Energy efficient alarm system and regulative central control uni

Details Energy efficient alarm system and regulative central control uni Energy efficient alarm system and regulative central control uni

1990-06-18

1992-09-01

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular system function

340509, 340546, 340693, G08B 2900

Patent

active

051442833

ABSTRACT:
An alarm system includes an electronic central controller or control unit with an internal intrusion sensor. The controller is powered by a single nine volt battery. The system can be expanded by adding auxiliary sensors such as sound discriminators, glass breakage sensors and other low power battery operated sensors. The controller can perform all of the functions normally associated with large A.C. powered systems such as factory adjustable entry/exit and reset delays, entrance monitoring, and controlling of lights and message dialers. The system can be adapted for use in mobile environments.

REFERENCES:
patent: 4319228 (1982-03-01), Daniels
patent: 4339746 (1982-07-01), Ulicki et al.
patent: 4586028 (1986-04-01), McKinzie
patent: 4742336 (1988-05-01), Hall et al.

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