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. 14, 2017
Filed:
Jul. 24, 2014
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventors:
Takenori Ohshima, Kawasaki, JP;
Yoji Ohashi, Fucyu, JP;
Yukio Takeda, Machida, JP;
Kazumi Kasai, Shibuya, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 21/00 (2006.01); H01Q 19/10 (2006.01); H01Q 15/00 (2006.01); H01Q 15/22 (2006.01); H01Q 15/24 (2006.01);
U.S. Cl.
CPC ...
H01Q 15/0006 (2013.01); H01Q 15/22 (2013.01); H01Q 15/242 (2013.01); H01Q 19/10 (2013.01);
Abstract
A device includes a dielectric, wherein a front and a back of the dielectric for reflecting and transmitting an electromagnetic wave are defined by a first surface and a second surface, the first or second surface forming a half mirror, the first surface has a height that changes in spiral as leaving from the second surface, and the second surface has a height that changes in spiral as leaving from the first surface.