Smoke and flame detection

Details Smoke and flame detection Smoke and flame detection

2006-02-21

2006-02-21

Wu, Daniel (Department: 2632)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S578000, C340S579000, C340S522000, C340S588000, C340S589000, C382S100000, C382S103000, C382S203000

Reexamination Certificate

active

07002478

ABSTRACT:
A method of operating a computer for smoke and flame detection comprising the steps of: receiving digitised images of the region to be monitored; comparing pixels of one of said images with pixels of another said image according to two predetermined procedures to produce a flame present decision and a smoke present decision; and providing a fire detected signal according to said smoke present and flame present decisions.

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