Title:
STRUCTURE FOR IMPROVING PERFORMANCE OF RESONATOR
Document Type and Number:
WIPO Patent Application WO/2023/163365
Kind Code:
A1
Abstract:
According to various embodiments, a cover device capable of being coupled to a wireless power-receiving unit for receiving wireless power from a wireless power-transmitting unit may comprise: a first capacitor; a first coil connected to the first capacitor; a ferrite sheet arranged, on at least a portion of the first coil, in the coupling direction between the wireless power-receiving unit and the cover device; and a metal sheet arranged, on at least a portion of the ferrite sheet, in the coupling direction between the wireless power-receiving unit and the cover device. The first capacitor and the first coil can form a closed loop. A first resonance frequency of the first coil can be higher than a second resonance frequency of a second coil of the wireless power-receiving unit.
Inventors:
PARK JAEHYUN (KR)
GU BEOMWOO (KR)
KIM JOONHONG (KR)
PARK JAESEOK (KR)
YEO SUNGKU (KR)
RYU YOUNGHO (KR)
GU BEOMWOO (KR)
KIM JOONHONG (KR)
PARK JAESEOK (KR)
YEO SUNGKU (KR)
RYU YOUNGHO (KR)
Application Number:
PCT/KR2023/000091
Publication Date:
August 31, 2023
Filing Date:
January 03, 2023
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H01F1/34; H01P3/08; H01Q7/06; H02J50/12
Foreign References:
| KR20190019692A | 2019-02-27 | |||
| KR101693538B1 | 2017-01-06 | |||
| KR101358440B1 | 2014-02-05 | |||
| KR20140034371A | 2014-03-20 | |||
| KR101407205B1 | 2014-06-12 |
Attorney, Agent or Firm:
LEE, Keon-Joo et al. (KR)
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