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:
Jul. 08, 2008
Filed:
Feb. 09, 2006
Applicants:
Daisuke Koizumi, Zushi, JP;
Kei Satoh, Yokosuka, JP;
Shoichi Narahashi, Yokohama, JP;
Inventors:
Assignee:
NTT DoCoMo, Inc., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01P 3/08 (2006.01); H01P 7/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coupling structure for coupling to a circuit portion () in a coplanar-waveguide circuit () having ground conductors () at both sides is disclosed. A signal input/output line () is provided at the center of the coplanar-waveguide circuit; and an inductive coupling portion () having an end of the signal input/output line short-circuited to one of the ground conductors and facing a part of the circuit portion via a first gap is also provided.