Patent ID: 11910148
Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 18:
19. A device, comprising:
double-layer sensors; and an apparatus, wherein the apparatus for determining a capacitance reference, applied to a device with double-layer capacitive sensors, the apparatus comprising:
an obtaining module, configured to obtain a first differential capacitance value of the double-layer capacitive sensors, the first differential capacitance value being a minimum differential capacitance value among a plurality of differential capacitance values of the double-layer capacitive sensors obtained according to a preset sampling period within a preset time period when the device is out of a box, and the box being a matching device paired with the device and used to receive the device; and
a processing module, configured to determine a latest differential capacitance reference value according to the first differential capacitance value and a differential capacitance reference value.