Device for preventing the theft of motor vehicles

Details Device for preventing the theft of motor vehicles Device for preventing the theft of motor vehicles

1988-07-06

1989-08-01

Bertsch, Richard A.

Motor vehicles

With means for promoting safety of vehicle, its occupant or...

By preventing unauthorized or unintended access or use

340428, 307 102, B60R 2500, B60R 2504

Patent

active

048526819

ABSTRACT:
An anti-theft device for motor vehicles which operates by cutting off the electrical supply to the ignition by a relay supplied by a central electronic unit which is connected in series with the "on" contact of the anti-theft steering lock of the vehicle characterized in that the relay is connected to the central unit through at least one transistor and to ground by a switch device which is maintained open while the engine is running.

REFERENCES:
patent: 4485887 (1984-12-01), Morano
patent: 4533016 (1985-08-01), Betton
patent: 4672225 (1987-06-01), Hanisko
patent: 4682062 (1987-07-01), Weinberger
patent: 4733638 (1988-03-01), Anderson

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