Active entry delay device

Details Active entry delay device Active entry delay device

1987-01-30

1989-05-30

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular system function

340527, 340426, 340429, G08B 2300

Patent

active

048355186

ABSTRACT:
An active entry delay device which uses a wired or wireless momentary switch to be placed at edge of door or car door, so that the entry delay device can be initiated by turning on the switch; if the switch is not turned on before opening of door/car door, there will not be any entry delay, and alarm system will be triggered to sound alarm immediately.

REFERENCES:
patent: 3585584 (1971-06-01), Behrend
patent: 3833895 (1974-09-01), Fecteau
patent: 3969709 (1976-07-01), Isaacs et al.
patent: 4092643 (1978-05-01), Stolarczyk
patent: 4257038 (1981-03-01), Rounds et al.

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