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

Claim 17:
18. The wireless charging method according to claim 16, 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
wherein monitoring the power statuses of the resonance coils and controlling enabling or disabling of the resonance coils based on the power statuses comprises:
obtaining powers of the resonance coils after the 2n−1 resonance coil groups are enabled;
comparing powers of the resonance coil groups; and
selecting and enabling a resonance coil group with a maximum power that is not equal to “0”.