Patent ID: 11949253
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 14:
15. A method of performing wireless charging by a power transmission device, the method comprising:
wirelessly transmitting power to a power reception device through at least one coil among a plurality of coils;
identifying a condition indicating a state in which a coil to transmit power related to charging of the power reception device is to be reconfigured;
transmitting a coil selection packet (CSP) to the power reception device, based on satisfaction of the condition;
identifying a signal strength packet (SSP) of at least one other coil adjacent to the at least one coil; and
wirelessly transmitting power to the power reception device through a coil having a largest SSP among an SSP of the at least one coil and the identified SSP of the at least one other coil.