Capacitive sensor and measurement system
First Claim
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1. A system comprising:
- a capacitive sensor including a first electrode and a second electrode; and
a measurement system configured to sense a capacitance between the first electrode and the second electrode and apply a first offset to the sensed capacitance to provide an offset compensated capacitance,wherein the measurement system is configured to sense a conductance between the first electrode and the second electrode and apply a second offset to the sensed conductance to provide an offset compensated conductance.
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Abstract
A system includes a capacitive sensor including a first electrode and a second electrode. The system includes a measurement system configured to sense a capacitance between the first electrode and the second electrode and apply a first offset to the sensed capacitance to provide an offset compensated capacitance.
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Citations
11 Claims
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1. A system comprising:
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a capacitive sensor including a first electrode and a second electrode; and a measurement system configured to sense a capacitance between the first electrode and the second electrode and apply a first offset to the sensed capacitance to provide an offset compensated capacitance, wherein the measurement system is configured to sense a conductance between the first electrode and the second electrode and apply a second offset to the sensed conductance to provide an offset compensated conductance. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for sensing, the method comprising:
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providing a capacitive sensor including a first electrode and a second electrode; sensing a capacitance between the first electrode and the second electrode; applying a first offset signal to the sensed capacitance to provide an offset compensated capacitance; sensing a conductance between the first electrode and the second electrode; and applying a second offset signal to the sensed conductance to provide an offset compensated conductance. - View Dependent Claims (8, 9, 10, 11)
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Specification