Electronic burglar alarm for vehicles

Details Electronic burglar alarm for vehicles Electronic burglar alarm for vehicles

1977-05-12

1978-07-04

Waring, Alvin H.

Communications: electrical

Selective

Having indication or alarm

307 10AT, B60R 2510

Patent

active

040991580

ABSTRACT:
An electronic burgler alarm for vehicles essentially comprising a pair of controlled diodes and related control circuitry for activating an alarm. In the preferred embodiment, the device is made from solid state components assembled in a unitary package and having four terminals that readily adapt the device for connection, respectively, to the positive side of a battery, to the load or alarm to be activated, to the chassis of the vehicle through a manually set switch, and to the door switch of the vehicle which operates an interior light.

REFERENCES:
patent: 3710317 (1973-01-01), Colsen et al.

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