Target based smoke detection system

A smoke detector includes processing circuitry coupled to a camera. The field-of-view of the camera contains one or more targets, each having spatial indicia thereon. At least a portion of one of the targets is coated, at least in part, by an infra-red absorbing dye. The dye produces visually discer...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: AU KWONG WING, SHOAFF THOMAS W, LANG SCOTT R
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A smoke detector includes processing circuitry coupled to a camera. The field-of-view of the camera contains one or more targets, each having spatial indicia thereon. At least a portion of one of the targets is coated, at least in part, by an infra-red absorbing dye. The dye produces visually discernable dark areas on the coated target(s).