Non-contact control

Details Non-contact control Non-contact control

E - Fixed Constructions

03

C

342/15, 342/17.1

E03C 1/05 (2006.01) G01P 13/00 (2006.01) G01S 13/04 (2006.01) G05D 7/06 (2006.01) G01S 13/88 (2006.01)

Patent

CA 1296082

-ABSTRACT- NON-CONTACT CONTROL Control means is provided for non-contact control of equipment such as a solenoid valve (2) controlling water flow from a faucet (6). The control means comprises a motion detector based on strip antennas (14, 15) which transmit and receive microwave frequency electromagnetic radiation into and out of a preselected detection volume (18). A receiving circuit (16) of the control means may be adjusted so as to vary the detection volume (18), and is provided with timing means (24) which ensure sustained operation of the equipment even when motion detected in the detection volume (18) is sporadic. The control means finds particular application to faucets such as those used to supply water to sinks or basins.

575701

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