AMBIENT LIGHT SENSOR IN A HAZARD DETECTOR AND A METHOD OF USING THE SAME

AMBIENT LIGHT SENSOR IN A HAZARD DETECTOR AND A METHOD OF USING THE SAME

A method of operating an alarm device including a processor and a light detector, the method including for operating the light detector to sample a light intensity within an interior space a plurality of times to produce a plurality of light intensity measurements, operating the processor to determi...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Chandler Bill, Mott Ken, Buchholz Matthew J
Format: Patent
Sprache:eng
Schlagworte:
ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Beschreibung
Zusammenfassung:A method of operating an alarm device including a processor and a light detector, the method including for operating the light detector to sample a light intensity within an interior space a plurality of times to produce a plurality of light intensity measurements, operating the processor to determine a light intensity value, wherein the light intensity value is based upon the plurality of light intensity measurements, and operating the processor to decide whether a night cycle can be determined based on the light intensity values.