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:
Feb. 27, 2024
Filed:
Dec. 15, 2020
Electronics and Telecommunications Research Institute, Daejeon, KR;
Jaewoo Lee, Daejeon, KR;
In Kui Cho, Daejeon, KR;
Sang-Won Kim, Daejeon, KR;
Seong-Min Kim, Daejeon, KR;
Ho Jin Lee, Daejeon, KR;
Jang Yeol Kim, Daejeon, KR;
Jung Ick Moon, Daejeon, KR;
Woo Cheon Park, Daejeon, KR;
Je Hoon Yun, Daejeon, KR;
Hyunjoon Lee, Busan, KR;
Dong Won Jang, Daejeon, KR;
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Abstract
An apparatus and method for transmitting and receiving magnetic field signals in a magnetic field communication system are provided. The apparatus includes a controller configured to generate a communication signal, matching units that are configured to receive the communication signal and that respectively correspond to different matching frequencies, and loop antennas that are connected to the matching units, respectively, and that are configured to convert communication signals according to the different matching frequencies into magnetic transmission signals in the form of magnetic field energy and to transmit the magnetic transmission signals.