G - Physics – 01 – J
Patent
G - Physics
01
J
342/13.1, 340/12
G01J 5/46 (2006.01) G01J 5/10 (2006.01)
Patent
CA 1135383
CONTROL DEVICE RESPONSIVE TO INFRARED RADIATION Abstract of the Disclosure A device responsive to infrared radiation can control a current line to such items as interior lighting or room air conditioners in older to activate these items in response to the presence or absence of a person within their service area. The device includes an infrared detector comprised of a thermopile formed by thin-film techniques for producing detection signals amplified by a series of amplifier stages having filters passing only signals corresponding to motion of a human body. The amp- lified signals are led to the reset port of a timing circuit which will open the current line when no human motion is sensed within a predetermined time period. Further, the housing for the device includes a protruding neck portion carrying the infrared detector and adapted to be held by a retaining nut after insertion through a ceiling unit or the like. -1-
354603
Blissett Kitson
Dunbar Robert A.
Adcom Systems Corporation
Macrae & Co.
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