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:
Dec. 12, 2017
Filed:
Nov. 30, 2016
Murata Manufacturing Co., Ltd., Nagaokakyo-shi, Kyoto-fu, JP;
Keisuke Katabuchi, Nagaokakyo, JP;
Tetsuo Taniguchi, Nagaokakyo, JP;
Yasushi Yunoki, Nagaokakyo, JP;
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Abstract
A directional coupler includes a multilayer body including a plurality of stacked dielectric layers, a main line including a first main line portion and a second main line portion which are connected in series to each other in this order and that is provided in the multilayer body, and a sub-line including a first sub-line portion and a second sub-line portion which are connected in series to each other in this order, the first sub-line portion being electromagnetically coupled to the first main line portion, the second sub-line portion being electromagnetically coupled to the second main line portion, and the sub-line being provided on one side in a stacking direction with respect to the main line in the multilayer body. The second main line portion is provided on a dielectric layer that is different from a dielectric layer on which the first main line portion is provided and/or the second sub-line portion is provided on a dielectric layer that is different from a dielectric layer on which the first sub-line portion is provided.