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:
Oct. 21, 2025
Filed:
Feb. 14, 2023
Applicant:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Inventors:
Daisuke Tokuda, Kyoto, JP;
Ryangsu Kim, Kyoto, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 5/18 (2006.01); H01P 1/10 (2006.01);
U.S. Cl.
CPC ...
H01P 5/18 (2013.01); H01P 1/10 (2013.01);
Abstract
A directional coupler includes a main line, sub-lines, and a switch. The sub-lines are located at positions that enable the sub-lines to be electromagnetically coupled to the main line. The switch is coupled between an end portion sand an end portion of the sub-line. The switch is configured to switch connection of the end portion and the end portion between a shorted state and an open state.