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:
Mar. 07, 2023
Filed:
Aug. 04, 2020
Murata Manufacturing Co., Ltd., Kyoto, JP;
Daisuke Tokuda, Kyoto, JP;
Yasushi Shigeno, Kyoto, JP;
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Abstract
A directional coupler () includes a substrate (), a main line () formed directly or indirectly on the substrate (), sub-lines (and) at least part of each of which is formed directly or indirectly on the substrate () along the main line (), a switch () switching connections among end portions of the plurality of sub-lines (and), and detection output terminals (FWD and REV) connected to the sub-line (), wherein, when looking at the substrate () in plan, the end portions of the sub-lines (and) are disposed on the opposite side to the detection output terminals (FWD and REV) relative to the main line (), and the sub-line () to which the detection output terminals (FWD and REV) are connected is overlapped with or surrounded by the sub-lines (and).