Hot body intrusion activated light control unit with...

Details Hot body intrusion activated light control unit with... Hot body intrusion activated light control unit with...

G - Physics

08

B

315/1, 315/42, 3

G08B 13/18 (2006.01) G01V 8/10 (2006.01) G08B 13/19 (2006.01) H03K 17/94 (2006.01) H05B 37/02 (2006.01)

Patent

CA 1259098

HOT BODY INTRUSION ACTIVATED LIGHT CONTROL UNIT WITH DAYLIGHT PHOTOCELL DEACTIVATION OVERRIDE BY WEN-CHIN CHEN "Abstract of the Disclosure" A hot body activated, such as by a person or a car moving into an area scanned through a lens by a passive infrared detector, light control system having an adjustable length turn on duration for each-hot body intrusion turn on cycle. The light control system also includes a photocell deact- ivation sensor that is in a daylight deactivation circuit for the light control system with the light sensing photocell positioned behind lons, that is a multifaceted scan zone lens, along with thc infrared detector. A manuaily switch activated circuit is also provide with the light control system for an emergency blinking light mode of operation as an alarm. -1-

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