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:
May. 26, 2015
Filed:
Nov. 25, 2011
Applicants:
Je-hoon Yun, Daejeon, KR;
In-kui Cho, Daejeon, KR;
Jung-ick Moon, Daejeon, KR;
Seong-min Kim, Daejeon, KR;
Dong-hee Park, Chungbuk, KR;
Inventors:
Je-Hoon Yun, Daejeon, KR;
In-Kui Cho, Daejeon, KR;
Jung-Ick Moon, Daejeon, KR;
Seong-Min Kim, Daejeon, KR;
Dong-Hee Park, Chungbuk, KR;
Assignee:
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 27/42 (2006.01); H01F 37/00 (2006.01); H01F 38/00 (2006.01); H03H 3/00 (2006.01); H01F 38/14 (2006.01);
U.S. Cl.
CPC ...
H03H 3/00 (2013.01); H01F 38/14 (2013.01);
Abstract
A direct feeding apparatus for impedance matching of a wireless power transmission device includes a helical type resonator, and a feeding unit configured to directly feed power to a region having a relatively small current value as compared to a center of a conductive line of the resonator.