Patent ID: 11941602
Assignee: LG ELECTRONICS INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H  Y | IPC G  H

Claim 0:
1. A wireless power receiver comprising:
a power pick-up circuit configured to form a magnetic coupling with a wireless power transmitter to receive wireless power from the wireless power transmitter; and
a communication/control circuit configured to perform at least one of transmission control of the wireless power and transmission and reception of data based on communication with the wireless power transmitter,
wherein the wireless power receiver is configured to:
transmit a configuration packet to the wireless power transmitter in a configuration phase via in-band communication,
wherein the configuration packet includes an out-band (OB) flag informing whether out-of-band communication is supported or not,
establish the out-of-band communication with the wireless power transmitter,
perform a payment procedure for wireless power transmission by receiving a check message for checking payment information from the wireless power transmitter via the out-of-band communication, and
provide a user interface related to information for the payment procedure.