Vehicle security system

Details Vehicle security system Vehicle security system

2007-02-06

2007-02-06

Hofsass, Jeffery (Department: 2612)

Communications: electrical

Selective

Intelligence comparison for controlling

C340S005220, C340S426160, C340S426110, C340S005310, C340S005610, C340S005850, C340S425500, C307S010500, C307S010200

Reexamination Certificate

active

10974687

ABSTRACT:
When transmitting an instruction for activating an immobilizer function to a subject vehicle, a base station also transmits a given ID code for releasing the immobilizer function. An immobilizer ECU that receives the instruction and the given ID code, prohibits an engine from being started by other than a key having the given ID code. Therefore, a regular user alone, who owns a key having the given ID code, can start the engine.

REFERENCES:
patent: 5479157 (1995-12-01), Suman et al.
patent: 5686765 (1997-11-01), Washington
patent: 6525643 (2003-02-01), Okada et al.
patent: 2002/0027501 (2002-03-01), Yamanaka et al.
patent: 2003/0160692 (2003-08-01), Nonaka
patent: A-2003-146185 (2003-05-01), None

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