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:
Sep. 30, 2014

Filed:

Feb. 22, 2011
Applicants:

Tamami Maruyama, Yokohama, JP;

Tatsuo Furuno, Yokosuka, JP;

Yasuhiro Oda, Yokosuka, JP;

Jiyun Shen, Yokosuka, JP;

Tomoyuki Ohya, Yokohama, JP;

Inventors:

Tamami Maruyama, Yokohama, JP;

Tatsuo Furuno, Yokosuka, JP;

Yasuhiro Oda, Yokosuka, JP;

Jiyun Shen, Yokosuka, JP;

Tomoyuki Ohya, Yokohama, JP;

Assignee:

NTT DoCoMo, Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 1/38 (2006.01); H01Q 15/00 (2006.01); H01Q 15/14 (2006.01);
U.S. Cl.
CPC ...
H01Q 15/008 (2013.01); H01Q 15/14 (2013.01);
Abstract

An apparatus having multiple mushroom structures is disclosed. Each of the multiple mushroom structures including: a ground plate; a first patch provided parallel to the ground plate with a separation of a distance to the ground plate; and a second patch provided parallel to the ground plate with a separation of another distance to the ground plate, which another distance being different from the distance from the first patch to the ground plate, wherein the second patch is a passive element which is capacitatively coupled with at least the first patch.


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