GB2312040A - A computer mouse - Google Patents

A computer mouse Download PDF

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Publication number
GB2312040A
GB2312040A GB9607701A GB9607701A GB2312040A GB 2312040 A GB2312040 A GB 2312040A GB 9607701 A GB9607701 A GB 9607701A GB 9607701 A GB9607701 A GB 9607701A GB 2312040 A GB2312040 A GB 2312040A
Authority
GB
United Kingdom
Prior art keywords
mouse
computer
user
code
memory
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.)
Withdrawn
Application number
GB9607701A
Other versions
GB9607701D0 (en
Inventor
Jamieson Crawford
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Priority to GB9607701A priority Critical patent/GB2312040A/en
Publication of GB9607701D0 publication Critical patent/GB9607701D0/en
Publication of GB2312040A publication Critical patent/GB2312040A/en
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03543—Mice or pucks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/82—Protecting input, output or interconnection devices
    • G06F21/83—Protecting input, output or interconnection devices input devices, e.g. keyboards, mice or controllers thereof

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Human Computer Interaction (AREA)
  • Position Input By Displaying (AREA)

Abstract

A mouse 10 for operating a computer 25 includes operating keys 12, and means 11 for verifying or recognising biometric features, such as fingerprints, palm prints, other characteristics of the hands or fingers, or voice , of one or more users to permit or deny access to the computer. The mouse may be linked to the computer by a cable 13 or by infrared transmission means. All the fingerprint verification or recongnition circuitry is contained in the mouse, and initially a fingerprint is sensed by a sensor 24 and stored in memory 21 to identify, on future occasions, an authorised user.

Description

MOUSE FOR A COMPUTER This invention relates to a mouse for operating a computer.
The use of a mouse. in addition to a keyboard, has become well established for personal computers. By moving a mouse over a surface1 such as the surface of a table or desktop, or of a special pad, the user is able to move a representation of a pointer over a computer screen, and can select an operation (described or represented by an icon on the screen) by using one or more buttons carried by the mouse.
One of the main problems with computers, whether stand-alone or connected to a network, is that of security. To prevent unwanted users from gaining access to a given computer or network, a system of passwords is usually employed. With such a system, each time a user starts up his computer. or logs onto a network, he enters a password. Even this system has disadvantages. The user must remember his password, and then enter it each time he logs on. Also, users are often required to change their passwords at regular intervals. Additional security may be provided by making it necessary to reenter the password every time the computer has been left unused for a predetermined period of time, so that if an authorised user is called away from his computer he does not have to log out or switch it off. This approach, however, makes it inconvenient for the authorised user. Furthermore, passwords are not always completely secure; they can be discovered by chance, or as a result of negligence by the authorised user, or by trial and error.
It is an object of the present invention to provide a mouse for a computer which overcomes these disadvantages.
According to the present invention, there is provided a mouse for operating a computer, the mouse including means for verifying or recognising biometric features of one or more users to permit or deny access to the computer.
The means for verifying or recognising biometric features may include a sensor, recognition circuitry responsive to the sensor for providing electrical codes representing one or more biometric features of a user, a memory for storing codes representing said biometric features of one or more authorised users, and verification or recognition circuitry for comparing said electrical codes with said codes stored in memory.
The means for verifying or recognising biometric features preferably comprises fingerprint recognition means.
The mouse of the invention has the advantage that it makes the computer, or the computer network, much more secure than using a password, while at the same time completely removing one level of interface between the user and the computer. In other words, when an authorised user wants to log on to his computer, it is only necessary to touch the mouse (in the recognition mode) or enter his user name and touch the mouse (in the verification mode) and the computer is ready for use. This is also a valuable time saver if the computer uses the 'time-ouP feature, whereby, rather than reentering his password after a timeout, he only needs to touch the mouse. The use of fingerprints for verification of an authorised user has, of course, the added advantage that fingerprints, so far as is known, are unique to a given person, do not need to be remembered, and cannot be discovered like a password can.
A mouse for a computer in accordance with the invention will now be described, by way of example, with reference to the accompanying drawings, in which: Fig. 1 is a perspective view of the mouse; and Fig. 2 is a schematic of the circuits used in the mouse.
Referring to Fig. 1, the mouse 10 of the invention is of the same general configuration and size as any standard mouse, but is modified by the inclusion of a fingerprint verification or recognition device, which may have a sensor comprising a small platen 11. In standard fashion, the mouse has function keys 12, and a cable 13 to connect it to a computer. Altematively, the mouse may be linked to the computer by infra-red transmission means. The mouse may operate by any of the known systems, such as a rolling ball as a movement sensor, or a light and photosensor system using a dedicated mat or pad having a regular pattem of markings.
Although the use of a fingerprint verification or recognition device is described herein, any suitable biometric verification or recognition system may be used, i.e. systems which measure characteristics of the user such as palm prints; sizes, shapes, temperatures, pressures, colours or smells of hands or fingers; or voice.
Examples of fingerprint recognition systems are described in EP-A-0,640,933, EP-A- 0,459,712, EP-A0,348, 182, EP-A-0,071,269 and US-A-5,373,181. Various sensing arrangements are described in these patents, including optical, electrical and pressure sensing devices. They all have in common the fact that they produce a set of electrical signals, or code, representing selected characteristics of the fingerprint In some of these systems, the amount of information required to characterise a fingerprint can be very large. One way of reducing the amount of information needed to characterise a complete fingerprint is described in the article "Little Waves, Big Squeeze", published in the New Scientist, 2 March, 1996. For verification purposes, however, it may not be necessary to characterise the complete fingerprint, but to use only selected features. In order to 'read' the fingerprint consistently, it may be desirable to locate the platen or other sensing area within a cavity of appropriate shape to take the end of a finger, to allow a more accurate placement of the finger.
Referring now to Fig. 2, the mouse contains the necessary circuits to enable it to function as an accessory to a wide range of computers. To this end, it contains all the fingerprint verification or recognition circuitry (rather than relying on the computer for this function). A typical arrangement includes a CPU 20, with its own working memory 21, a programmable read only memory (PROM) 23 such as an EEPROM, for storing the fingerprint recognition software, and a non-volatile memory (NVM) 22, for storing the electrical codes representing the fingerprints of authorised users. Input is provided by an appropriate sensor 24, which may be, for example, an optical, electrical or pressure sensitive sensor. The mouse is connected by cable 13 to a computer 25 such as a personal computer.
In operation, the mouse has two modes; a leam mode, in which a fingerprint is initially recognised and stored to identify, on future occasions, an authorised user, and a normal mode, either for verification or for recognition of the user, in which the mouse will only give computer access to an authorised user.
In an example of the leam mode, the process is as follows: 1) The leam mode is established, for example by inserting a disc containing the initialisation routine software, to enable the mouse to communicate with the computer. In a network system, it might also be made necessary to open up the process by means of a systems administrator.
2) The computer prompts the user for a user name.
3) The user enters the user name into the computer.
4) The computer prompts the user to place the selected finger onto the fingerprint sensor on the mouse.
5) The sensor scans the fingerprint and generates the fingerprint code.
6) The fingerprint code is stored in the NVM against the user name.
7) A unique 'go-code' is generated for each fingerprint (or for the individual mouse).
8) The gocode is stored in both NVM and the computer.
In an example of the normal mode, for verification of the user, the process is as follows: 1) The computer prompts the user for a user name.
2) The user enters the user name into the computer.
3) The computer prompts the user to place the selected finger onto the fingerprint sensor on the mouse.
4) The sensor scans the fingerprint and generates the fingerprint code.
5) The fingerprint code is stored temporarily in CPU memory.
6) The CPU compares this fingerprint code with the fingerprint of the authorised user stored in the NVM.
7) If there is a match, the mouse transmits the go-code to the computer, and the computer allows the user access to the system.
8) If there is no match, the mouse transmits a stop-code to the computer, which denies the user access to the system.
In an example of the normal mode, for recognition of the user, the process is as follows: 1) The computer prompts the user to place the selected finger onto the fingerprint sensor on the mouse.
2) The sensor scans the fingerprint and generates the fingerprint code.
3) The fingerprint code is stored temporarily in CPU memory.
4) The CPU compares this fingerprint code with the fingerprints of the authorised users stored in the NVM.
5) If there is a match, the mouse transmits the go-code to the computer, and the computer allows the user access to the system.
6) If there is no match, the mouse transmits a stopcode to the computer, which denies the user access to the system.
The mouse can be supplied substantially ready for use, along with the relevant initialisation software, which might conveniently be supplied on a floppy disc. Once an authorised user has set up the mouse as described above, no-one else can use the computer unless authorised in the same way as the first authorised user, the authorisation of second and subsequent users being controlled such that for example, only the first authorised user can admit subsequent authorised users, or substitute alternative users.
It is known to use fingerprint recognition to allow access to a computer, as described for example in EP-A-0,348,182, column 7, lines 49 - 59, where a fingerprint recognition system is built in to a keyboard. The mouse of the present invention offers considerable benefits, however, in that it can be used with existing computers or systems without modification, and without the need to add any other components other than replacing the mouse, which is the least expensive part of a computer set-up.

Claims (6)

Claims:
1. Mouse for operating a computer, the mouse including means for verifying or recognising biometric features of one or more users to permit or deny access to the computer.
2. The mouse of claim I wherein said means for verifying or recognising biometric features comprises fingerprint recognition means.
3. The mouse of claim 1 or claim 2 wherein said means for verifying or recognising biometric features includes a sensor, recognition circuitry responsive to the sensor for providing electrical codes representing one or more biometric features of a user, a memory for storing codes representing said biometric features of one or more authorised users, and verification or recognition circuitry for comparing said electrical codes with said codes stored in memory.
4. The mouse of claim 3 including means for entering into the memory, during an initialisation operation, said codes of authorised users, and means for preventing changes to said stored codes other than by authorised users.
5. The mouse of claim 4 wherein, during the initialisation operation, the mouse generates a mouse recognition code, and instructs the computer to operate only in response to that mouse code, the mouse code being generated either randomly during initialisation, or being a unique code preprogrammed into the mouse, or being generated from predetermined parameters of the electrical codes representing the biometric feature.
6. The mouse of any one of claims 1 to 5 wherein said memory is a non-volatile memory, and wherein the code of an authorised user can be changed only in response to successful verification or recognition of the biometric feature, or in response to the entry of a password.
GB9607701A 1996-04-13 1996-04-13 A computer mouse Withdrawn GB2312040A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9607701A GB2312040A (en) 1996-04-13 1996-04-13 A computer mouse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9607701A GB2312040A (en) 1996-04-13 1996-04-13 A computer mouse

Publications (2)

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GB9607701D0 GB9607701D0 (en) 1996-06-19
GB2312040A true GB2312040A (en) 1997-10-15

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Cited By (49)

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EP0896271A2 (en) * 1997-08-07 1999-02-10 Nec Corporation Password input apparatus
GB2330401A (en) * 1997-10-17 1999-04-21 Ultronics Limited Joystick actuator with security system, eg for use with electrohydraulic valves
WO1999024894A1 (en) * 1997-11-06 1999-05-20 Datasec Electronic Gmbh System for protecting a data processing device from unauthorised access
EP0923018A2 (en) * 1997-12-10 1999-06-16 Nec Corporation Personal authentication system
WO1999035964A1 (en) * 1998-01-16 1999-07-22 Bault Richard V Device for authenticating a person on the basis of his fingerprints
DE19816117A1 (en) * 1998-04-09 1999-10-14 Primax Electronics Ltd Electronic code controlled access to computer system
WO1999060531A1 (en) * 1998-05-18 1999-11-25 Fingerpin Ag Device for recognizing living organisms or objects
DE19832638A1 (en) * 1998-07-10 2000-01-13 Maik Fischer Input arrangement for authentication of user for access control
EP0982648A2 (en) * 1998-08-27 2000-03-01 Siemens PC Systeme GmbH & Co. KG Arrangement for identifying a person authorised to access a data processing system by means of a fingerprint
EP0984351A2 (en) * 1998-09-02 2000-03-08 Fujitsu Limited Notebook computer with detachable infrared multi-mode input device
WO2000038103A2 (en) * 1998-12-21 2000-06-29 Microsoft Corporation Image sensing operator input device
EP0924657A3 (en) * 1997-12-22 2001-08-16 TRW Inc. Remote idendity verification technique using a personal identification device
EP1150453A2 (en) * 2000-04-26 2001-10-31 Semiconductor Energy Laboratory Co., Ltd. A communication system and method for identifying an individual by means of biological information
WO2002048968A2 (en) * 2000-12-15 2002-06-20 Binder Juergen Method and device for monitoring equipment
WO2002061550A2 (en) * 2001-02-01 2002-08-08 3M Innovative Properties Company Method and system for securing a computer network and personal identification device used therein for controlling access to network components
WO2003003282A1 (en) * 2001-06-28 2003-01-09 Trek 2000 International Ltd. A portable device having biometrics-based authentication capabilities
WO2003003283A1 (en) * 2001-06-28 2003-01-09 Trek 2000 International Ltd. A portable device having biometrics-based authentication capabilities
EP1302843A1 (en) * 2000-06-16 2003-04-16 Clarion Co., Ltd. Disk drive unit
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DE10214559A1 (en) * 2002-04-01 2003-10-16 Rene Baltus Ergonomic computer or three-dimensional mouse usable in three-dimensions remains stationary during operation; ergonomically correct, supported upright hand attitude is adopted for operation
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US6950539B2 (en) * 1998-09-16 2005-09-27 Digital Persona Configurable multi-function touchpad device
BE1016194A3 (en) * 2004-09-09 2006-05-02 Mantec User`s biometric identification device for e.g. use as safety device for e.g. suitcase, has memory, biometric unit and microprocessor confined in case, and another memory and microprocessor generating signals confined in another case
US7068254B2 (en) 2000-05-09 2006-06-27 Semiconductor Energy Laboratory Co., Ltd. User identity authentication system and user identity authentication method and mobile telephonic device
US7418255B2 (en) 2002-02-21 2008-08-26 Bloomberg Finance L.P. Computer terminals biometrically enabled for network functions and voice communication
US7523069B1 (en) * 1999-11-05 2009-04-21 Fronium International Gmbh Assessing and/or determining of user authorizations using a transponder, a finger print recognition routine or the like
CN100492310C (en) * 2001-03-08 2009-05-27 施米尔·莱文 Method and apparatus for automatically controlling access
WO2009042392A3 (en) * 2007-09-24 2009-08-27 Apple Inc. Embedded authentication systems in an electronic device
US7650470B2 (en) 2001-06-28 2010-01-19 Trek 2000 International, Ltd. Method and devices for data transfer
US7787666B2 (en) 1999-12-17 2010-08-31 Nokia Mobile Phones Ltd. Sensing data input
US8429416B2 (en) 2002-07-31 2013-04-23 Trek 2000 International Ltd. Method and apparatus of storage anti-piracy key encryption (SAKE) device to control data access for networks
US8601009B2 (en) 2000-05-11 2013-12-03 Semiconductor Energy Laboratory Co., Ltd. Communication system
CN104217148A (en) * 2013-05-30 2014-12-17 原相科技股份有限公司 Guide device and method for triggering security setting thereof
US9342674B2 (en) 2003-05-30 2016-05-17 Apple Inc. Man-machine interface for controlling access to electronic devices
US9847999B2 (en) 2016-05-19 2017-12-19 Apple Inc. User interface for a device requesting remote authorization
US9898642B2 (en) 2013-09-09 2018-02-20 Apple Inc. Device, method, and graphical user interface for manipulating user interfaces based on fingerprint sensor inputs
US10142835B2 (en) 2011-09-29 2018-11-27 Apple Inc. Authentication with secondary approver
US10395128B2 (en) 2017-09-09 2019-08-27 Apple Inc. Implementation of biometric authentication
US10438205B2 (en) 2014-05-29 2019-10-08 Apple Inc. User interface for payments
US10484384B2 (en) 2011-09-29 2019-11-19 Apple Inc. Indirect authentication
US10521579B2 (en) 2017-09-09 2019-12-31 Apple Inc. Implementation of biometric authentication
US10860096B2 (en) 2018-09-28 2020-12-08 Apple Inc. Device control using gaze information
US11100349B2 (en) 2018-09-28 2021-08-24 Apple Inc. Audio assisted enrollment
US11170085B2 (en) 2018-06-03 2021-11-09 Apple Inc. Implementation of biometric authentication
US11209961B2 (en) 2012-05-18 2021-12-28 Apple Inc. Device, method, and graphical user interface for manipulating user interfaces based on fingerprint sensor inputs
US11676373B2 (en) 2008-01-03 2023-06-13 Apple Inc. Personal computing device control using face detection and recognition
US12079458B2 (en) 2016-09-23 2024-09-03 Apple Inc. Image data for enhanced user interactions
US12099586B2 (en) 2021-01-25 2024-09-24 Apple Inc. Implementation of biometric authentication

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Cited By (127)

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Publication number Priority date Publication date Assignee Title
EP0896271A2 (en) * 1997-08-07 1999-02-10 Nec Corporation Password input apparatus
EP0896271A3 (en) * 1997-08-07 2005-01-05 Nec Corporation Password input apparatus
GB2330401A (en) * 1997-10-17 1999-04-21 Ultronics Limited Joystick actuator with security system, eg for use with electrohydraulic valves
WO1999024894A1 (en) * 1997-11-06 1999-05-20 Datasec Electronic Gmbh System for protecting a data processing device from unauthorised access
EP0923018A2 (en) * 1997-12-10 1999-06-16 Nec Corporation Personal authentication system
EP0923018A3 (en) * 1997-12-10 2005-12-07 Nec Corporation Personal authentication system
EP0924657A3 (en) * 1997-12-22 2001-08-16 TRW Inc. Remote idendity verification technique using a personal identification device
WO1999035964A1 (en) * 1998-01-16 1999-07-22 Bault Richard V Device for authenticating a person on the basis of his fingerprints
FR2773898A1 (en) * 1998-01-16 1999-07-23 Richard V Rault Device for authenticating a person on the basis of his fingerprints
US6353472B1 (en) 1998-01-16 2002-03-05 Richard V. Bault Device for authenticating a person on the basis of his fingerprints
DE19816117A1 (en) * 1998-04-09 1999-10-14 Primax Electronics Ltd Electronic code controlled access to computer system
WO1999060531A1 (en) * 1998-05-18 1999-11-25 Fingerpin Ag Device for recognizing living organisms or objects
DE19832638A1 (en) * 1998-07-10 2000-01-13 Maik Fischer Input arrangement for authentication of user for access control
EP0982648A2 (en) * 1998-08-27 2000-03-01 Siemens PC Systeme GmbH & Co. KG Arrangement for identifying a person authorised to access a data processing system by means of a fingerprint
DE19839017A1 (en) * 1998-08-27 2000-03-02 Siemens Nixdorf Inf Syst Arrangement for recognizing fingerprints
EP0982648A3 (en) * 1998-08-27 2003-02-19 Fujitsu Siemens Computers GmbH Arrangement for identifying a person authorised to access a data processing system by means of a fingerprint
DE19839017C2 (en) * 1998-08-27 2001-10-25 Siemens Nixdorf Inf Syst Arrangement for identifying a person authorized to access a data processing system using a fingerprint
US7298359B2 (en) 1998-09-02 2007-11-20 Fujitsu Limited Notebook computer with detachable infrared multi-mode input device
EP1457918A1 (en) * 1998-09-02 2004-09-15 Fujitsu Limited Notebook computer with detachable infrared multi-mode input device
EP0984351A3 (en) * 1998-09-02 2003-05-07 Fujitsu Limited Notebook computer with detachable infrared multi-mode input device
EP1691264A1 (en) * 1998-09-02 2006-08-16 Fujitsu Limited Notebook computer with detachable infrared multi-mode input device
EP0984351A2 (en) * 1998-09-02 2000-03-08 Fujitsu Limited Notebook computer with detachable infrared multi-mode input device
US6950539B2 (en) * 1998-09-16 2005-09-27 Digital Persona Configurable multi-function touchpad device
US6303924B1 (en) 1998-12-21 2001-10-16 Microsoft Corporation Image sensing operator input device
WO2000038103A2 (en) * 1998-12-21 2000-06-29 Microsoft Corporation Image sensing operator input device
US6373047B1 (en) 1998-12-21 2002-04-16 Microsoft Corp Image sensing operator input device
WO2000038103A3 (en) * 1998-12-21 2000-10-26 Microsoft Corp Image sensing operator input device
EP1026570A3 (en) * 1999-02-04 2004-10-27 Dieter Bartmann Method for identifying the identity of a person
US7523069B1 (en) * 1999-11-05 2009-04-21 Fronium International Gmbh Assessing and/or determining of user authorizations using a transponder, a finger print recognition routine or the like
US7787666B2 (en) 1999-12-17 2010-08-31 Nokia Mobile Phones Ltd. Sensing data input
US8209462B2 (en) 2000-02-21 2012-06-26 Trek 2000 International Ltd. Portable data storage device
US6880054B2 (en) 2000-02-21 2005-04-12 Trek Technology (Singapore) Pte. Ltd. Portable data storage device having a secure mode of operation
EP1150453A3 (en) * 2000-04-26 2002-01-09 Semiconductor Energy Laboratory Co., Ltd. A communication system and method for identifying an individual by means of biological information
US7836491B2 (en) 2000-04-26 2010-11-16 Semiconductor Energy Laboratory Co., Ltd. System for identifying an individual, a method for identifying an individual or a business method
EP1150453A2 (en) * 2000-04-26 2001-10-31 Semiconductor Energy Laboratory Co., Ltd. A communication system and method for identifying an individual by means of biological information
US7365750B2 (en) 2000-05-09 2008-04-29 Semiconductor Energy Laboratory Co., Ltd. User identity authentication system and user identity authentication method and mobile telephonic device
US7068254B2 (en) 2000-05-09 2006-06-27 Semiconductor Energy Laboratory Co., Ltd. User identity authentication system and user identity authentication method and mobile telephonic device
US8601009B2 (en) 2000-05-11 2013-12-03 Semiconductor Energy Laboratory Co., Ltd. Communication system
EP1302843A4 (en) * 2000-06-16 2004-04-21 Clarion Co Ltd Disk drive unit
EP1302843A1 (en) * 2000-06-16 2003-04-16 Clarion Co., Ltd. Disk drive unit
WO2002048968A3 (en) * 2000-12-15 2002-11-21 Juergen Binder Method and device for monitoring equipment
WO2002048968A2 (en) * 2000-12-15 2002-06-20 Binder Juergen Method and device for monitoring equipment
WO2002061550A3 (en) * 2001-02-01 2003-08-21 3M Innovative Properties Co Method and system for securing a computer network and personal identification device used therein for controlling access to network components
US7310734B2 (en) 2001-02-01 2007-12-18 3M Innovative Properties Company Method and system for securing a computer network and personal identification device used therein for controlling access to network components
WO2002061550A2 (en) * 2001-02-01 2002-08-08 3M Innovative Properties Company Method and system for securing a computer network and personal identification device used therein for controlling access to network components
CN100492310C (en) * 2001-03-08 2009-05-27 施米尔·莱文 Method and apparatus for automatically controlling access
WO2003003282A1 (en) * 2001-06-28 2003-01-09 Trek 2000 International Ltd. A portable device having biometrics-based authentication capabilities
WO2003003283A1 (en) * 2001-06-28 2003-01-09 Trek 2000 International Ltd. A portable device having biometrics-based authentication capabilities
US7650470B2 (en) 2001-06-28 2010-01-19 Trek 2000 International, Ltd. Method and devices for data transfer
US9378347B2 (en) 2002-02-21 2016-06-28 Bloomberg Finance L.P. Computer terminals biometrically enabled for network functions and voice communication
US7418255B2 (en) 2002-02-21 2008-08-26 Bloomberg Finance L.P. Computer terminals biometrically enabled for network functions and voice communication
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