Touch switch with integral control circuit
First Claim
Patent Images
1. An electronic sensor apparatus comprising:
- a first electrode;
a second electrode;
a signal source; and
a control circuit, said control circuit comprising;
an input section having a first input channel and a second input channel;
a decision section having a first input, a second input, and an output; and
an output section;
said first input channel coupled to said signal source, to said first electrode, and to said first input of said decision section, said first input channel comprising at least one first input channel electrical component;
said second input channel coupled to said signal source, to said second electrode, and to said second input of said decision section, said second input channel comprising at least one second input channel electrical component, each of said second input channel electrical components corresponding to one of said first input channel electrical components; and
said output of said decision section coupled to said output section;
wherein each of said second input channel electrical components is electrically matched to the corresponding first input channel electrical component.
1 Assignment
0 Petitions
Accused Products
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.
-
Citations
66 Claims
-
1. An electronic sensor apparatus comprising:
-
a first electrode;
a second electrode;
a signal source; and
a control circuit, said control circuit comprising;
an input section having a first input channel and a second input channel;
a decision section having a first input, a second input, and an output; and
an output section;
said first input channel coupled to said signal source, to said first electrode, and to said first input of said decision section, said first input channel comprising at least one first input channel electrical component;
said second input channel coupled to said signal source, to said second electrode, and to said second input of said decision section, said second input channel comprising at least one second input channel electrical component, each of said second input channel electrical components corresponding to one of said first input channel electrical components; and
said output of said decision section coupled to said output section;
wherein each of said second input channel electrical components is electrically matched to the corresponding first input channel electrical component. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
-
-
36. An electronic sensor apparatus comprising:
-
a first electrode;
a signal source; and
a control circuit, said control circuit comprising;
an input section having a first input channel and a second input channel;
a decision section having a first input, a second input, and an output; and
an output section;
said first input channel coupled to said signal source, to said first electrode, and to said first input of said decision section, said first input channel comprising at least one first input channel electrical component;
said second input channel coupled to said signal source and to said second input of said decision section, said second input channel comprising at least one second input channel electrical component, each of said second input channel electrical components corresponding to one of said first input channel electrical components; and
said output of said decision section coupled to said output section;
wherein each of said second input channel electrical components is electrically matched to the corresponding first input channel electrical component. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66)
-
Specification