Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1996-07-31
2000-04-04
Porta, David P.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
2502521A, 340587, G01J 142, G08B 2900
Patent
active
060464526
ABSTRACT:
The present invention provides a highly sensitive, intelligent, reliable, and effective process and system for detecting fire, which may be used in any industrial or other environment. The process and system for flame detection in accordance with the present invention features wide infrared spectrum sensitivity, which facilitates increased sensitivity to any sign of a flame or fire. The process and system of the present invention utilizes digital processing and analysis of data, calibration of operation parameters from temperture data, an intelligent controller (microprocessor) for discriminating against false alarms, and an elaborate multi-stage alarm system, selectively triggered by the controller.
REFERENCES:
patent: 4701624 (1987-10-01), Kern et al.
patent: 4742236 (1988-05-01), Kawakami et al.
patent: 5399856 (1995-03-01), Sandridge et al.
patent: 5552763 (1996-09-01), Kirby
Castleman David A.
Lapp Theodore R.
Selstad Chris A.
Fire Sentry Systems Inc.
Hanig Richard
Porta David P.
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