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GB2304950B - A vehicle security system - Google Patents

A vehicle security system

Info

Publication number
GB2304950B
GB2304950B GB9517336A GB9517336A GB2304950B GB 2304950 B GB2304950 B GB 2304950B GB 9517336 A GB9517336 A GB 9517336A GB 9517336 A GB9517336 A GB 9517336A GB 2304950 B GB2304950 B GB 2304950B
Authority
GB
United Kingdom
Prior art keywords
security system
vehicle security
vehicle
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 - Fee Related
Application number
GB9517336A
Other versions
GB9517336D0 (en
GB2304950A (en
Inventor
Jeremy John Greenwood
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.)
MG Rover Group Ltd
Original Assignee
MG Rover Group Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MG Rover Group Ltd filed Critical MG Rover Group Ltd
Priority to GB9517336A priority Critical patent/GB2304950B/en
Publication of GB9517336D0 publication Critical patent/GB9517336D0/en
Priority to DE1996131331 priority patent/DE19631331A1/en
Publication of GB2304950A publication Critical patent/GB2304950A/en
Application granted granted Critical
Publication of GB2304950B publication Critical patent/GB2304950B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G07C9/00182—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
    • 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
    • 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
    • G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G07C2009/00793—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by Hertzian waves
    • 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
    • G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
    • G07C2209/06—Involving synchronization or resynchronization between transmitter and receiver; reordering of codes

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)
GB9517336A 1995-08-24 1995-08-24 A vehicle security system Expired - Fee Related GB2304950B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9517336A GB2304950B (en) 1995-08-24 1995-08-24 A vehicle security system
DE1996131331 DE19631331A1 (en) 1995-08-24 1996-08-02 Vehicle security system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9517336A GB2304950B (en) 1995-08-24 1995-08-24 A vehicle security system

Publications (3)

Publication Number Publication Date
GB9517336D0 GB9517336D0 (en) 1995-10-25
GB2304950A GB2304950A (en) 1997-03-26
GB2304950B true GB2304950B (en) 1999-08-11

Family

ID=10779696

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9517336A Expired - Fee Related GB2304950B (en) 1995-08-24 1995-08-24 A vehicle security system

Country Status (2)

Country Link
DE (1) DE19631331A1 (en)
GB (1) GB2304950B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19847649A1 (en) * 1998-09-17 2000-03-23 Volkswagen Ag Generating motor vehicle theft protection system involves performing match of exchange code for previous legal start-up(s) in addition to current exchange code to permit start-up process
GB0110976D0 (en) * 2001-05-04 2001-06-27 Meritor Light Vehicle Sys Ltd Scanning device
WO2015181221A1 (en) * 2014-05-27 2015-12-03 Johnson Controls Gmbh Method for wireless communication between a vehicle and a portable communication device
DE102016220620A1 (en) 2016-10-20 2018-04-26 Volkswagen Aktiengesellschaft Method for releasing a remotely controllable vehicle function and vehicle locking system

Also Published As

Publication number Publication date
GB9517336D0 (en) 1995-10-25
GB2304950A (en) 1997-03-26
DE19631331A1 (en) 1997-02-27

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090824