Title:
WIRELESS CHARGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/033625
Kind Code:
A1
Abstract:
The present invention relates to a wireless charging device capable of charging a plurality of wireless device reception coils with one power transmission coil. The wireless charging apparatus according to an embodiment comprises: a power transmission unit for transmitting power; and a plurality of power reception units for wirelessly receiving power transmitted through the power transmission unit, wherein the power transmission unit simultaneously charges the plurality of power reception units. According to an embodiment of the present invention, since a plurality of power receiving units are simultaneously charged with one power transmission unit, the time required for charging each wireless device and the use of a separate power transmission unit are not required, thereby reducing costs.
Inventors:
LEE SEUNGJAE (KR)
KIM MOONKI (KR)
OH HWAYOUNG (KR)
NAM JAEIL (KR)
KIM MOONKI (KR)
OH HWAYOUNG (KR)
NAM JAEIL (KR)
Application Number:
PCT/KR2022/013330
Publication Date:
March 09, 2023
Filing Date:
September 06, 2022
Export Citation:
Assignee:
NOVA LABS CO LTD (KR)
International Classes:
H02J50/40; A45C11/00; H02J7/00; H02J50/00; H02J50/10; H04R1/10
Foreign References:
| KR20170039568A | 2017-04-11 | |||
| KR20130127386A | 2013-11-22 | |||
| KR20200115630A | 2020-10-07 | |||
| KR200489142Y1 | 2019-05-09 | |||
| US20180124494A1 | 2018-05-03 |
Attorney, Agent or Firm:
RYU, Sungwon (KR)
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