Burglar alarm built in car stereo

Details Burglar alarm built in car stereo Burglar alarm built in car stereo

1984-08-20

1987-01-20

Rowland, James L.

Communications: electrical

Selective

Having indication or alarm

340693, 340 64, 307 10AT, 180287, B60R 2500

Patent

active

046382933

ABSTRACT:
An alarm system for an automobile comprising an alarm circuit chip built into the car stereo housing and interfaced with the stereo circuitry. The alarm system is controlled and programmed by the same selector buttons and controls which operate the car stereo when in an alarm mode. Some of the sensors for the alarm system are disposed in conventional circuit portions of the car, such as the door, hood and trunk light circuits.

REFERENCES:
patent: 4162479 (1979-07-01), Nickell et al.
patent: 4187496 (1980-02-01), Kovens et al.
patent: 4205300 (1980-05-01), Ho et al.
patent: 4220947 (1980-09-01), Yamamoto
patent: 4262279 (1981-04-01), Dubilirer
patent: 4302747 (1981-11-01), Belmuth

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