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

Claim 6:
7. 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;
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; and
a device unit providing a display on one side and being communicatively connected to the communication/control circuit,
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,
control the device unit to 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 connected to a display of the device unit in relation to information for the payment procedure.