Combining trans-capacitance data with absolute-capacitance data for touch force estimates

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United States of America Patent

PATENT NO 10108303
APP PUB NO 20170285797A1
SERIAL NO

15088026

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Abstract

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Techniques for obtaining force-based data of an input device are provided. The techniques include driving sensor electrodes in transcapacitive mode and in absolute capacitive mode, obtaining profiles for each of the modes, scaling the transcapacitive profile, and subtracting the scaled transcapacitive profile from the profile for absolute capacitive sensing. The result of this subtraction is force-based data that indicates the degree of force with that input object applies to the input device.

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  • SYNAPTICS INCORPORATED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shepelev, Petr Campbell, US 108 1616
Wingard, Andrew San Jose, US 1 11

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