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公开(公告)号：US20220019302A1
公开(公告)日：2022-01-20
申请号：US17212319
申请日：2021-03-25
Applicant: SENSORTEK TECHNOLOGY CORP.
Inventor： TUN-JU WANG , CHING-JEN TUNG , CHI-HUAN LU , CHUN-YU LIN , YEN-SHAO LIN
Abstract: The application relates to a capacitance sensing circuit, which samples and holds a reference signal to generate an input reference signal, hereby, an input signal is generated to a sensing circuit. Thereby, the sensing circuit generates an output signal according to the input signal and a sensing signal, for the capacitance sensing.
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