Invention Grant
- Patent Title: Wireless power transfer method, apparatus and system
-
Application No.: US15101826Application Date: 2015-02-06
-
Publication No.: US10256666B2Publication Date: 2019-04-09
- Inventor: Byungsang Jung , Hyunbeom Lee , Seonghun Lee , Yongcheol Park
- Applicant: LG ELECTRONICS INC.
- Applicant Address: KR Seoul
- Assignee: LG ELECTRONICS INC.
- Current Assignee: LG ELECTRONICS INC.
- Current Assignee Address: KR Seoul
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR10-2015-0012966 20150127
- International Application: PCT/KR2015/001245 WO 20150206
- International Announcement: WO2015/119456 WO 20150813
- Main IPC: H02J50/12
- IPC: H02J50/12 ; H02J7/02 ; H02J7/04

Abstract:
The present disclosure relates to a wireless power reception method, a wireless power reception apparatus, and a wireless charging system in a wireless power transmission and reception field, and the wireless power reception apparatus may include a power receiving unit configured to change a magnetic flux to a current to receive power in a wireless manner, and a power controller connected to the power receiving unit to change a resonant frequency to control power received from the power receiving unit, wherein the power controller includes a first capacitor, a second capacitor connected to the first capacitor in parallel, a first switch connected to the second capacitor in series to flow a current in a first direction, a second switch configured to flow a current in a second direction opposite to the first direction, and a switch controller configured to control the first and the second switch.
Public/Granted literature
- US20160308397A1 WIRELESS POWER TRANSFER METHOD, APPARATUS AND SYSTEM Public/Granted day:2016-10-20
Information query