The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 26, 2023
Filed:
Feb. 28, 2022
Wits Co., Ltd., Yongin-si, KR;
Du Hyun Song, Suwon-si, KR;
Seung Jae Baeck, Suwon-si, KR;
Chun Su Yoon, Suwon-si, KR;
Jeong Yub Yang, Suwon-si, KR;
Dong Hyun Kim, Suwon-si, KR;
Yong Gu Yoon, Suwon-si, KR;
Ji Hoon Yeom, Suwon-si, KR;
WITS Co., Ltd., Gyeonggi-do, KR;
Abstract
Disclosed is a coil module that receives or transmits electric power or signals wireless by using an electromagnetic field, the coil module including a board, a coil provided on at least one surface of the board to be rotated in one direction, and a magnetic part covering at least a portion of the coil while directly contacting a surface of the coil, and that acts as an electromagnetic booster that enhances an intensity of the electromagnetic field generated on the surface of the coil, and the magnetic part decrease, among a skin effect and a proximity effect of an eddy current generated in the coil, the proximity effect by isolating electric power in a gap of the coil that is rotated in the one direction.