ANTI-THEFT DEVICE FOR VEHICLE

PROBLEM TO BE SOLVED: To hold a constitution of an immobilizer system including a registration method of a new mechanical key unchanged as much as possible when a smart keyless entry system is added to the immobilizer system, and to prevent the new mechanical key 1 from being fraudulently registered...

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Bibliographische Detailangaben
1. Verfasser: YOSHII TERUO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To hold a constitution of an immobilizer system including a registration method of a new mechanical key unchanged as much as possible when a smart keyless entry system is added to the immobilizer system, and to prevent the new mechanical key 1 from being fraudulently registered even if a set of one mechanical key and a portable unit 2 are given to a third person. SOLUTION: The anti-theft device for the vehicle is constituted such that a smart keyless entry control unit 5 performs collation of key discrimination code in addition to collation of portable unit discrimination code and upon regular determination that it is determined that the mechanical key 1 or the portable unit 2 is regular, the same key discrimination code as any one of a plurality of regular mechanical keys 1 is transmitted to an engine control unit 10. The key discrimination code transmitted to the engine control unit 10 is made to have the same key discrimination code so long as one mechanical key 1 and the portable unit 2 are used. COPYRIGHT: (C)2005,JPO&NCIPI