Control and method for a capacitive sensor system
First Claim
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1. An e-field sensor touch switch control system comprising:
- an output having a first output voltage based on a static capacitance sensed by an e-field sensor; and
a gain module that generates a final output voltage based on amplifying a difference between an offset voltage and said first output voltage.
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Abstract
A control and method for an e-field sensor touch switch system includes an output having a first output voltage based on a static capacitance sensed by an e-field sensor and a gain module that generates a final output voltage based on amplifying a difference between an offset voltage and the first output voltage.
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Citations
21 Claims
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1. An e-field sensor touch switch control system comprising:
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an output having a first output voltage based on a static capacitance sensed by an e-field sensor; and a gain module that generates a final output voltage based on amplifying a difference between an offset voltage and said first output voltage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A control method for an e-field sensor touch switch system comprising:
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generating a first output voltage based on a static capacitance sensed by an e-field sensor; and generating a final output voltage based on amplifying a difference between an offset voltage and said first output voltage. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. A control system for an e-field sensor touch switch system comprising:
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at least one e-field sensor that senses capacitance; a control module that selectively generates an offset voltage for said at least one e-field sensor based on said capacitance; and an output having a final voltage based on said offset voltage and a first output voltage, wherein said control module controls the appliance based on said final voltage.
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Specification