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:
Oct. 13, 2020
Filed:
Nov. 29, 2018
Lg Electronics Inc., Seoul, KR;
Yongcheol Park, Seoul, KR;
Hyunbeom Lee, Seoul, KR;
Jaesung Lee, Seoul, KR;
Byungsang Jung, Seoul, KR;
Jinmoo Park, Seoul, KR;
Seonghun Lee, Seoul, KR;
Jihyun Lee, Seoul, KR;
Jeongkyo Seo, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A wireless power transmitter which is capable of charging a plurality of wireless power receivers is discussed. The wireless power transmitter includes a plurality of coil cells, a main half-bridge inverter to which a main pulse signal is applied, a plurality of sub half-bridge inverters to which a first sub pulse signal or a second sub pulse signal is applied, at least one current sensor configured to monitor a current, and a communications and control unit configured to control the pulse signals applied to the main half-bridge inverter and sub half-bridge inverters and communicate with the wireless power receivers.