Vehicle alarm system

Details Vehicle alarm system Vehicle alarm system

1980-06-05

1982-11-30

Waring, Alvin H.

Communications: electrical

Selective

Having indication or alarm

340566, 340568, G08B 1316

Patent

active

043618278

ABSTRACT:
Pick-up means convert mechanical vibrations into an electrical signal at a corresponding frequency. The pick-up means is attached to a portion of the vehicle, which is mechanically coupled to the hubcap or wheel cover. A circuit responds to the electrical signal to provide an operating signal to generate an alarm.

REFERENCES:
patent: 2741675 (1956-04-01), Chase et al.
patent: 2885504 (1959-05-01), Yurtz
patent: 3160868 (1964-12-01), Kowanda
patent: 4001805 (1977-01-01), Golbe
patent: 4012728 (1977-03-01), Fowler
patent: 4013995 (1977-03-01), Adamo
patent: 4040008 (1977-08-01), Sanabria
patent: 4103285 (1978-07-01), Lloyd et al.
patent: 4151507 (1979-04-01), Willis
patent: 4196429 (1980-04-01), Davis
patent: 4220831 (1980-09-01), Zink

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