Pulsed infrared sensor to detect the presence of a person or obj

Details Pulsed infrared sensor to detect the presence of a person or obj Pulsed infrared sensor to detect the presence of a person or obj

1993-11-23

1996-04-16

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

2502221, 4304, H01J 4014

Patent

active

055085105

ABSTRACT:
Pulsed infrared sensor including a solenoid to detect the presence of a person or object whereupon the solenoid is activated to regulate fluid flow, including a microprocessor for receiving inputs from a plurality of sources and to provide outputs to a plurality of receivers for the control of the fluid flow, and a collection of inputs receivable by the microprocessor from sources activated in response to infrared rays received after transmission from an infrared transmitter including a remote transmitter associated with the microprocessor to activate a fluid supply control to control the supply of fluid to the fixture.

REFERENCES:
patent: 3670167 (1972-06-01), Forbes
patent: 4767922 (1988-08-01), Stauffer
patent: 4793588 (1988-12-01), Laverty, Jr.
patent: 4915347 (1990-04-01), Iqbal et al.
patent: 4938384 (1990-07-01), Pilolla et al.
patent: 4972070 (1990-11-01), Laverty, Jr.
patent: 5025516 (1991-06-01), Wilson
patent: 5225689 (1993-07-01), Buckle et al.

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