Title:
WIRELESS POWER TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/020432
Kind Code:
A1
Abstract:
A wireless power transmission device for wirelessly transmitting power to a wireless power reception device, according to one embodiment of the present invention, comprises: a first transmission coil for transmitting power to the wireless power reception device through a magnetic field; and a second transmission coil for transmitting power to the wireless power reception device through a magnetic field and arranged on the inner side of the first transmission coil, wherein the wireless power transmission device transmits power to the wireless power reception device through one coil between the first transmission coil and the second transmission coil on the basis of a coupling state between the wireless power transmission device and the wireless power reception device.
Inventors:
BAE SU HO (KR)
Application Number:
PCT/KR2014/007279
Publication Date:
February 12, 2015
Filing Date:
August 06, 2014
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
H02J17/00
Domestic Patent References:
| WO2013042229A1 | 2013-03-28 | |||
| WO2011099071A1 | 2011-08-18 | |||
| WO2013054399A1 | 2013-04-18 |
Foreign References:
| US20120212074A1 | 2012-08-23 | |||
| US20120248892A1 | 2012-10-04 |
Other References:
See also references of EP 3032701A4
Attorney, Agent or Firm:
KIM, Yong In et al. (KR)
김용인 (KR)
김용인 (KR)
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