Discrimination circuitry for fire and explosion suppression appa

Fire extinguishers – Special applications – Condition responsive control

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Details

340527, 340587, A62C 3718, G08B 1700

Patent

active

045096015

ABSTRACT:
Discrimination apparatus for use in a fire and explosion detection and suppression system which includes plural detectors and suppression apparatus operated thereby and including apparatus for sensing detection by a first number of detectors within a predetermined time period and providing an output signal only when the first plurality of detectors detect within the predetermined time period and apparatus operative in response to the output signal for inhibiting operation of the suppression apparatus.

REFERENCES:
patent: 3653016 (1972-03-01), Cormier
patent: 3665440 (1972-05-01), McMenamin
patent: 3831318 (1974-08-01), Richmond
patent: 4270613 (1981-06-01), Spector et al.

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