Anti-theft system for a motor vehicle

Details Anti-theft system for a motor vehicle Anti-theft system for a motor vehicle

1997-07-30

1998-10-06

Tong, Nina

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

3404255, 1231792, 180167, 180287, 307 102, 307 103, 307 104, 307 105, B60R 2510

Patent

active

058183302

ABSTRACT:
An anti-theft system for a motor vehicle includes a portable code transmitter which transmits a code signal from a distance upon actuation. A receiver unit in the motor vehicle receives the code signal and evaluates it. Upon authorization, only the engine is started, but the vehicle does not have to be unlocked. A further code signal is required in order to drive the vehicle. However, it must be generated in the vehicle interior. Thus the engine can already warm up without the user being located in the vicinity of the vehicle.

REFERENCES:
patent: 4080537 (1978-03-01), Bucher
patent: 5042439 (1991-08-01), Tholl et al.
patent: 5184584 (1993-02-01), Cantrell
patent: 5519376 (1996-05-01), Iijima
patent: 5610574 (1997-03-01), Mutoh et al.
patent: 5612578 (1997-03-01), Drew
patent: 5673017 (1997-09-01), Dery et al.

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