公开(公告)号：US20240153689A1

公开(公告)日：2024-05-09

申请号：US18500820

申请日：2023-11-02

Applicant: Electronics and Telecommunications Research Institute

Inventor： Je Hoon YUN ,  Gwangzeen KO ,  Seong-Min KIM ,  Jung Ick MOON ,  Seung Keun PARK ,  Dong-won JANG ,  In Kui CHO

IPC: H01F5/04 ,  H01F27/28 ,  H01F38/14

CPC classification number: H01F5/04 ,  H01F27/2852 ,  H01F38/14 ,  H01F2005/006

Abstract: A resonant coil coupled with an electromagnetic field is disclosed. A Fraunhofer resonant coil includes an upper spiral element and a lower spiral element, an upper conical element connected to the upper spiral element and including one or more layers formed of a plurality of plies, a lower conical element connected to the lower spiral element and including one or more layers formed of a plurality of plies, and a feeding device connected to a gap between the upper conical element and the lower conical element and configured to supply power.