Car theft proofing system

Details Car theft proofing system Car theft proofing system

1989-08-11

1991-01-15

Crosland, Donnie L.

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

340539, 340542, 307 102, 200 6164, 70416, 70DIG49, 70DIG51, 180173, 180287, B60R 2510

Patent

active

049856944

ABSTRACT:
A car theft proofing system includes a sensor attached to a door lock mechanism for detecting insertion into the door lock mechanism of a door key or other article, an alarm device for giving an alarm, an alarm drive device for driving the alarm device, a control unit for causing the alarm device to give the alarm in response to signals received from the sensor and the alarm drive device, and a radio transmitter for transmitting a radio wave upon insertion of the article. The alarm drive device includes a portable remote control transmitter and a receiver disposed on a car body. The remote control transmitter includes an abnormally alarm for transmitting a theft signal in response to the radio wave transmitted from the radio transmitter.

REFERENCES:
patent: 3668526 (1972-06-01), Raskin
patent: 3936673 (1976-02-01), Kelly et al.
patent: 4628300 (1986-12-01), Amato
patent: 4665385 (1987-05-01), Henderson
patent: 4855710 (1989-08-01), Kikuchi et al.

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