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:
Apr. 08, 2025
Filed:
Nov. 11, 2022
Applicant:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Inventors:
Daisuke Tokuda, Kyoto, JP;
Yasushi Shigeno, Kyoto, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01P 1/213 (2006.01); H01P 5/18 (2006.01);
U.S. Cl.
CPC ...
H01P 1/213 (2013.01); H01P 5/18 (2013.01); H01P 5/184 (2013.01); H01P 5/185 (2013.01);
Abstract
A directional coupler includes a main line, a sub line electromagnetically coupled to the main line, a coupling output terminal, a first filter connected to one end of the sub line, and a second filter connected to the one end of the sub line and the coupling output terminal and having a pass band different from that of the first filter. The first filter and the second filter are constituent elements of a multiplexer. The first filter is terminated.