Fire detection method and apparatus using overlapping...

Details Fire detection method and apparatus using overlapping... Fire detection method and apparatus using overlapping...

G - Physics

08

B

G08B 17/12 (2006.01) G01J 3/36 (2006.01)

Patent

CA 2236784

An optical fire detector employs two or more sensors operating a different spectral bands. The spectral bands are selected to have approximately coincident cut-off wavelengths in order to make the detector's ability to positively identify a fire more uniform over its field of view. The use of three overlapping spectral bands provides the detector with enhanced detection capabilities for large, hot fires that behave like black body radiators.

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