Patent ID: 11870293
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. The method according to claim 10, further comprising:
obtaining a voltage and a current that are output by the rectifier circuit, and obtaining an output power based on the voltage and the current; and
when the operating frequency is greater than or equal to the first frequency threshold and less than or equal to the second frequency threshold, the capacitance values of the capacitors that are in the capacitor-switch networks and that are connected to the wireless charging receiver circuit are less than the preset capacitance threshold, and the output power is less than a preset power threshold, adjusting an output level at each output end, to control the first controllable switch device and the second controllable switch device in each capacitor-switch network to be closed or opened, to increase the capacitance values of the capacitors that are in the N capacitor-switch networks and that are connected to the wireless charging receiver circuit.