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:
May. 04, 2010
Filed:
Aug. 29, 2006
Yasuhiro Hamada, Tokyo, JP;
Keiichi Ohata, Tokyo, JP;
Kenichi Maruhashi, Tokyo, JP;
Takao Morimoto, Tokyo, JP;
Masaharu Itou, Tokyo, JP;
Shuuya Kishimoto, Tokyo, JP;
Yasuhiro Hamada, Tokyo, JP;
Keiichi Ohata, Tokyo, JP;
Kenichi Maruhashi, Tokyo, JP;
Takao Morimoto, Tokyo, JP;
Masaharu Itou, Tokyo, JP;
Shuuya Kishimoto, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A balun circuit includes a first CPW line, a second CPW line, and a third CPW linethat serve as signal input/output ports; a first CPS linethat is a differential transmission line, the first CPS linerelaying the first CPW lineto the second CPW line; a second CPS linethat is a differential transmission line, the second CPS linerelaying the first CPW lineto the third CPW line; and at least one connection section that connects grounded conductors of each of the first CPW line, the second CPW line, and the third CPW line