Patent ID: 11953350
Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G

Claim 15:
16. An electronic device, comprising a capacitance detection apparatus,
the capacitance detection apparatus comprises:
a sensing module, a connecting circuit, and a differential detection circuit configured to detect changes in capacitance of the sensing module;
the sensing module comprising: a substrate, and a first sensing layer and a second sensing layer respectively located on two sides of the substrate,
a first sensing unit of the first sensing layer is opposite to a second sensing unit of the second sensing layer;
the first sensing unit and the second sensing unit are electrically connected to the differential detection circuit through the connecting circuit, respectively,
wherein the electronic device is an earphone, and a sensing module of the capacitance detection apparatus is arranged around a speaker of the earphone;
a first sensing layer of the sensing module is arranged on a side close to a user, and a second sensing layer of the sensing module is arranged on a side facing away from the user.