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. 11, 2023
Filed:
Sep. 25, 2020
Applicant:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Inventors:
Daisuke Tokuda, Kyoto, JP;
Ryangsu Kim, Kyoto, JP;
Yasushi Shigeno, Kyoto, JP;
Katsuya Shimizu, Kyoto, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 7/40 (2006.01); H01P 5/18 (2006.01);
U.S. Cl.
CPC ...
H03H 7/40 (2013.01); H01P 5/18 (2013.01);
Abstract
A directional coupler () includes a main line (), a sub-line (), a variable terminator (), and a variable filter circuit (). The variable terminator () is a variable impedance circuit that terminates one end portion of the sub-line (). The variable filter circuit () is connected to the other end portion of the sub-line (). The variable filter circuit () may include a filter, a bypass path, and a switch which is connected to at least one of the filter and the bypass path.