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. 16, 2016
Filed:
Feb. 22, 2013
Tdk Corporation, Tokyo, JP;
Takeshi Suga, Tokyo, JP;
Toshiyasu Fujiwara, Tokyo, JP;
TDK CORPORATION, Tokyo, JP;
Abstract
A coupler includes an input terminal and an output terminal which are provided on a substrate, a main line provided on the substrate and having one end connected to the input terminal and the other end connected to the output terminal, and a sub line including a conductive film and a resistive film which are provided on the substrate and electromagnetically coupled to the main line at a part of the conductive film. The conductive film has wiring patterns. The resistive film includes a resistive film pattern having an end portion fitted into between the wiring pattern and substrate and an end portion fitted into between the wiring pattern and substrate. The end portions and each contact the conductive film at least at its upper surface and end surface.