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.

Date of Patent:
Apr. 20, 2021

Filed:

May. 16, 2019
Applicant:

Murata Manufacturing Co., Ltd., Nagaokakyo, JP;

Inventor:

Takashi Watanabe, Nagaokakyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/44 (2006.01); H03K 17/693 (2006.01); H04B 1/00 (2006.01); H04B 1/18 (2006.01); H04B 1/405 (2015.01);
U.S. Cl.
CPC ...
H04B 1/44 (2013.01); H03K 17/693 (2013.01); H04B 1/00 (2013.01); H04B 1/18 (2013.01); H04B 1/405 (2013.01);
Abstract

A radio-frequency switch includes a first switch circuit including a first common terminal, at least two first selection terminals, a first switch that selectively connects the first common terminal and the at least two first selection terminals to each other, and a first shunt switch that switches the first common terminal and ground between a conductive state and a non-conductive state with each other, and a second switch circuit including a second common terminal that is connected to the first common terminal, at least two second selection terminals, and a second switch that selectively connects the second common terminal and the at least two selection terminals to each other.


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