Title:
COIL FOR DETECTING FOREIGN MATERIAL, AND WIRELESS POWER TRANSMITTER COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/244981
Kind Code:
A1
Abstract:
A detection coil comprises a first sub-coil arranged on a first PCB, and the first sub-coil includes a first portion and a second portion, which is arranged below the first portion, has one end connected to one end of the first portion, and is wound in the direction opposite to the direction in which the first portion is wound. The detection coil is arranged on a second PCB and includes a third portion and a fourth portion arranged below the third portion. The fourth portion has one end connected to one end of the third portion and includes the fourth portion wound in the direction opposite to the direction in which the third portion is wound. The first portion and the second portion have a polygonal shape and are symmetrical to each other. The third portion and the fourth portion have a polygonal shape and are symmetrical to each other. The first sub-coil and the second sub-coil are arranged such that a portion of each overlaps.
Inventors:
CHOI JINSOO (KR)
CHOI BOHWAN (KR)
PARK SUNGBUM (KR)
RYU YOUNGHO (KR)
LEE KYUNGMIN (KR)
LEE SANGWOOK (KR)
CHOI BOHWAN (KR)
PARK SUNGBUM (KR)
RYU YOUNGHO (KR)
LEE KYUNGMIN (KR)
LEE SANGWOOK (KR)
Application Number:
PCT/KR2022/005075
Publication Date:
November 24, 2022
Filing Date:
April 07, 2022
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H02J50/60; H01F27/28; H01F38/14; H02J50/00; H02J50/10
Foreign References:
| KR20190009639A | 2019-01-29 | |||
| US20120146580A1 | 2012-06-14 | |||
| US20160118806A1 | 2016-04-28 | |||
| US20180090955A1 | 2018-03-29 | |||
| KR20160070709A | 2016-06-20 |
Attorney, Agent or Firm:
LEE, Keon-Joo et al. (KR)
Download PDF:
Previous Patent: BACKLIGHT UNIT, DISPLAY DEVICE, AND METHOD OF MANUFACTURING SAME
Next Patent: DENTAL SOLID-TYPE ABUTMENT
Next Patent: DENTAL SOLID-TYPE ABUTMENT