Title:
MULTI-COIL WIRELESS CHARGING METHOD, AND APPARATUS AND SYSTEM THEREFOR
Document Type and Number:
WIPO Patent Application WO/2017/082531
Kind Code:
A1
Abstract:
The present invention relates to a multi-coil wireless charging method, and an apparatus and a system therefor, and a wireless power transmission system having a plurality of transmission coils, according to one embodiment of the present invention, comprises: first to n-th sub-wireless power transmitters respectively having a plurality of transmission coils and transmitting a first sensing signal; and a main control unit for identifying the sub-wireless power transmitter for transmitting a second sensing signal on the basis of whether a first signal strength indicator corresponding to the first sensing signal is received. Therefore, the present invention has an advantage of providing a multi-coil wireless charging method capable of more rapidly and correctly sensing a wireless power receiver.
Inventors:
LEE YUN BOK (KR)
SON JEONG NAM (KR)
SON JEONG NAM (KR)
Application Number:
PCT/KR2016/010439
Publication Date:
May 18, 2017
Filing Date:
September 20, 2016
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
H01F38/14; H02J7/02; H04B5/00
Foreign References:
| KR20150120849A | 2015-10-28 | |||
| KR20150115339A | 2015-10-14 | |||
| US20140239732A1 | 2014-08-28 | |||
| US20110199028A1 | 2011-08-18 | |||
| KR20110125755A | 2011-11-22 |
Other References:
See also references of EP 3376635A4
Attorney, Agent or Firm:
PARK, Young Bok et al. (KR)
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