US 12,149,102 B2
Wireless power transmission device, wireless power reception device, and authentication method therefor
Jinho Youn, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/909,956
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Mar. 8, 2021, PCT No. PCT/KR2021/002827
§ 371(c)(1), (2) Date Sep. 7, 2022,
PCT Pub. No. WO2021/182818, PCT Pub. Date Sep. 16, 2021.
Claims priority of application No. 10-2020-0029087 (KR), filed on Mar. 9, 2020.
Prior Publication US 2023/0107178 A1, Apr. 6, 2023
Int. Cl. H02J 7/00 (2006.01); H02J 50/80 (2016.01)
CPC H02J 7/00045 (2020.01) [H02J 50/80 (2016.02)] 14 Claims
OG exemplary drawing
 
1. A wireless power receiver for receiving a wireless power from a wireless power transmitter comprising:
a power pickup circuit configured to receive the wireless power from the wireless power transmitter; and
a communication/control circuit configured to communicate with the wireless power transmitter and control a transmission of the wireless power,
wherein the communication/control circuit is configured to:
perform an authentication protocol which transmits an authentication request message to the wireless power transmitter and receives an authentication response message in response to the authentication request message from the wireless power transmitter,
receive, from the wireless power transmitter, a reset message requesting reset of the authentication protocol while performing the authentication protocol,
restart the authentication protocol,
wherein the communication/control circuit is configured to delete the received authentication response message based on the reset message.