Touch switch with integral control circuit
First Claim
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1. A touch responsive switching device, comprising:
- a first electrode;
a second electrode in proximity to said first electrode;
an integrated control circuit in proximity to said first and said second electrodes;
said integrated control circuit comprising a differential measuring circuit and a latch circuit.
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Abstract
A touch switch apparatus for detecting the presence of an object such as a human appendage, the apparatus having a touch pad, an electric field generated about the touch pad and also having a preferably integrated and local control circuit connected to the touch pad and to a controlled device. The touch switch apparatus also having at least one of an input circuit portion for providing input signals to a decision circuit, swamping capacitance, active blocking devices, peak detector circuits, and a dual connection output latch circuit portion.
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1 Claim
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1. A touch responsive switching device, comprising:
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a first electrode;
a second electrode in proximity to said first electrode;
an integrated control circuit in proximity to said first and said second electrodes;
said integrated control circuit comprising a differential measuring circuit and a latch circuit.
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Specification