The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 23, 2025
Filed:
Nov. 01, 2022
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Yongcheol Park, Seoul, KR;
Jinho Youn, Seoul, KR;
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 50/80 (2016.01); H02J 50/10 (2016.01); H04W 12/06 (2021.01); H04B 5/79 (2024.01);
U.S. Cl.
CPC ...
H02J 50/80 (2016.02); H02J 50/10 (2016.02); H04W 12/06 (2013.01); H04B 5/79 (2024.01);
Abstract
Provided are: a wireless power transfer method performed in a wireless power transfer system by a wireless power transmitter; and a device using same. The method: performs first authentication with a wireless power receiver in a power transfer phase related to transferring the wireless power; receives authentication token information in the power transfer phase from the wireless power receiver after or during the first authentication; and performs second authentication with the wireless power receiver in a new negotiation phase on the basis of the authentication token information after leaving the power transfer phase.