 2005-12-06 2008-06-12 The Chamberlain Group, Inc. Secure spread spectrum-facilitated remote control signaling method and apparatus
US20070126552A1 (en) * 2005-12-06 2007-06-07 The Chamberlain Group, Inc. Secure spread spectrum-facilitated remote control signaling method and apparatus
CA2654296C (en) 2006-06-09 2012-11-27 Mattel, Inc. Interactive dvd gaming systems
US20080061926A1 (en) * 2006-07-31 2008-03-13 The Chamberlain Group, Inc. Method and apparatus for utilizing a transmitter having a range limitation to control a movable barrier operator
AU2007306965A1 (en) * 2006-10-13 2008-04-17 Microlatch Pty Ltd A secure wireless remote entry system
US8643465B2 (en) * 2006-12-04 2014-02-04 The Chamberlain Group, Inc. Network ID activated transmitter
US8423794B2 (en) 2006-12-28 2013-04-16 Sandisk Technologies Inc. Method and apparatus for upgrading a memory card that has security mechanisms for preventing copying of secure content and applications
JP4617326B2 (ja) * 2007-03-13 2011-01-26 本田技研工業株式会社 車両用盗難防止システム
US8111133B2 (en) * 2007-03-16 2012-02-07 Homerun Holdings Corporation System for processing multiple signal frequencies and data formats for a barrier operator
US9354890B1 (en) 2007-10-23 2016-05-31 Marvell International Ltd. Call stack structure for enabling execution of code outside of a subroutine and between call stack frames
US8618907B2 (en) * 2007-10-25 2013-12-31 The Chamberlain Group, Inc. Method and apparatus for coding identification information into a security transmission and method and apparatus for automatic learning of replacement security codes
US7841436B2 (en) 2008-01-21 2010-11-30 Amigo Mobility International Personal mobility vehicle
US8358783B2 (en) 2008-08-11 2013-01-22 Assa Abloy Ab Secure wiegand communications
US8581695B2 (en) * 2009-05-27 2013-11-12 Grant B. Carlson Channel-switching remote controlled barrier opening system
WO2010138118A1 (en) * 2009-05-27 2010-12-02 Overhead Door Corporation Channel switching remote controlled barrier opening system
US8368509B2 (en) 2010-02-10 2013-02-05 The Chamberlain Group, Inc. Apparatus and method for operating devices based upon vehicle detection
US9582443B1 (en) 2010-02-12 2017-02-28 Marvell International Ltd. Serial control channel processor for executing time-based instructions
US8416054B2 (en) 2010-02-25 2013-04-09 The Chamberlain Group, Inc. Method and apparatus for training a learning movable barrier operator transceiver
DE102010011022A1 (de) * 2010-03-11 2012-02-16 Siemens Aktiengesellschaft Verfahren zur sicheren unidirektionalen Übertragung von Signalen
US20110317835A1 (en) * 2010-06-24 2011-12-29 Laird Edward T Method and Apparatus to Facilitate Wireline Transmission of an Encrypted Rolling Code
DE102010032315A1 (de) * 2010-07-27 2012-02-02 Volkswagen Ag Verfahren zum Verschlüsseln und Entschlüsseln einer Information
US9164500B2 (en) * 2011-01-11 2015-10-20 Buffalo Filter Llc Method and device for remote control of an apparatus
US9098694B1 (en) * 2011-07-06 2015-08-04 Marvell International Ltd. Clone-resistant logic
US8902040B2 (en) 2011-08-18 2014-12-02 Greisen Enterprises Llc Electronic lock and method
US9698997B2 (en) 2011-12-13 2017-07-04 The Chamberlain Group, Inc. Apparatus and method pertaining to the communication of information regarding appliances that utilize differing communications protocol
US9122254B2 (en) 2012-11-08 2015-09-01 The Chamberlain Group, Inc. Barrier operator feature enhancement
US9941813B2 (en) 2013-03-14 2018-04-10 Solaredge Technologies Ltd. High frequency multi-level inverter
US10229548B2 (en) 2013-03-15 2019-03-12 The Chamberlain Group, Inc. Remote guest access to a secured premises
US9449449B2 (en) 2013-03-15 2016-09-20 The Chamberlain Group, Inc. Access control operator diagnostic control
US9396598B2 (en) 2014-10-28 2016-07-19 The Chamberlain Group, Inc. Remote guest access to a secured premises
US9367978B2 (en) 2013-03-15 2016-06-14 The Chamberlain Group, Inc. Control device access method and apparatus
GB2516837B (en) 2013-07-31 2015-12-09 Ip Access Ltd Network elements, wireless communication system and methods therefor
EP3069453B1 (de) 2013-11-15 2021-07-14 Gentex Corporation Mit dem internet verbundenes garagentorsteuerungssystem
US9318974B2 (en) 2014-03-26 2016-04-19 Solaredge Technologies Ltd. Multi-level inverter with flying capacitor topology
EP3446299A4 (de) * 2016-06-07 2019-03-13 Gentex Corporation Mit einem fahrzeug trainierbarer sendeempfänger zum ermöglichen einer cloud-basierten datenübertragung zwischen fahrzeugen
US10452877B2 (en) 2016-12-16 2019-10-22 Assa Abloy Ab Methods to combine and auto-configure wiegand and RS485
US10270493B2 (en) * 2017-07-14 2019-04-23 The Chamberlain Group, Inc. Portable rechargeable transmitter
KR101978812B1 (ko) * 2017-08-09 2019-05-15 주식회사 센스톤 가상카드번호 기반의 금융거래제공시스템, 가상카드번호생성장치, 가상카드번호검증장치, 가상카드번호 기반의 금융거래제공방법 및 가상카드번호 기반의 금융거래제공프로그램
US10089810B1 (en) * 2017-12-01 2018-10-02 OpenPath Security Inc. Rolling code based proximity verification for entry access
US10652743B2 (en) * 2017-12-21 2020-05-12 The Chamberlain Group, Inc. Security system for a moveable barrier operator
US11074773B1 (en) 2018-06-27 2021-07-27 The Chamberlain Group, Inc. Network-based control of movable barrier operators for autonomous vehicles
CA3107457A1 (en) 2018-08-01 2020-02-06 The Chamberlain Group, Inc. Movable barrier operator and transmitter pairing over a network
US11470063B2 (en) 2018-08-17 2022-10-11 Gentex Corporation Vehicle configurable transmitter for allowing cloud-based transfer of data between vehicles
US10643411B1 (en) 2018-10-05 2020-05-05 Gmi Holdings, Inc. Universal barrier operator transmitter
US11220856B2 (en) * 2019-04-03 2022-01-11 The Chamberlain Group Llc Movable barrier operator enhancement device and method
WO2020222174A1 (en) 2019-04-30 2020-11-05 Gentex Corporation Vehicle trainable transceiver having a programmable oscillator
US10997810B2 (en) 2019-05-16 2021-05-04 The Chamberlain Group, Inc. In-vehicle transmitter training
WO2021150845A1 (en) * 2020-01-22 2021-07-29 SPORTS SOLUTIONS and INNOVATIONS LLC Discreet solution to signal stealing and reducing game duration
US11562058B2 (en) 2020-02-05 2023-01-24 Quantum Digital Solutions Corporation Systems and methods for participating in a digital ecosystem using digital genomic data sets
USD963597S1 (en) 2020-10-29 2022-09-13 Gmi Holdings, Inc. Remote control for an upward acting door operator
IL304962A (en) 2021-02-04 2023-10-01 Quantum Digital Solutions Corp Cyphergenic based security platforms (CYPHERGENIC)

Family Cites Families (214)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US29525A (en) * 1860-08-07 Metallic alloy for journal bearings and boxes
US35364A (en) * 1862-05-27 Improved defensive arm or-plate
US30957A (en) * 1860-12-18 Improved steam-boiler
CH227464A (de) * 1942-01-29 1943-06-15 Patelhold Patentverwertung Verfahren zur Übermittlung von Nachrichten, die mit Hilfe von Steuersignalen verschleiert werden.
US4304962A (en) * 1965-08-25 1981-12-08 Bell Telephone Laboratories, Incorporated Data scrambler
GB1156279A (en) 1967-12-20 1969-06-25 Standard Telephones Cables Ltd Data Transmission Terminal
US3716865A (en) * 1971-06-10 1973-02-13 Chamberlain Mfg Corp Radio controlled system for garage door opener
US3798360A (en) * 1971-06-30 1974-03-19 Ibm Step code ciphering system
US3798605A (en) * 1971-06-30 1974-03-19 Ibm Centralized verification system
US3798359A (en) * 1971-06-30 1974-03-19 Ibm Block cipher cryptographic system
GB1360260A (en) * 1971-09-23 1974-07-17 Standard Telephones Cables Ltd Multilevel pcm system
US3735106A (en) * 1971-12-30 1973-05-22 Ibm Programmable code selection for automatic address answerback in a terminal system
US3938091A (en) * 1972-03-17 1976-02-10 Atalla Technovations Company Personal verification system
US3845277A (en) * 1972-09-01 1974-10-29 Mosler Safe Co Off-line cash dispenser and banking system
US3792446A (en) * 1972-12-04 1974-02-12 Pitney Bowes Inc Remote postage meter resetting method
US3906348A (en) * 1973-08-20 1975-09-16 Chamberlain Mfg Corp Digital radio control
US4195196A (en) * 1973-10-15 1980-03-25 International Business Machines Corporation Variant key matrix cipher system
USRE30957E (en) 1973-10-15 1982-06-01 International Business Machines Corporation Variant key matrix cipher system
US3890601A (en) * 1974-03-11 1975-06-17 Philco Ford Corp Password operated system for preventing unauthorized or accidental computer memory alteration
US4037201A (en) * 1975-11-24 1977-07-19 Chamberlain Manufacturing Corporation Digital radio control
US4196310A (en) * 1976-04-09 1980-04-01 Digital Data, Inc. Secure SCA broadcasting system including subscriber actuated portable receiving terminals
US4064404A (en) * 1976-04-19 1977-12-20 Chamberlain Manufacturing Corporation Accessory for a garage door opener
US4078152A (en) * 1976-04-26 1978-03-07 International Business Machines Corporation Block-cipher cryptographic system with chaining
US4195200A (en) * 1976-06-30 1980-03-25 International Business Machines Corporation Key controlled block-cipher cryptographic system employing a multidirectional shift matrix
US4316055A (en) * 1976-12-30 1982-02-16 International Business Machines Corporation Stream/block cipher crytographic system
US4138735A (en) * 1977-01-31 1979-02-06 Pitney-Bowes, Inc. System for remotely resetting postage rate memories
US4178549A (en) * 1978-03-27 1979-12-11 National Semiconductor Corporation Recognition of a received signal as being from a particular transmitter
GB2020513B (en) 1978-05-03 1982-12-22 Atalla Technovations Method and apparatus for securing data transmissions
US4218738A (en) * 1978-05-05 1980-08-19 International Business Machines Corporation Method for authenticating the identity of a user of an information system
GB2023899B (en) * 1978-06-14 1982-10-27 Hitachi Ltd Remote-controlled automatic control apparatus
GB2043958B (en) * 1979-02-23 1983-11-09 Hitachi Ltd Door operation control apparatus
US4426637A (en) * 1979-02-26 1984-01-17 Multi-Elmac Company Combination encoder-decoder integrated circuit device
US4305060A (en) * 1979-02-26 1981-12-08 Multi-Elmac Company Decoder circuitry for selectively activating loads
US4471593A (en) * 1979-03-15 1984-09-18 Douglas Ragland Fastening clip for panel
GB2051442B (en) 1979-03-30 1984-02-01 Howard J A Security system
US4327444A (en) * 1979-06-04 1982-04-27 Tmx Systems Limited Miniature transmitter and method for making same
US4328414A (en) * 1979-12-11 1982-05-04 Atalla Technovations Multilevel security apparatus and method
US4445712A (en) * 1980-01-14 1984-05-01 Id Code Industries, Inc. Identification devices and methods
US4380762A (en) * 1980-01-31 1983-04-19 Gaetano Capasso Polyfunction programmable data receiver
US4454509A (en) * 1980-02-27 1984-06-12 Regency Electronics, Inc. Apparatus for addressably controlling remote units
US4464651A (en) * 1980-04-14 1984-08-07 Stanley Vemco Home security and garage door operator system
US4385231A (en) 1980-06-27 1983-05-24 Omron Tateisi Electronics Co. Unlocking system for use with cards
US4326098A (en) * 1980-07-02 1982-04-20 International Business Machines Corporation High security system for electronic signature verification
US4447890A (en) * 1980-07-14 1984-05-08 Pitney Bowes Inc. Remote postage meter systems having variable user authorization code
US4393269A (en) * 1981-01-29 1983-07-12 International Business Machines Corporation Method and apparatus incorporating a one-way sequence for transaction and identity verification
US4418333A (en) * 1981-06-08 1983-11-29 Pittway Corporation Appliance control system
US4578530A (en) * 1981-06-26 1986-03-25 Visa U.S.A., Inc. End-to-end encryption system and method of operation
US4580111A (en) 1981-12-24 1986-04-01 Harris Corporation Amplitude modulation using digitally selected carrier amplifiers
US4602357A (en) * 1982-02-12 1986-07-22 Ensco Inc. Coded acoustic alarm transmitter/receiver system
GB2118614A (en) 1982-04-16 1983-11-02 Leonard Joseph Genest Method of code changing for electronic lock
DE3225754A1 (de) * 1982-07-09 1984-01-12 Hülsbeck & Fürst GmbH & Co KG, 5620 Velbert Verfahren zur schliesswirksamen wechselwirkung eines schluesselartigen teils mit einem schlossartigen teil
US4581606A (en) * 1982-08-30 1986-04-08 Isotec Industries Limited Central monitor for home security system
DE3234539A1 (de) 1982-09-17 1984-03-22 Siemens AG, 1000 Berlin und 8000 München Verfahren zur code-sicherung bei einem elektronischen schluessel
DE3234538A1 (de) 1982-09-17 1984-03-22 Siemens AG, 1000 Berlin und 8000 München Verfahren zur code-sicherung bei einem elektronischen schluessel
US4535333A (en) * 1982-09-23 1985-08-13 Chamberlain Manufacturing Corporation Transmitter and receiver for controlling remote elements
US4529980A (en) * 1982-09-23 1985-07-16 Chamberlain Manufacturing Corporation Transmitter and receiver for controlling the coding in a transmitter and receiver
DE3237622A1 (de) * 1982-10-11 1984-04-12 Bayerische Motoren Werke AG, 8000 München Sicherheitseinrichtung
DE3244049C2 (de) 1982-11-27 1986-06-26 Kiekert GmbH & Co KG, 5628 Heiligenhaus Zentralverriegelungsanlage für ein Kraftfahrzeug
US4471493A (en) 1982-12-16 1984-09-11 Gte Automatic Electric Inc. Wireless telephone extension unit with self-contained dipole antenna
DE3300732A1 (de) 1983-01-12 1984-09-20 Kiekert GmbH & Co KG, 5628 Heiligenhaus Zentralverriegelungsanlage fuer ein kraftfahrzeug
DE3309802C2 (de) 1983-03-18 1985-07-04 Audi AG, 8070 Ingolstadt Elektronisches System für Kraftfahrzeuge
DE3320721A1 (de) 1983-06-08 1984-12-13 Siemens AG, 1000 Berlin und 8000 München Verfahren zur code-sicherung bei einem elektronischen schluessel
US4590470A (en) * 1983-07-11 1986-05-20 At&T Bell Laboratories User authentication system employing encryption functions
GB8320706D0 (en) 1983-08-01 1983-09-01 Waitrose Ltd Locking devices
US4628315A (en) * 1983-08-16 1986-12-09 Sparton Corporation Addressable transducer with improved address signal processing
JPS6065875A (ja) * 1983-09-19 1985-04-15 日産自動車株式会社 車両用施錠制御装置
US4931789A (en) 1983-11-01 1990-06-05 Universal Photonix, Inc. Apparatus and method for a universal electronic locking system
US4593155A (en) * 1983-12-05 1986-06-03 Motorola, Inc. Portable telephone ID code transfer system
US4491774A (en) * 1983-12-30 1985-01-01 Motorola, Inc. Control system for a radio-controlled door operator
US4686529A (en) * 1984-01-06 1987-08-11 Kiekert Gmbh & Co. Kommanditgesellschaft Remote-control lock system
US4599489A (en) * 1984-02-22 1986-07-08 Gordian Systems, Inc. Solid state key for controlling access to computer software
DE3407389A1 (de) * 1984-02-29 1985-08-29 Blaupunkt-Werke Gmbh, 3200 Hildesheim Steuereinrichtung zum ausloesen von steuervorgaengen
DE3407469A1 (de) 1984-02-29 1985-09-05 Siemens AG, 1000 Berlin und 8000 München Verfahren zur code-sicherung bei einem elektronischen schluessel
DE3407436A1 (de) 1984-02-29 1985-08-29 Siemens AG, 1000 Berlin und 8000 München Verfahren zur code-sicherung bei einem elektronischen schluessel
US4754255A (en) * 1984-03-12 1988-06-28 Sanders Rudy T User identifying vehicle control and security device
US4596898A (en) * 1984-03-14 1986-06-24 Computer Security Systems, Inc. Method and apparatus for protecting stored and transmitted data from compromise or interception
US4653076A (en) * 1984-03-23 1987-03-24 Sangamo Weston, Inc. Timing signal correction system for use in direct sequence spread signal receiver
US4928098A (en) 1984-03-30 1990-05-22 Siemens Aktiengesellschaft Method for code protection using an electronic key
US4623887A (en) * 1984-05-15 1986-11-18 General Electric Company Reconfigurable remote control
US4626848A (en) * 1984-05-15 1986-12-02 General Electric Company Programmable functions for reconfigurable remote control
US4646080A (en) * 1984-05-17 1987-02-24 Leonard J. Genest Method of code changing for electronic lock
US4574247A (en) * 1984-05-21 1986-03-04 Multi-Elmac Company FM Signal demodulator
US4750118A (en) * 1985-10-29 1988-06-07 Chamberlain Manufacturing Corporation Coding system for multiple transmitters and a single receiver for a garage door opener
USRE35364E (en) 1985-10-29 1996-10-29 The Chamberlain Group, Inc. Coding system for multiple transmitters and a single receiver for a garage door opener
US4638433A (en) * 1984-05-30 1987-01-20 Chamberlain Manufacturing Corporation Microprocessor controlled garage door operator
FR2565752B1 (fr) * 1984-06-08 1986-09-05 Radiotechnique Compelec Circuit d'interface du type esclave fonctionnant avec un bus serie
US4885778A (en) * 1984-11-30 1989-12-05 Weiss Kenneth P Method and apparatus for synchronizing generation of separate, free running, time dependent equipment
US5168520A (en) 1984-11-30 1992-12-01 Security Dynamics Technologies, Inc. Method and apparatus for personal identification
US5367572A (en) 1984-11-30 1994-11-22 Weiss Kenneth P Method and apparatus for personal identification
US4998279A (en) 1984-11-30 1991-03-05 Weiss Kenneth P Method and apparatus for personal verification utilizing nonpredictable codes and biocharacteristics
US4720860A (en) * 1984-11-30 1988-01-19 Security Dynamics Technologies, Inc. Method and apparatus for positively identifying an individual
JPS61139873A (ja) * 1984-12-13 1986-06-27 Casio Comput Co Ltd 認証方式
US4630035A (en) * 1985-01-04 1986-12-16 Motorola, Inc. Alarm system having alarm transmitter indentification codes and acoustic ranging
US4800590A (en) * 1985-01-14 1989-01-24 Willis E. Higgins Computer key and computer lock system
US4703359A (en) * 1985-05-30 1987-10-27 Nap Consumer Electronics Corp. Universal remote control unit with model identification capability
US4794622A (en) * 1985-06-03 1988-12-27 Linear Corporation Low power transmitter frequency stabilization
US4755792A (en) * 1985-06-13 1988-07-05 Black & Decker Inc. Security control system
DE3529882A1 (de) * 1985-08-21 1987-02-26 Vdo Schindling System zum ver- und / oder entriegeln einer sicherheitseinrichtung
DE3532156A1 (de) 1985-09-10 1987-03-26 Huelsbeck & Fuerst Elektronische schliesseinrichtung fuer kraftfahrzeuge
EP0215291B1 (de) * 1985-09-10 1991-02-27 Hülsbeck & Fürst GmbH. & Co. KG Elektronische Schliesseinrichtung für Kraftfahrzeuge
US4611198A (en) * 1985-09-19 1986-09-09 Levinson Samuel H Security and communication system
US4799061A (en) * 1985-11-18 1989-01-17 International Business Machines Corporation Secure component authentication system
GB2183971B (en) 1985-12-05 1989-10-04 Stc Plc Data transmission system
JPH0728448B2 (ja) * 1986-02-07 1995-03-29 アールシーエー トムソン ライセンシング コーポレイシヨン 再構成可能な遠隔制御送信器
US4737770A (en) * 1986-03-10 1988-04-12 Interactive Technologies, Inc. Security system with programmable sensor and user data input transmitters
US4716301A (en) * 1986-04-08 1987-12-29 Chamberlain Manufacturing Corporation Digital light control
US4831509A (en) * 1986-04-16 1989-05-16 Byrne & Davidson Doors (N.S.W.)Pty. Limited Door operation control apparatus
FR2597538B1 (fr) 1986-04-22 1995-03-31 Soum Rene Ensemble cle-serrure de securite a telecommande dans lequel la cle n'a qu'une fonction d'emission et la serrure de reception
FR2598258B1 (fr) 1986-04-30 1988-10-07 Aix Les Bains Composants Procede d'encapsulation de circuits integres.
US4808995A (en) * 1986-05-02 1989-02-28 Stanley Automatic Openers Accessory-expandable, radio-controlled, door operator with multiple security levels
FR2600189B1 (fr) 1986-06-16 1991-02-01 Bull Cp8 Procede pour faire authentifier par un milieu exterieur un objet portatif tel qu'une carte a memoire accouplee a ce milieu
JPH0625503B2 (ja) * 1986-06-20 1994-04-06 日産自動車株式会社 解錠制御装置
US4779090A (en) * 1986-08-06 1988-10-18 Micznik Isaiah B Electronic security system with two-way communication between lock and key
DE3774364D1 (de) * 1986-08-12 1991-12-12 Siemens Ag Elektronische schliessanlage mit mindestens einem schloss, insbesondere fuer kraftfahrzeuge.
US4740792A (en) * 1986-08-27 1988-04-26 Hughes Aircraft Company Vehicle location system
JPH0747910B2 (ja) * 1986-10-24 1995-05-24 日産自動車株式会社 リモ−トコントロ−ルドアロツク装置
US4796181A (en) * 1986-10-24 1989-01-03 Wiedemer John D Billing system for computer software
US4804938A (en) 1986-10-24 1989-02-14 Sangamo Weston, Inc. Distribution energy management system
JPH0710091B2 (ja) * 1986-10-24 1995-02-01 ソニー株式会社 電子機器
DE3636822C2 (de) 1986-10-29 1993-12-23 Ruf Kg Wilhelm Elektronische Fernbetätigungseinrichtung, insbesondere für Zentralverriegelungsanlagen von Kraftfahrzeugen
FR2606232B1 (fr) 1986-10-31 1988-12-02 Neiman Sa Procede de codage evolutif de haute securite et dispositif de mise en oeuvre de ce procede
FR2607544A1 (fr) 1986-11-27 1988-06-03 Neiman Sa Serrure electronique a changement de code periodique
US4731575A (en) 1986-12-08 1988-03-15 Sloan Joseph W Prepayment metering system using encoded purchase cards
FR2609086B1 (fr) 1986-12-31 1992-12-11 Peugeot Dispositif a code modifiable de protection contre le vol pour vehicules automobiles
US4761808A (en) * 1987-03-18 1988-08-02 Sheldon Howard Time code telephone security access system
US4859990A (en) * 1987-04-15 1989-08-22 Linear Corporation Electrically programmable transceiver security system and integrated circuit
US4845491A (en) * 1987-05-15 1989-07-04 Newspager Corporation Of America Pager based information system
US4881148A (en) * 1987-05-21 1989-11-14 Wickes Manufacturing Company Remote control system for door locks
US4825200A (en) * 1987-06-25 1989-04-25 Tandy Corporation Reconfigurable remote control transmitter
JP2767816B2 (ja) 1987-10-07 1998-06-18 セイコーエプソン株式会社 リモコン送信・受信装置
US4918690A (en) 1987-11-10 1990-04-17 Echelon Systems Corp. Network and intelligent cell for providing sensing, bidirectional communications and control
US4939792A (en) 1987-11-16 1990-07-03 Motorola, Inc. Moldable/foldable radio housing
DE3741324A1 (de) * 1987-12-05 1989-06-15 Alltronik Gmbh Handsender zur aussendung codierter elektromagnetischer impulse und darauf abgestimmter empfaenger
US4856081A (en) * 1987-12-09 1989-08-08 North American Philips Consumer Electronics Corp. Reconfigurable remote control apparatus and method of using the same
DE3869366D1 (de) 1987-12-17 1992-04-23 Siemens Ag Verfahren und schaltung zum manipuliergeschuetzten entwerten von ee-prom-speichern.
US4870400A (en) * 1988-01-26 1989-09-26 Yale Security Inc. Electronic door lock key re-sequencing function
US4951029A (en) 1988-02-16 1990-08-21 Interactive Technologies, Inc. Micro-programmable security system
JPH01218296A (ja) 1988-02-26 1989-08-31 Nec Home Electron Ltd 学習機能付きリモコン受信器
US5060263A (en) 1988-03-09 1991-10-22 Enigma Logic, Inc. Computer access control system and method
US4992783A (en) 1988-04-04 1991-02-12 Motorola, Inc. Method and apparatus for controlling access to a communication system
US4980913A (en) 1988-04-19 1990-12-25 Vindicator Corporation Security system network
US5412379A (en) * 1988-05-27 1995-05-02 Lectron Products, Inc. Rolling code for a keyless entry system
US4942393A (en) 1988-05-27 1990-07-17 Lectron Products, Inc. Passive keyless entry system
JP2687454B2 (ja) 1988-06-28 1997-12-08 ソニー株式会社 汎用コマンダ
US4912463A (en) 1988-08-09 1990-03-27 Princeton Technology Corporation Remote control apparatus
US4914696A (en) 1988-08-15 1990-04-03 Motorola, Inc. Communications system with tandem scrambling devices
JPH0732499B2 (ja) 1988-08-16 1995-04-10 日産自動車株式会社 施解錠制御システム
US4890108A (en) 1988-09-09 1989-12-26 Clifford Electronics, Inc. Multi-channel remote control transmitter
US4855713A (en) * 1988-10-07 1989-08-08 Interactive Technologies, Inc. Learn mode transmitter
US5049867A (en) 1988-11-30 1991-09-17 Code-Alarm, Inc. Vehicle security apparatus
IT1227401B (it) 1988-12-06 1991-04-08 Delta Elettronica Spa Dispositivi per la trasmissione a distanza di comandi in sicurezza
DE3905651A1 (de) 1989-02-24 1990-08-30 Daimler Benz Ag Verfahren zur sicherung von codeworten eines fernwirksystems und fernwirksystem mit durch codeworte uebertragbarem code
US5148159A (en) 1989-04-26 1992-09-15 Stanley Electronics Remote control system with teach/learn setting of identification code
US4922168A (en) 1989-05-01 1990-05-01 Genie Manufacturing, Inc. Universal door safety system
AU5358190A (en) 1989-05-18 1990-12-18 Siemens Aktiengesellschaft Transmission and receiving system
US5528621A (en) * 1989-06-29 1996-06-18 Symbol Technologies, Inc. Packet data communication system
US4988992A (en) * 1989-07-27 1991-01-29 The Chamberlain Group, Inc. System for establishing a code and controlling operation of equipment
US5331325A (en) 1989-08-14 1994-07-19 Crimestopper Security Products Inc. Remote control transmitter configured as an article of utility
US4963876A (en) 1989-08-21 1990-10-16 Sanders Rudy T Thin programmable remote control transmitter
US4979832A (en) 1989-11-01 1990-12-25 Ritter Terry F Dynamic substitution combiner and extractor
US5126959A (en) 1989-11-20 1992-06-30 Clarion Co., Ltd. Code generation control device
US5146067A (en) 1990-01-12 1992-09-08 Cic Systems, Inc. Prepayment metering system using encoded purchase cards from multiple locations
DE69118748T2 (de) 1990-05-29 1996-11-28 Microchip Tech Inc Integrierte Schaltungen, insbesondere zum Gebrauch in Fernsteuersystemen
US5300922A (en) * 1990-05-29 1994-04-05 Sensormatic Electronics Corporation Swept frequency electronic article surveillance system having enhanced facility for tag signal detection
US6175312B1 (en) * 1990-05-29 2001-01-16 Microchip Technology Incorporated Encoder and decoder microchips and remote control devices for secure unidirectional communication
US5224163A (en) 1990-09-28 1993-06-29 Digital Equipment Corporation Method for delegating authorization from one entity to another through the use of session encryption keys
US5144667A (en) 1990-12-20 1992-09-01 Delco Electronics Corporation Method of secure remote access
DE4204463C2 (de) * 1991-02-15 1995-06-01 Alps Electric Co Ltd Identifikations-Informations-Sende-/Empfangsvorrichtung
US6166650A (en) 1991-05-29 2000-12-26 Microchip Technology, Inc. Secure self learning system
US5686904A (en) 1991-05-29 1997-11-11 Microchip Technology Incorporated Secure self learning system
US5479512A (en) 1991-06-07 1995-12-26 Security Dynamics Technologies, Inc. Method and apparatus for performing concryption
US5485519A (en) 1991-06-07 1996-01-16 Security Dynamics Technologies, Inc. Enhanced security for a secure token code
US5657388A (en) 1993-05-25 1997-08-12 Security Dynamics Technologies, Inc. Method and apparatus for utilizing a token for resource access
US5237614A (en) 1991-06-07 1993-08-17 Security Dynamics Technologies, Inc. Integrated network security system
US5193210A (en) 1991-07-29 1993-03-09 Abc Auto Alarms, Inc. Low power RF receiver
US5252960A (en) 1991-08-26 1993-10-12 Stanley Home Automation Secure keyless entry system for automatic garage door operator
FR2685520B1 (fr) 1991-12-23 1998-06-12 Monetel Carte a memoire rechargeable, procede de securisation et terminal d'utilisation.
US5778348A (en) 1991-12-24 1998-07-07 Pitney Bowes Inc. Remote activation of rating capabilities in a computerized parcel manifest system
US5473318A (en) 1992-01-10 1995-12-05 Active Control Technology Inc. Secure remote control system with receiver controlled to add and delete identity codes
GB2265482B (en) * 1992-03-28 1995-07-26 Pektron Ltd Improvements in data transmission
US5442341A (en) 1992-04-10 1995-08-15 Trw Inc. Remote control security system
US5280527A (en) * 1992-04-14 1994-01-18 Kamahira Safe Co., Inc. Biometric token for authorizing access to a host system
US5872519A (en) * 1992-05-22 1999-02-16 Directed Electronics, Inc. Advanced embedded code hopping system
US5361062A (en) 1992-11-25 1994-11-01 Security Dynamics Technologies, Inc. Personal security system
DE69327644T2 (de) 1993-01-07 2000-09-07 Ford Motor Co Ferngesteuertes Sicherheitssystem
WO1994018036A1 (de) * 1993-02-12 1994-08-18 Robert Bosch Gmbh Fernbedienbare sicherungseinrichtung für ein kraftfahrzeug
US5278907A (en) 1993-03-01 1994-01-11 Transcrypt International, Inc. Analog scrambling with continuous synchronization
JPH077771A (ja) 1993-03-19 1995-01-10 Sony Corp リモートコマンダー
US5414418A (en) 1993-05-03 1995-05-09 Motorola, Inc. Method and apparatus for pre-programming and subsequently designating a response characteristic of a selective call receiver
US5444737A (en) * 1993-05-05 1995-08-22 National Semiconductor Corporation Wireless data transceiver
US5363448A (en) 1993-06-30 1994-11-08 United Technologies Automotive, Inc. Pseudorandom number generation and cryptographic authentication
JPH0781521A (ja) * 1993-06-30 1995-03-28 Alpine Electron Inc セキュリティ装置
US5594429A (en) * 1993-10-27 1997-01-14 Alps Electric Co., Ltd. Transmission and reception system and signal generation method for same
US5680131A (en) 1993-10-29 1997-10-21 National Semiconductor Corporation Security system having randomized synchronization code after power up
US5369706A (en) 1993-11-05 1994-11-29 United Technologies Automotive, Inc. Resynchronizing transmitters to receivers for secure vehicle entry using cryptography or rolling code
JP3354685B2 (ja) * 1994-02-07 2002-12-09 富士通株式会社 符号分割多重通信装置
US5420925A (en) 1994-03-03 1995-05-30 Lectron Products, Inc. Rolling code encryption process for remote keyless entry system
US5471668A (en) * 1994-06-15 1995-11-28 Texas Instruments Incorporated Combined transmitter/receiver integrated circuit with learn mode
JP3319230B2 (ja) 1994-08-05 2002-08-26 株式会社デンソー 遠隔操作装置
US5678213A (en) * 1994-09-30 1997-10-14 Lucent Technologies Inc. Radio receiver for processing a multi-carrier signal with a large dynamic range
FI97581C (fi) 1995-02-10 1997-01-10 Nokia Telecommunications Oy Vastaanotin ja menetelmä hajotuskoodien generoimiseksi vastaanottimessa
US5598475A (en) 1995-03-23 1997-01-28 Texas Instruments Incorporated Rolling code identification scheme for remote control applications
US5608723A (en) * 1995-04-26 1997-03-04 Interval Research Corporation Methods and systems for secure wireless communication within a predetermined boundary
US6690796B1 (en) * 1995-05-17 2004-02-10 The Chamberlain Group, Inc. Rolling code security system
US7492905B2 (en) 1995-05-17 2009-02-17 The Chamberlain Group, Inc. Rolling code security system
CA2193846C (en) * 1995-05-17 2004-02-17 Bradford L. Farris Rolling code security system
US6980655B2 (en) 2000-01-21 2005-12-27 The Chamberlain Group, Inc. Rolling code security system
US5898397A (en) 1996-01-16 1999-04-27 Stanley Home Automation Remote control transmitter and method of operation
US6275519B1 (en) * 1996-11-21 2001-08-14 Dsp Group, Inc. Frame synchronization in a digital communications system
US5923758A (en) 1997-01-30 1999-07-13 Delco Electronics Corp. Variable key press resynchronization for remote keyless entry systems
US5937065A (en) 1997-04-07 1999-08-10 Eaton Corporation Keyless motor vehicle entry and ignition system
US6463538B1 (en) 1998-12-30 2002-10-08 Rainbow Technologies, Inc. Method of software protection using a random code generator
US7332999B2 (en) 2004-04-19 2008-02-19 The Chamberlain Group, Inc. System and method for operating multiple moveable barrier operators
JP2007133527A (ja) * 2005-11-09 2007-05-31 Fujifilm Corp クロック信号生成回路、半導体集積回路及び分周率制御方法

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US8284021B2 (en) 2012-10-09
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US8233625B2 (en) 2012-07-31
WO1996037063A1 (en) 1996-11-21
CA2193846A1 (en) 1996-11-21
EP0771498A1 (de) 1997-05-07
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US20090021348A1 (en) 2009-01-22
EP0771498B1 (de) 2007-05-09
US8194856B2 (en) 2012-06-05
US20090016530A1 (en) 2009-01-15
US20080297370A1 (en) 2008-12-04
AU710682B2 (en) 1999-09-30
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