Surveillance control apparatus for security system

Details Surveillance control apparatus for security system Surveillance control apparatus for security system

1984-11-05

1987-04-14

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular system function

340518, 340525, 34082507, 34082508, 34082529, 34082554, G08B 2600

Patent

active

046582436

ABSTRACT:
In a polling type surveillance control apparatus for a security system, inherent addresses are assigned to respective terminal devices such as smoke detectors, temperature sensors, gas leakage detectors, fire partitions and smoke dampers. When a self address detector in the terminal device detects a coincidence between the address signal from a central station and a preset self address, the terminal device indicates it has been accessed or energized and power control thereof may also be performed.

REFERENCES:
patent: 3350687 (1967-10-01), Gabrielson et al.
patent: 3469243 (1969-09-01), Willcox et al.
patent: 3516063 (1970-06-01), Arkin et al.
patent: 3882465 (1975-05-01), Cook et al.
patent: 4148021 (1979-04-01), Watanabe
patent: 4468655 (1984-08-01), Iwata
patent: 4494111 (1985-01-01), Rocci et al.

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