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.

Date of Patent:
Jul. 05, 2016

Filed:

May. 17, 2013
Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Yasuyuki Hara, Tokyo, JP;

Kenji Endou, Tokyo, JP;

Tetsuya Shibata, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/52 (2006.01); H01Q 1/24 (2006.01); H01Q 9/42 (2006.01); H01Q 21/28 (2006.01);
U.S. Cl.
CPC ...
H01Q 1/52 (2013.01); H01Q 1/243 (2013.01); H01Q 1/521 (2013.01); H01Q 21/28 (2013.01); H01Q 9/42 (2013.01);
Abstract

The present invention is to provide an antenna device with the isolation among feedpoints being further improved. In order to achieve this goal, the present invention provides an antenna device provided with a substrate having a ground area, and a first conductor, a second conductor and a third conductor. In the antenna, one end of the second conductor is connected to the ground area via a first feedpoint and the other end of the second conductor is connected to the first conductor. A second feedpoint is included serially in the third conductor at any position. Further, at least part of the third conductor is disposed opposite to the first conductor, and both ends of the third conductor are connected to the ground area.


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