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1. (WO2016093478) WIRELESS POWER TRANSMISSION APPARATUS

Pub. No.:    WO/2016/093478    International Application No.:    PCT/KR2015/010519
Publication Date: Jun 16, 2016 International Filing Date: Oct 5, 2015
IPC: H02J 50/00
H02J 7/00
Applicants: LG INNOTEK CO., LTD.
엘지이노텍 주식회사
Inventors: BAE, Su Ho
배수호
PARK, Yu Ri
박유리
Title: WIRELESS POWER TRANSMISSION APPARATUS
Abstract:
The wireless power transmission apparatus according to an embodiment of the present invention can provide a wireless power transmission apparatus comprising: a resonance type coil unit; an induction type coil unit; and a loss prevention unit comprising a series resonance circuit which is connected to both ends of the induction type coil unit, wherein the loss prevention unit resonates at a first frequency for driving the resonance type coil unit. Also, the wireless power transmission apparatus according to another embodiment can provide a wireless power transmission apparatus comprising: a resonance type coil unit; an induction type coil unit; and a switch element connected to both ends of the induction type coil unit, wherein the switch element is turned on or turned off when power is transmitted by any one of the resonance type coil unit and the induction type coil unit.