Auto theft alarm

Details Auto theft alarm Auto theft alarm

1990-07-27

1991-11-05

Crosland, Donnie L.

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

340665, 340683, 340686, 340689, B60R 2510

Patent

active

050633694

ABSTRACT:
A fail safe auto theft alarm includes a sound maker coupled to a complex switch includes a plurality of switches in series. One switch can deactivate the alarm. An activation switch is coupled to the shock absorber so that the alarm is activated only by motion up and down of the auto such as occurs during driving. A delay can prevent activation by single impacts. A pulser can generate an alarm unique to stolen autos. The switch is activated during theft by a rod coupled to the rear shock, then up into the trunk to activate the switch. The switch deactivation switch may be hidden on the dash panel of the auto.

REFERENCES:
patent: 3914738 (1975-10-01), Hager
patent: 4040008 (1977-08-01), Sanabria
patent: 4204100 (1980-05-01), Reichert
patent: 4356364 (1982-10-01), Soto

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