Fire and smoke detection and control system

Details Fire and smoke detection and control system Fire and smoke detection and control system

1997-07-28

1999-08-31

Hofsass, Jeffery A.

Communications: electrical

Traffic control indicator

Combined

340930, 340932, G08B 1710

Patent

active

059459247

ABSTRACT:
A fire detection system combines a CO.sub.2 gas detector with a smoke detector. Logic circuitry combines the outputs of both detectors to minimize false alarms and provide a rapid response time. In a preferred embodiment the need for periodic cleaning is reduced. In a further preferred embodiment, two alarms indicative of two different types of fires, for example flaming fires and nonflaming fires are available. A map of flaming fire and smoke may be assembled by the system to guide the firefighters. In a yet another preferred embodiment, a tentative fire alarm indication disables a local air conditioning system thereby helping to isolate and control any existing fire.

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patent: 5691703 (1997-11-01), Roby et al.

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