Optical Flame Detection

Kidde Aerospace and Defense's Optical Flame Detection (OFD) utilizes the 4.3 micrometer (µ) infrared band to sense fires. The KAD OFD utilizes digital signal processing circuitry to discriminate between the flicker from fire and background infrared sources such as a hot engine for engine compartment applications as well as discriminates against non-fire sources such as natural and manmade light.

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