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:
Dec. 03, 2019
Filed:
Nov. 18, 2015
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventor:
Jay Park, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 50/50 (2016.01); H02J 50/60 (2016.01); H02J 50/12 (2016.01); H04B 5/00 (2006.01); H02J 50/80 (2016.01); H02J 7/02 (2016.01);
U.S. Cl.
CPC ...
H02J 50/60 (2016.02); H02J 50/12 (2016.02); H04B 5/0037 (2013.01); H02J 7/025 (2013.01); H02J 50/80 (2016.02);
Abstract
A method for detecting a foreign object of a wireless power transmitting apparatus according to an embodiment of the present invention includes: outputting ping signals periodically for sensing a wireless power receiving apparatus; sensing input current for the ping signals; comparing the sensed input current with a predetermined current value; and when the sensed input current for a plurality of the ping signals exceeds the predetermined current value, determining that there is a foreign object on a surface of the wireless power transmitting apparatus.