G - Physics – 08 – C
Patent
G - Physics
08
C
G08C 17/00 (2006.01) G06F 3/02 (2006.01) G06F 3/023 (2006.01) H03K 17/96 (2006.01)
Patent
CA 2376739
A touch sensor is provided which detects manual contact by a user to actuate a controlled device. The touch sensor includes a substrate, an RF signal transmitter including a plurality of first conductors, and an RF signal receiver including a plurality of second conductors. The first and second conductors are located in spaced, interdigitated alignment with one another on the substrate, to form a key having a geometry which affords substantial coverage thereof by a human appendage. The RF signal receiver includes an RF signal amplifier electrically coupled to the second conductors. A processor is electrically coupled to the RF signal receiver to detect variations in signal strength corresponding to coverage of the key by a human appendage to selectively actuate the controlled device.
Invensys Appliance Controls Company
Nexus Law Group Llp
LandOfFree
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