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.

Date of Patent:
Aug. 02, 2022

Filed:

May. 02, 2018
Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Yongcheol Park, Seoul, KR;

Jaeyeol Kim, Seoul, KR;

Joonho Park, Seoul, KR;

Jeongkyo Seo, Seoul, KR;

Gyunghwan Yook, Seoul, KR;

Jaesung Lee, Seoul, KR;

Assignee:

LG ELECTRONICS INC., Seoul, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 50/80 (2016.01); H02J 7/00 (2006.01); G06F 21/44 (2013.01); H04W 52/28 (2009.01); H04W 52/22 (2009.01); H04W 52/34 (2009.01);
U.S. Cl.
CPC ...
H04W 52/286 (2013.01); G06F 21/445 (2013.01); H02J 7/00034 (2020.01); H02J 7/00045 (2020.01); H02J 50/80 (2016.02); H04W 52/223 (2013.01); H04W 52/34 (2013.01);
Abstract

The present invention relates to a device and a method for performing authentication in a wireless power transmission system. Disclosed in the present specification is an authentication method in a wireless power transmission system, comprising the steps of: receiving, from a target device, a first packet including indication information related to whether the target device supports an authentication function; transmitting an authentication request message to the target device if the target device supports the authentication function; receiving, from the target device, an authentication response message including a certificate for wireless charging in response to the authentication request message; and confirming the authentication of the target device on the basis of the authentication response message.


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