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GB9920190D0 - A security system - Google Patents

A security system

Info

Publication number
GB9920190D0
GB9920190D0 GB9920190A GB9920190A GB9920190D0 GB 9920190 D0 GB9920190 D0 GB 9920190D0 GB 9920190 A GB9920190 A GB 9920190A GB 9920190 A GB9920190 A GB 9920190A GB 9920190 D0 GB9920190 D0 GB 9920190D0
Authority
GB
United Kingdom
Prior art keywords
security system
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.)
Withdrawn
Application number
GB9920190A
Other versions
GB2353620A (en
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Priority to GB9920190A priority Critical patent/GB2353620A/en
Publication of GB9920190D0 publication Critical patent/GB9920190D0/en
Publication of GB2353620A publication Critical patent/GB2353620A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/20—Means to switch the anti-theft system on or off
    • B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
    • 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
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • 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
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G07C2009/00388—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks code verification carried out according to the challenge/response method
    • G07C2009/00396—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks code verification carried out according to the challenge/response method starting with prompting the keyless data carrier
    • 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
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G07C2009/0042—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed
    • G07C2009/00476—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed dynamically
    • G07C2009/005—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed dynamically whereby the code is a random code

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
GB9920190A 1999-08-27 1999-08-27 Security system Withdrawn GB2353620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9920190A GB2353620A (en) 1999-08-27 1999-08-27 Security system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9920190A GB2353620A (en) 1999-08-27 1999-08-27 Security system

Publications (2)

Publication Number Publication Date
GB9920190D0 true GB9920190D0 (en) 1999-10-27
GB2353620A GB2353620A (en) 2001-02-28

Family

ID=10859827

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9920190A Withdrawn GB2353620A (en) 1999-08-27 1999-08-27 Security system

Country Status (1)

Country Link
GB (1) GB2353620A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10226684A1 (en) * 2002-06-15 2003-12-24 Bosch Gmbh Robert Arrangement for an access authorization system, in particular for a motor vehicle
US6842106B2 (en) 2002-10-04 2005-01-11 Battelle Memorial Institute Challenged-based tag authentication model
FR2911900B1 (en) * 2007-01-30 2009-02-27 Siemens Vdo Automotive Sas HANDSFREE ACCESS DEVICE FOR A VEHICLE, SUITABLE FOR CONTROLLING THE UNLOCKING OF AT LEAST ONE PORT OF THE VEHICLE
ES2527793T3 (en) * 2010-08-23 2015-01-29 3M Innovative Properties Co. Method and device for question-answer authentication
IL232413B (en) * 2014-05-01 2018-07-31 Knock Nlock Ltd Electrically activated lock

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237622A1 (en) * 1982-10-11 1984-04-12 Bayerische Motoren Werke AG, 8000 München SECURITY DEVICE

Also Published As

Publication number Publication date
GB2353620A (en) 2001-02-28

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)