Method and device for protecting motor vehicles against theft

Details Method and device for protecting motor vehicles against theft Method and device for protecting motor vehicles against theft

2005-02-01

2005-02-01

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

C340S426160, C340S005720, C340S005210, C340S005600, C307S010200

Reexamination Certificate

active

06850154

ABSTRACT:
A code signal generator (3) of a system for protecting against theft remains in the motor vehicle while it is not operating, this code signal generator (3) is disabled as soon as a door of the motor vehicle is opened and closed again and/or a security device (8, 9) is locked with another authorized code signal generator (3). The disabled code signal generator (3) is enabled again only if, after the opening of a door or after the unlocking of a locking device (8, 9), another code signal generator (3) in the vicinity outside the vehicle is recognized as authorized and a request signal which is triggered manually by the user for enabling the disabled code signal generator (3) is received by the control unit (1).

REFERENCES:
patent: 6075454 (2000-06-01), Yamasaki
patent: 6194997 (2001-02-01), Buchner et al.
patent: 197 11 901 c1 (1998-08-01), None

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