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GB2278158A - Vehicle immobilizer - Google Patents

Vehicle immobilizer

Info

Publication number
GB2278158A
GB2278158A GB9413764A GB9413764A GB2278158A GB 2278158 A GB2278158 A GB 2278158A GB 9413764 A GB9413764 A GB 9413764A GB 9413764 A GB9413764 A GB 9413764A GB 2278158 A GB2278158 A GB 2278158A
Authority
GB
United Kingdom
Prior art keywords
processor
immobilizing
engine
information stored
key
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.)
Granted
Application number
GB9413764A
Other versions
GB2278158B (en
GB9413764D0 (en
Inventor
Geoffrey Francis Hart
Brain Tapp
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9518764A priority Critical patent/GB2291128B/en
Priority to GB9518765A priority patent/GB2291129B/en
Publication of GB9413764D0 publication Critical patent/GB9413764D0/en
Publication of GB2278158A publication Critical patent/GB2278158A/en
Application granted granted Critical
Publication of GB2278158B publication Critical patent/GB2278158B/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
    • B60R25/21—Means to switch the anti-theft system on or off using hidden switches
    • 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
    • B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
    • B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
    • 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
    • B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
    • B60R25/1003—Alarm systems characterised by arm or disarm features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Abstract

In order to provide a device for immobilizing a vehicle in which it is not obvious to a thief that the vehicle has been immobilized and which immobilizer can only be operated by a person in possession of an electrically coded key, the immobilizer comprises a processor (7) and means (10) for immobilizing the engine (9) in response to an immobilizing signal driven by the processor (7) a set period of time after the engine is started. The key (1) having coded information stored therein is engageable with a receiver (4) which is electrically connected to the processor (7), the processor giving an override signal if the information stored in the key (1) matches information stored in the processor (7), whereby the immobilizing means does not immobilize the engine (4). <IMAGE>
GB9413764A 1992-01-07 1993-01-07 Vehicle immobilizer Expired - Fee Related GB2278158B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9518764A GB2291128B (en) 1992-01-07 1993-01-07 An immobilizer for an engine
GB9518765A GB2291129B (en) 1992-01-07 1993-01-07 Vehicle immobilizer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB929200229A GB9200229D0 (en) 1992-01-07 1992-01-07 Vehicle immobilizer
PCT/GB1993/000015 WO1993013968A1 (en) 1992-01-07 1993-01-07 Vehicle immobilizer

Publications (3)

Publication Number Publication Date
GB9413764D0 GB9413764D0 (en) 1994-09-28
GB2278158A true GB2278158A (en) 1994-11-23
GB2278158B GB2278158B (en) 1996-03-27

Family

ID=10708203

Family Applications (2)

Application Number Title Priority Date Filing Date
GB929200229A Pending GB9200229D0 (en) 1992-01-07 1992-01-07 Vehicle immobilizer
GB9413764A Expired - Fee Related GB2278158B (en) 1992-01-07 1993-01-07 Vehicle immobilizer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB929200229A Pending GB9200229D0 (en) 1992-01-07 1992-01-07 Vehicle immobilizer

Country Status (3)

Country Link
AU (1) AU3261793A (en)
GB (2) GB9200229D0 (en)
WO (1) WO1993013968A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4315758C1 (en) * 1993-05-11 1994-10-06 Carton Angela Security system
JP3427572B2 (en) * 1994-09-26 2003-07-22 株式会社デンソー Anti-theft devices for vehicles, etc.
EP0719682B1 (en) * 1994-12-28 2000-02-23 Mazda Motor Corporation Anti-vehicle-theft apparatus
US5637929A (en) * 1996-01-16 1997-06-10 Ford Motor Company Method and apparatus for enhanced vehicle protection
US5977654A (en) * 1997-09-25 1999-11-02 Johnson Controls Technology Company Anti-theft System for disabling a vehicle engine that includes a multi-contact switch for disconnecting the battery and loading the vehicle electrical system
DE102007037685A1 (en) 2007-08-10 2009-02-12 Bayerische Motoren Werke Aktiengesellschaft Electromechanical parking brake for a motor vehicle
US8838325B2 (en) 2011-09-12 2014-09-16 Ford Global Technologies Vehicle shut-down functionality for peps-equipped vehicles

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452197A (en) * 1982-08-11 1984-06-05 Weber Harold J Vehicle anti-theft ignition foiling device
US4749873A (en) * 1985-07-25 1988-06-07 Toyota Jidosha Kabushiki Kaisha Anti-theft device for an automobile
US4777377A (en) * 1985-09-06 1988-10-11 Jeter Herman C Vehicle anti-theft system
EP0377128A1 (en) * 1988-12-30 1990-07-11 Griesemer, Albert Ignition system for motor vehicles

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4192400A (en) * 1978-02-09 1980-03-11 Mcewan John A Jump-proof electrical disenabling system
US4438426A (en) * 1981-10-22 1984-03-20 Darrell E. Issa Electronic key anti-theft system
IL73589A (en) * 1984-11-21 1988-12-30 Zuck Or Ltd Vehicle theft prevention apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452197A (en) * 1982-08-11 1984-06-05 Weber Harold J Vehicle anti-theft ignition foiling device
US4749873A (en) * 1985-07-25 1988-06-07 Toyota Jidosha Kabushiki Kaisha Anti-theft device for an automobile
US4777377A (en) * 1985-09-06 1988-10-11 Jeter Herman C Vehicle anti-theft system
EP0377128A1 (en) * 1988-12-30 1990-07-11 Griesemer, Albert Ignition system for motor vehicles

Also Published As

Publication number Publication date
GB2278158B (en) 1996-03-27
GB9200229D0 (en) 1992-02-26
WO1993013968A1 (en) 1993-07-22
GB9413764D0 (en) 1994-09-28
AU3261793A (en) 1993-08-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990107