Fire detector and housing

Details Fire detector and housing Fire detector and housing

1997-05-30

2000-11-28

Westin, Edward P.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

25033914, G01S 502

Patent

active

061538817

ABSTRACT:
A process and system for flame detection includes a microprocessor-controlled detector with at least three sensors. A wide band infrared sensor is used as the primary detector, with near band and visible band sensors serving to detect false-alarm energy from nonfire sources. Digital signal processing is used to analyze sensed data and discriminate against false alarms. A multistage alarm system can be-provided, which is selectively triggered by the microprocessor. Spectral recording and analysis of prefire data is provided for. The detector can be housed in an enclosed, sealed, removable, plastic housing that may include an integral plastic window lens.

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Bjorklund, F.B. et al., "Fire Loss Reducion--Part 1 We've Only Scratched the Surface!," "Fire Loss Reduction, Part II--Technology Holds the Key!," reprint from AID magazine (a publication of the National Alarm Association of America), Mar. 1986.
"Optical Fire Sensors State-of-Art," technical brochure of Fire Sentry Corporation, 1989-90.

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