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:
Nov. 14, 2017

Filed:

Jun. 01, 2016
Applicants:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Fujitsu Frontech Limited, Inagi-shi, Tokyo, JP;

Inventors:

Takashi Yamagajo, Yokosuka, JP;

Manabu Kai, Yokohama, JP;

Masahiko Shimizu, Kawasaki, JP;

Yusuke Kawasaki, Inagi, JP;

Assignees:

FUJITSU LIMITED, Kawasaki, JP;

FUJITSU FRONTECH LIMITED, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/38 (2006.01); H01Q 9/04 (2006.01); H01Q 9/28 (2006.01); H01Q 21/00 (2006.01); H01Q 21/24 (2006.01); H01Q 1/22 (2006.01);
U.S. Cl.
CPC ...
H01Q 9/0407 (2013.01); H01Q 9/0457 (2013.01); H01Q 9/285 (2013.01); H01Q 21/0075 (2013.01); H01Q 21/24 (2013.01); H01Q 1/2216 (2013.01); H01Q 1/38 (2013.01);
Abstract

A planar antenna includes: first and second conductors each of which forms a microstrip line in combination with a ground electrode, and which are arranged in parallel with each other on a substrate; a plurality of first resonators disposed between the first conductor and the second conductor which electromagnetically couple the first conductor at one longitudinal end of each of the first resonators to generate electric fields which are in phase with each other; and at least one second resonator disposed between the first conductor and the second conductor which electromagnetically couples the second conductor at one longitudinal end of the at least one second resonator to generate an electric field which is in phase with the electric fields generated by the plurality of first resonators, wherein the at least one second resonator is arranged alternately with the plurality of first resonators.


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