US 12,424,883 B2
Method and device for authentication in wireless power transfer system
Yongcheol Park, Seoul (KR); and Jinho Youn, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 18/706,317
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Nov. 1, 2022, PCT No. PCT/KR2022/016931
§ 371(c)(1), (2) Date Apr. 30, 2024,
PCT Pub. No. WO2023/075570, PCT Pub. Date May 4, 2023.
Claims priority of application No. KR10-2021-0148183 (KR), filed on Nov. 1, 2021.
Prior Publication US 2024/0421640 A1, Dec. 19, 2024
Int. Cl. H02J 50/80 (2016.01); H02J 50/10 (2016.01); H04W 12/06 (2021.01); H04B 5/79 (2024.01)
CPC H02J 50/80 (2016.02) [H02J 50/10 (2016.02); H04W 12/06 (2013.01); H04B 5/79 (2024.01)] 19 Claims
OG exemplary drawing
 
1. A method for transferring a wireless power in a wireless power transfer system, the method performed by a wireless power transmitter and comprising:
performing first authentication with a wireless power receiver in a power transfer phase related to transferring the wireless power;
receiving authentication token information from the wireless power receiver after or during the first authentication in the power transfer phase; and
performing a second authentication with the wireless power receiver based on the authentication token information in a new negotiation phase after exiting the power transfer phase.