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. 30, 2019

Filed:

Feb. 19, 2015
Applicant:

Denki Kogyo Company, Limited, Tokyo, JP;

Inventors:

Ichiro Oshima, Tokyo, JP;

Takuya Seki, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 13/20 (2006.01); H01Q 21/26 (2006.01); H01Q 21/24 (2006.01); H01Q 1/38 (2006.01); H01Q 15/00 (2006.01); H01Q 25/00 (2006.01);
U.S. Cl.
CPC ...
H01Q 13/20 (2013.01); H01Q 1/38 (2013.01); H01Q 15/0086 (2013.01); H01Q 21/24 (2013.01); H01Q 21/245 (2013.01); H01Q 21/26 (2013.01); H01Q 25/001 (2013.01);
Abstract

To provide a leaky-wave antenna that allows dual-polarization without limiting an emission range to either side. The antenna includes as an element unit (AE) a CRLH transmission line configured by multiply connecting CRLH unit cells (UC) in a periodic fashion between one ends and the other ends of two parallel lines (La, Lb). The respective unit cells (UC) have a left-handed series capacitor (CC) on each of the two parallel lines (La, Lb) and have a left-handed parallel inductor (L) between the two parallel lines (La, Lb). When power is fed between the two parallel lines (La, Lb), the two parallel lines (La, Lb) and the series capacitor (CC) serve to emit a vertical polarization component, and the parallel inductor (L) and a conductor between the two parallel lines (La, Lb) serve to emit a horizontal polarization component.


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