Dual measurement for high sensitivity capacitive sensing applications and related systems, methods and devices
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United States of America
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Jan 25, 2022
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Jul 16, 2020
app pub date -
Apr 8, 2019
filing date -
Apr 8, 2019
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Abstract
Disclosed embodiments relate, generally, to a dual measurement technique for capacitance sensing, and related systems and methods. In one embodiment, a capacitance sensing method characterized by moisture tolerance is performed and another capacitance sensing method characterized by proximity tolerance is performed. In one embodiment, the method characterized by moisture tolerance is a driven-shield self-capacitance sensing measurement, and the method characterized by proximity tolerance is a grounded-shield self-capacitance sensing measurement.
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