Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1986-10-10
1993-11-30
Buczinski, Stephen C.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
250342, 340555, 340556, 340557, 340573, 340600, 361173, 361175, G01J 100, G08B 1318, G08B 1712
Patent
active
052668070
ABSTRACT:
The present invention teaches an improved passive infrared detection system for use in controlling electrical wiring devices and systems in residential, commercial and industrial environments. Interior or exterior lighting, by way of example only, and the power or current feeding same, is controlled such that the presence of a body entering a predetermined zone, such as a room, will be detected in an improved manner and will trigger a series of events resulting in the switching of the lights on or off, as desired. The detecting portion of the combination comprising the present invention is capable of receiving presence signals 360 degrees about a reference line, thereby greatly increasing the ability of the system of this invention to detect body presence within any interior area, for example. This qualifies the present system to function as an improved security system.
REFERENCES:
patent: 3551676 (1970-12-01), Runnels
patent: 4268752 (1981-05-01), Herwig et al.
patent: 4346427 (1982-08-01), Blissett et al.
patent: 4514630 (1985-04-01), Takahashi
Buczinski Stephen C.
Leviton Manufacturing Co. Inc.
Sutton Paul J.
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