Theft warning system

Details Theft warning system Theft warning system

1985-02-22

1986-03-04

Crosland, Donnie L.

Communications: electrical

Selective

Having indication or alarm

340 63, 340523, 340528, 340542, 340 52R, 307 10AT, 180173, B60R 2504, E05B 4506

Patent

active

045742685

ABSTRACT:
A theft warning system for use in a vehicle, which issues a warning to protect vehicle contents when a vehicle door is opened without use of a door key. The theft warning condition is set only when all doors are closed while all the door lock devices are locked. The theft warning system generates a theft warning signal when the final open door is closed and locked without use of a door key and one of the door lock devices subsequently is unlocked without a door key.

REFERENCES:
patent: 3858175 (1974-12-01), Kopera, Jr.
patent: 4035791 (1977-07-01), Katayama
patent: 4479110 (1984-10-01), Cipri

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