Vehicle anti-tampering anti-theft protection system

Details Vehicle anti-tampering anti-theft protection system Vehicle anti-tampering anti-theft protection system

1974-06-28

1976-06-01

Caldwell, John W.

Communications: electrical

Selective

Having indication or alarm

340 64, 307 10AT, 180114, B60R 2504, B60R 2410

Patent

active

039613100

ABSTRACT:
A theft protection and alarm system for vehicles including a latching solenoid fuel cutoff valve, and a vibration and motion sensitive switch together with door, trunk and hood switches for actuating an audible alram. The alarm system is turned on and off by a novel key-operated switch. Conductors carried in electrical cables extending between the major components of the system normally energize a relay to maintain its contacts open. If one or more of the cables is cut, the contacts close sounding the alarm.

REFERENCES:
patent: 1747194 (1930-02-01), Thomas
patent: 3304380 (1967-02-01), Mitchell
patent: 3317904 (1967-05-01), Clay
patent: 3358481 (1967-12-01), Roszkowski
patent: 3522394 (1970-07-01), Bellrose
patent: 3687216 (1972-08-01), Tracy
patent: 3714628 (1973-01-01), Sloger
patent: 3720284 (1973-03-01), Myers
patent: 3756341 (1973-09-01), Tonkowich et al.
patent: 3834484 (1974-09-01), Sangster

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