Automobile burglary detecting circuit

Details Automobile burglary detecting circuit Automobile burglary detecting circuit

1986-09-26

1988-10-11

Orsino, Jr., Joseph A.

Communications: electrical

Selective

Having indication or alarm

340538, 340310A, B60R 2500

Patent

active

047774681

ABSTRACT:
An automobile burglary detecting circuit for use with an automobile electrical system having an electrical accessory activated by a switch. The detecting circuit also includes a signal generator for imposing an oscillating signal on the electrical system, and a signal detector which detects the signal from the system. An alternative embodiment includes a further signal generator which is responsive to the signal detector, and which imposes a second oscillating signal on the electrical system. The second oscillating signal is detected by a filter which activates an alarm.

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"Pulsafe Vehicle Security System", brochure, (circa 1984).

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