WO2000035183A2 - Telecommunication device integrated with a scanner - Google Patents
Telecommunication device integrated with a scanner Download PDFInfo
- Publication number
- WO2000035183A2 WO2000035183A2 PCT/IB1999/002105 IB9902105W WO0035183A2 WO 2000035183 A2 WO2000035183 A2 WO 2000035183A2 IB 9902105 W IB9902105 W IB 9902105W WO 0035183 A2 WO0035183 A2 WO 0035183A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- scanner
- housing
- telecommunication device
- telephone
- telecommunication
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/10—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces
- H04N1/107—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces with manual scanning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
- H04M1/2745—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips
- H04M1/2753—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips providing data content
- H04M1/2755—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips providing data content by optical scanning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00281—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal
- H04N1/00302—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a telephonic apparatus, e.g. telephone answering machine or videotex terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00281—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal
- H04N1/00307—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a telecommunication apparatus, e.g. a switched network of teleprinters for the distribution of text-based information, a selective call terminal with a mobile telephone apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0254—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets comprising one or a plurality of mechanically detachable modules
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
Definitions
- the present invention relates to a telecommunication device
- a telephone such as for example a telephone, a telefax, a mobile phone, a radio device
- Telecommunication devices such as telephones, telefaxes,
- customers can also introduce not formatted, dirty, torn or very thick paper in the fax device. This causes a damage to the devices, which makes
- the device can be damaged by premeditated vandalism by introducing
- a housing for example a handset housing and utilizes a light-
- the scanner is integrated in
- the housing and a scanner window is arranged on one of outer sides of the housing, the housing can operate as a hand scanner, and a computing unit
- ROM as a carrier of a system software
- RAM as an intermediate memory
- telecommunication device can be a telephone, a telefax or the like and the
- housing is formed as a handset housing of the telephone, telefax and the
- telecommunication device can be a mobile phone, a radio device and the like
- the housing is formed as a housing on the phone, the radio
- the scanner integrated in a housing which can be formed as
- a handset or a device housing provides for a compact and place-saving
- Figure 1 is a view showing a general structure and a data flow
- Figure 2 is a perspective view of the inventive device which is
- Figure 3 is a perspective view of the inventive
- telecommunication device in Figure 2 formed as a mobile phone or a
- Figure 4 is a perspective view of the inventive device which is
- inventions can be formed as a telephone, a telefax, a mobile telephone or a
- radio device with a handset or as a mobile telephone with an integrated
- optical scanning device 1 It is activated by an activation switch 2 and
- the computing unit 7 can be composed for example of a
- controller 4 a microprocessor 3 a ROM 5 as a carrier of a system software,
- the computing unit controls both
- the computing unit and the scanner are configured to additionally the scanning functions.
- the computing unit and the scanner are configured to additionally the scanning functions.
- control interface 15 connected with one another and, by means of a control interface 15 and a
- the received data can be indicated directly by a display 9.
- selection switch 18 preferably varies the operations of the operator keys, so
- movement sensors 21 are arranged. They are formed preferably as
- the mechanical movement sensors can be formed as wheels
- the scanner device does not have to
- the removable scanner 22 can be removed via the plug
- the devices provided for scanning with the mobile telephone,
- RAM random access memory
- ROM read only memory
- the scanning function can be
- An additional cover can be arranged on the scanner window
- Removable scanner can have different dimensions, so that
- a removable scanner can be plugged on with desired
- the mobile telephones can be any type of telephone without the use of additional devices.
- the mobile telephones can be any type of telephone without the use of additional devices.
- the mobile telephones can be any type of telephone without the use of additional devices.
- the mobile telephones can be any type of telephone without the use of additional devices.
- the mobile telephones can be any type of telephone without the use of additional devices.
- the mobile telephones can be any type of telephone without the use of additional devices.
- the receiving unit does not occupy any additional space.
- the quantity of the received data varies in dependence on the size of the documents
- the received pixel number is the same with
- the scanner is moved non uniformly, so that it is not necessary to move the
Abstract
A telecommunication device has a housing, an optical sensor (21) integrated in the housing for scanning a medium and converting a pattern of bright and dark or various colors into digital signals, the scanner (1) being integrated in the housing, the housing being provided with a scanner window (9) in one of its outer sides, so that the housing together with the scanner can operate as a hand scanner, and a computing unit including at least a controller (4), a microprocessor (3), a ROM (5) as a carrier of a system software, and a RAM (6) as an intermediate memory for further processing and computing.
Description
TELECOMMUNICATION DEVICE
Technical Field
The present invention relates to a telecommunication device,
such as for example a telephone, a telefax, a mobile phone, a radio device
and the like.
Background Art
Telecommunication devices, such as telephones, telefaxes,
mobile phones, radio devices are widely known and utilized. However, the
possibility of faxing, copying and storing documents by means of a known
telephone, a mobile telephone, and a telefax device is very limited. For
example it is not possible to fax documents which are binded or provided
with covers, books or portions of the text. Moreover, the possibilities of
faxing on a road are very limited. In addition, the paper drawing mechanical
system of normal fax devices is very sensitive. As a result, the use of such
fax devices in non-monitored spaces, such as open fax devices, must be
excluded. The public fax devices available in public telephone cells provided
with a fax device require a very intensive surface and monitoring, since
customers can also introduce not formatted, dirty, torn or very thick paper in
the fax device. This causes a damage to the devices, which makes
necessary a constant monitoring or maintenance of the device. In addition,
the device can be damaged by premeditated vandalism by introducing
garbage into the drawing-in region of the fax device. These factors lead to
enormous costs.
Disclosure of the Invention
It is therefore an object of the present invention to provide a
telecommunication device which avoids the disadvantages of the prior art.
More particularly, it is an object of present invention to provide
a telecommunication device which can be used without constant monitoring
and service and is better protected against vandalism
In keeping with these objects and with others which will
become apparent hereinafter, one feature of present invention resides,
briefly stated, in a telecommunication devices which has an optical scanner
is integrated in a housing, for example a handset housing and utilizes a light-
sensitive device for scanning a medium and converting a pattern of bright
and dark or different colors into digital signals, the scanner is integrated in
the housing and a scanner window is arranged on one of outer sides of the
housing, the housing can operate as a hand scanner, and a computing unit
is provided which is composed of at least one controller, a microprocessor
ROM as a carrier of a system software, and RAM as an intermediate memory
for further processing and computations.
In accordance with one feature of the present invention, the
telecommunication device can be a telephone, a telefax or the like and the
housing is formed as a handset housing of the telephone, telefax and the
like.
In accordance with another feature of present invention, the
telecommunication device can be a mobile phone, a radio device and the like
in which case the housing is formed as a housing on the phone, the radio
device and the like.
When the telecommunication device is designed in accordance
with the present invention, it provides for the above mentioned highly
advantageous results.
The scanner integrated in a housing which can be formed as
a handset or a device housing provides for a compact and place-saving
combination and accomplishes highly advantageous results. It is possible
at any time, for example even on a road, to scan originals of any format and
any size, in the form of books or other binded products and not only scan the
same in a wireless manner, but also to input the above mentioned originals
into a computer and to process them, or to send to a fax device at home,
which is similar to a process of a photo copying in a remote fashion. This
means that the problem of distances and the connected problem of not-
available corresponding devices when it is necessary to transmit shortly and
spontaneously certain data, is completely resolved. These advantages make
the present invention exceptionally useful and absolutely necessary for
achieving the constantly increasing mobility of customers in the society and
the enormously increasing information flow which has a worldwide nature.
Brief Description of the Drawings
Figure 1 is a view showing a general structure and a data flow
diagram of a telecommunication device in accordance with the present
invention;
Figure 2 is a perspective view of the inventive device which is
formed as a telephone or a telefax;
Figure 3 is a perspective view of the inventive
telecommunication device in Figure 2 formed as a mobile phone or a
cordless phone; and
Figure 4 is a perspective view of the inventive device which is
formed as a mobile phone or a cordless phone with a removable scanning
device.
Best Mode of Carrying Out the Invention
A telecommunication device in accordance with the present
invention can be formed as a telephone, a telefax, a mobile telephone or a
radio device with a handset or as a mobile telephone with an integrated
optical scanning device 1. It is activated by an activation switch 2 and
controlled by operator keys 10, so that the handset or the mobile telephone
can operate as a hand scanner, as shown in Figures 2 and 3. Thereby the
documents or images can be scanned in a simple manner and sent
wirelessly (wire radio) by means of a transmitting and receiving unit 12 or via
a solid network 13. They also can be stored in a magnetic plate memory
(solid state plate) 8 and later transmitted via an interface 13 to external
devices, such as for example a computer or a printer. In addition data
recovered from the optical scanner and digitalized can be transmitted to a
computing unit 7 and processed there.
The computing unit 7 can be composed for example of a
controller 4, a microprocessor 3 a ROM 5 as a carrier of a system software,
and a RAM 6 as an intermediate memory for a further processing computing.
Therefore after the receipt of the data, a graphic process, a text recognition,
and/or a text processing can be performed. The computing unit controls both
the telephone-.telefax-, radio device-, or mobile telephone functions and
additionally the scanning functions. The computing unit and the scanner are
connected with one another and, by means of a control interface 15 and a
scanner interface 16, are connected with the magnetic plate memory (solid
plate 8), telephone-, telefax-, fax device or conventional mobile telephone
basic components 11 , a display 9, an interface for external devices, operator
piece, transmitter/receiver 12.
The received data can be indicated directly by a display 9. The
facts, scanner-, telephone-, mobile telephone-, memory-, text processing-,
and image processing functions are controlled by the operator keys. A menu
selection switch 18 preferably varies the operations of the operator keys, so
that the operator keys simultaneously all conventional telephone-, telefax-,
or mobile telephones basic components are controlled as shown in Figures
1-3.
At the side of the scanner window of the scanner device,
movement sensors 21 are arranged. They are formed preferably as
optoelectronic or mechanical movement sensors. They supply information
about the scanning direction and speed to the computing unit and thereby
simplify the processing of the data received from the scanner and used
during the image processing or text recognition of the scanned region.
The mechanical movement sensors can be formed as wheels
or balls, which rotate during scanning. They are connected with perforated
disks, and light sources are located behind the perforated disks. The
movement of the perforated disks releases thereby a light exchange which
is converted by photo detectors into corresponding electronic signals.
With the optoelectronic movement sensor, the surface structure
of the documents to be scanned, the movement direction, the speed and the
relative position of the scanner is detected, so that with non-uniform
movements and in different speeds, so that it is possible to move with non
uniform movement and in different speeds with the scanner over the
documents. It is thereby possible to scan images and also to recognize,
when the scanner is non uniformly moved over these documents. This
means that it is not necessary to provide movements with the scanner
thoroughly, line by line, over the image.
Advantageously the scanner device is designed selective
removable with a plug 23. Therefore, the scanner device does not have to
be moved when not in use as shown in Figure 4. This is especially
advantageous for a mobile telephone, since the size and the weight are
therefore reduced. The removable scanner 22 can be removed via the plug
connection from the mobile telephone housing and plugged again, so that
after the plugging it forms a substantially compact, convenient and integral
device with the mobile telephone housing, and the mobile telephone
maintains the scanning function and can be operated as a hand scanner, as
shown in Figure 4.
The devices provided for scanning with the mobile telephone,
such as for example the activation switch, the movement sensor, the energy
supply, additional memory components (RAM and ROM) for specific
performance of the scanning functions and data, and the microprocessor are
integrated in the removable housing.
By plugging the removable scanner, between the removable
scanner and the mobile telephone an electrical contact is established
between the two components, for example by a spring force through the
contact point which are thereby produced. Therefore the energy supply and
data transmission are possible between the removable scanner and the
mobile telephone.
By plugging in on the mobile telephone or removable from the
mobile telephone of the removable scanner, the scanning function can be
activated, deactivated or switched over, by closing of an electrical contact
preferably by the spring force.
An additional cover can be arranged on the scanner window,
so that the scanner window is covered or the opening is reduced or
increased. Thereby the width of the scanner to be scanned is adjusted. It
is also possible that several scanner windows are provided, preferably with
different widths and thereby the width to be scanned is varied.
Removable scanner can have different dimensions, so that
depending on a desire, a removable scanner can be plugged on with desired
dimension on the mobile telephone with the scanning function
When the telecommunication device is designed in accordance
with the present invention, it provides for numerous advantages. It is
possible to provide mobile faxing by means of the inventive of the mobile
telephone without the use of additional devices. The mobile telephones can
be used as receiving devices of documents at any location. Various
informations, such as telephone numbers, pricelists, addresses and the like
can be read, without reading or typing. Faxing of binded papers is possible.
It is possible to fax documents having a large format and a small format. It
is possible to fax text portions on one side without faxing the entire page. It
is possible to produce price-favorable fax and mobile telephone devices in
view of the fact that the hand scanner is advantageous when compared to
flat bed scanners, the row-in scanners and digital cameras. It is possible to
produce extremely compact fax and mobile fax devices in view of the fact
that the hand scanners occupy substantially less space than the flat bed
scanners, the row-in scanners and digital cameras.
With the inventive telecommunication device it is possible to fax
very thick and also very thin, torn or dirtied originals, since a handset is
available for any telephone and radio device and the scanner is integrated
in the handset, the receiving unit does not occupy any additional space.
When scanning is performed with the inventive telephone, telefax, mobile
telephone and radio (wireless) device with integrated scanner, the quantity
of the received data varies in dependence on the size of the documents,
which is not the case with receiving the data with the digital camera. For
example, with a digital camera, the received pixel number is the same with
the receipt of a DIN A4 and DIN A3 pages. However, the data quantity
during scanning with the hand scanner varies with the size of the document.
Production and use of the public fax devices can be less sensitive and
damage-prone. It is possible to scan the documents and to recognize when
the scanner is moved non uniformly, so that it is not necessary to move the
scanner thoroughly line by line over the document.
Claims
1. A telecommunication device, comprising a housing; an
optical sensor integrated in said housing for scanning a medium and
converting a pattern of bright and dark or various colors into digital signals,
said scanner being integrated in said housing, said housing being provided
with a scanner window in one of its outer sides, so that said housing together
with said scanner can operate as a hand scanner, and a computing unit
including at least a controller, a microprocessor, a ROM as a carrier of a
system software, and a RAM as a intermediate memory for further
processing and computing.
2. A telecommunication device as defined in claim 1 , wherein
said housing is a handset housing; and further comprising basic telephone
communicating means, said that a communicating device is formed as a
whole as a telephone.
3. A telecommunication device as defined in claim 1 , wherein
said housing is a handset housing; and further comprising basic telefax
communicating means, said that a communicating device is formed as a
whole as a telephone.
4. A telecommunication device as defined in claim 1 , wherein
said housing is a mobile telephone housing; and further comprising mobile
telephone communicating means, so that the communicating device as a
whole is formed as a mobile telephone.
5. A telecommunication device as defined in claim 1 , wherein
said housing is a radio device housing; and further comprising radio device
communicating means, so that said telecommunication device as a whole is
formed as a radio device.
6. A telecommunication device as defined in claim 1 ; and
further comprising an operating element operative for turning and turning off
said scanner.
7. A telecommunication device as defined in claim 1 ; and
further comprising additional means including basic telecommunication
components, a display, an interface for an external device an operator keys,
and a transmitter/receiver, said computing unit and said scanner being
connected with one another and also being connected via a control interface
and a scanner interface with said additional means.
8. A telecommunication device as defined in claim 1 , wherein
said computing unit is formed so that it is operative for controlling
telecommunication functions and scanning functions.
9. A telecommunication device as defined in claim 1 ; and
further comprising an interface for an external device, operative for transmitting data provided by said scanner to a device selected from the
group consisting of a personal computer, a printer, another telephone device,
another telefax device, a radio device and a mobile phone.
10. A telecommunication device as defined in claim 1 ; and
further comprising operator keys operative for controlling faxing, scanning,
telephone, mobile telephone, storage, text processing and image processing
functions.
11. A telecommunication device as defined in claim 10; and
further comprising a menu selection switch which is operative for varying a
functions of said operator keys so that individual operator keys have different
functions.
12. A telecommunication device as defined in claim 1 ; and
further comprising a display which is formed so as to indicate a print, a graphic or an operation of the device, and operator keys for selectively
activating or processing the same.
13. A telecommunication device as defined in claim 1 ; and
further comprising a single energy supply for said scanner and for
communicating means of the telecommunication device.
14. A telecommunication device as defined in claim 2; and
further comprising an infrared transmitter and receiver between said handset
and a telephone device, so that data to be transmitted from said handset and
said scanner are transmitted cableless to a receiving station.
15. A telecommunication device as defined in claim 3; and
further comprising rotatable elements provided at a side of said window and
rotating during scanning; and movement sensors measuring said rotatable elements and determining informations about a speed and movement
direction during scanning for use during an image processing or a text
recognition of a scanned region.
16. A telecommunication device as defined in claim 1 ; and
further comprising a closable cover provided for said window, so that said
window can be covered or an opening of said window can be reduced for an
increased to adjust a width to be scanned.
17. A telecommunication device as defined in claim 1 , wherein
said housing has at least one additional window preferably having a different
width so as to provide variation of widths to be scanned.
18. A telecommunication device as defined in claim 4, wherein
said scanner has a separate removable housing in which it is integrated, so
that said removable housing is removable from said mobile telephone housing or pluggable in it via a plug connection, and therefore after the
plugging a joint housing is formed with said mobile telephone housing and
said mobile telephone operates as a hand scanner.
19. A telecommunication device as defined in claim 18; and
further comprising means an activation switch and a movement sensor
integrated in said removable housing.
20. A telecommunication device as defined in claim 18,
wherein said plug connection has electrical contact points between said
removable scanner housing and said movable telephone housing for
providing energy supply and data transmission between said removable
scanner and said mobile telephone.
21. A telecommunication device as defined in claim 18; and
further comprising an electrical contact which during plugging of said removable scanner on said movable telephone or removable from said
mobile telephone activates or deactives said scanning function.
22. A telecommunication device as defined in claim 18; and
further comprising a removable cover which covers said scanner window or
reduces or increases an opening of said scanner window so as to adjust a
width scannable by said scanner.
23. A telecommunication device as defined in claim 18,
wherein said scanner has several scanner windows for varying a width to be
scanned.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19857769.3 | 1998-12-07 | ||
| DE1998157769 DE19857769A1 (en) | 1998-12-07 | 1998-12-07 | Telephone or telefax device with integrated optical scanner has scanning window provided at one end of telephone handpiece or telephone housing in case of mobile telephone |
| DE19952654.0 | 1999-10-25 | ||
| DE1999152654 DE19952654A1 (en) | 1998-12-07 | 1999-10-25 | Telephone, fax, cell phone or radio with scanner device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2000035183A2 true WO2000035183A2 (en) | 2000-06-15 |
| WO2000035183A3 WO2000035183A3 (en) | 2000-11-09 |
Family
ID=26050761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB1999/002105 WO2000035183A2 (en) | 1998-12-07 | 1999-12-06 | Telecommunication device integrated with a scanner |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE19952654A1 (en) |
| WO (1) | WO2000035183A2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5949054A (en) * | 1995-10-23 | 1999-09-07 | Welch Allyn, Inc. | Bar code reader for reading high to low contrast bar code symbols |
| US6002946A (en) * | 1997-04-14 | 1999-12-14 | Motorola, Inc. | Handheld device having an optical data reader |
| US6035205A (en) * | 1997-03-07 | 2000-03-07 | Samsung Electronics Co., Ltd. | Apparatus and method for enhancing telephone call quality of facsimile system with wireless telephone function |
-
1999
- 1999-10-25 DE DE1999152654 patent/DE19952654A1/en not_active Ceased
- 1999-12-06 WO PCT/IB1999/002105 patent/WO2000035183A2/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5949054A (en) * | 1995-10-23 | 1999-09-07 | Welch Allyn, Inc. | Bar code reader for reading high to low contrast bar code symbols |
| US6035205A (en) * | 1997-03-07 | 2000-03-07 | Samsung Electronics Co., Ltd. | Apparatus and method for enhancing telephone call quality of facsimile system with wireless telephone function |
| US6002946A (en) * | 1997-04-14 | 1999-12-14 | Motorola, Inc. | Handheld device having an optical data reader |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000035183A3 (en) | 2000-11-09 |
| DE19952654A1 (en) | 2001-04-26 |
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