Rapid fire-detection device for armored vehicles

Details Rapid fire-detection device for armored vehicles Rapid fire-detection device for armored vehicles

1987-01-07

1989-08-29

Wan, Gene

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250342, G01J 100

Patent

active

048619981

ABSTRACT:
A device for the rapid detection of hydrocarbon fire inside an armored vehicle. Infrared radiation resulting from the appearance of the fire is detected using lithium tantalate as a pyroelectric sensor for producing a voltage signal. A voltage pulse is produced at the beginning of the infrared radiation. Alternatively, the current signal of the pyroelectric sensor may be used and subsequently integrated. Fire is detected by the presence of both infrared and ultraviolet radiation.

REFERENCES:
patent: 3707695 (1972-12-01), Yamaka
patent: 3742474 (1973-06-01), Muller
patent: 4280058 (1981-07-01), Tar
patent: 4384207 (1983-05-01), Doctor
patent: 4415806 (1983-11-01), Tar
patent: 4463260 (1984-07-01), Ikeda
patent: 4694172 (1987-09-01), Powell et al.
Optics Communications, vol. 40, No. 5, Feb. 1982, pp. 361-363, North Holland, Amsterdam, NL; M. M. Pradhan et al.: "Remote Sensing of Temperature by a TGS Pyroelectric Detector".

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