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:
Aug. 30, 2022
Filed:
Aug. 06, 2020
Applicant:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Inventor:
Daisuke Tokuda, Kyoto, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 5/18 (2006.01);
U.S. Cl.
CPC ...
H01P 5/18 (2013.01);
Abstract
A directional coupler () includes a main line (), a sub-line (), and a variable capacitor (). At least part of the sub-line () is disposed along the main line (). The variable capacitor () is connected between the main line () and the sub-line (). The directional coupler () achieves a stable degree of coupling between the main line () and the sub-line ().