Title:
ELECTRONIC APPARATUS HAVING IMPROVED WIRELESS CHARGING EFFICIENCY
Document Type and Number:
WIPO Patent Application WO/2022/145952
Kind Code:
A1
Abstract:
Various embodiments relate to an electronic apparatus employing a wireless charging system, the electronic apparatus comprising: a battery; a charging circuit; and a circuit board which is electrically connected to the charging circuit and includes a first part and a second part located adjacent to the first part. A first coil, a second coil, and a resonance coil are located in the first part of the circuit board, wherein the first coil is located outside the second coil, and the resonance coil is located inside the second coil. A third coil and a resonance capacitor are located in the second part of the circuit board, wherein the resonance capacitor is located inside the third coil, and the resonance coil and the resonance capacitor can be electrically connected to generate designated resonance.
Inventors:
KIM YUSU (KR)
KIM DOHYEON (KR)
PARK SEHO (KR)
PARK BYUNGHWA (KR)
KIM DOHYEON (KR)
PARK SEHO (KR)
PARK BYUNGHWA (KR)
Application Number:
PCT/KR2021/020022
Publication Date:
July 07, 2022
Filing Date:
December 28, 2021
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H02J50/10; H01F27/28; H01F38/14; H02J50/00; H02J50/40; H02J50/80
Domestic Patent References:
| WO2020114926A1 | 2020-06-11 |
Foreign References:
| KR20180005910A | 2018-01-17 | |||
| KR20170010598A | 2017-02-01 | |||
| KR20180097064A | 2018-08-30 | |||
| KR20170058206A | 2017-05-26 |
Attorney, Agent or Firm:
YOON & LEE INTERNATIONAL PATENT & LAW FIRM (KR)
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