Patent ID: 11923690
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. The wireless charging apparatus according to claim 2, wherein the n resonance coils form 2n−1 resonance coil groups in a manner of a single coil or a combination of a plurality of resonance coils, and the controller is further configured to:
obtain powers of the resonance coils after the 2n−1 resonance coil groups are enabled;
compare powers of the resonance coil groups;
select, as a resonance coil group that needs to be enabled, a resonance coil group with a maximum power that is not equal to “0”; and
send an enabling instruction to the resonance coil group that needs to be enabled.