Patent ID: 11949467
Assignee: LG ELECTRONICS INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A wireless power receiver supporting heterogeneous communication, comprising:
a power pick-up unit configured to receive a digital ping signal or wireless power from a wireless power transmitter through magnetic coupling with the wireless power transmitter at an operating frequency and to convert an alternating current (AC) signal generated by the wireless power into a direct current (DC) signal;
a communication/control unit configured to receive the DC signal from the power pick-up unit and to perform at least one of in-band communication based on the operating frequency or out-band communication based on a frequency other than the operating frequency; and
a load configured to receive the DC signal from the power pick-up unit,
wherein the communication/control unit transmits, to the wireless power transmitter, a combined signal strength packet including at least one of information for a strength of the digital ping signal or information for switching to the out-band communication through the in-band communication,
wherein the combined signal strength packet includes a signal strength value field including information for the strength of the digital ping signal,
wherein the signal strength value field informs the strength of the digital ping signal based on a signal strength value belonging to a first range and the signal strength value field informs switching to the out-band communication based on the signal strength value not belonging to the first range,
wherein the communication/control unit performs an operation of transmitting a signal strength packet for each of a plurality of coils included in the wireless power transmitter, and
wherein the power pick-up unit receives the digital ping signal from an operating coil selected based on the signal strength packet and the communication/control unit transmits the combined signal strength packet including information about the switching to the out-band communication in response to the digital ping signal.