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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.:

US 11811447 B1

PDFFull Text
Date of Patent:
Nov. 07, 2023

Filed:

Jul. 15, 2020

Multiplexer

Applicant:

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

Inventor:

Kota Okubo, Nagaokakyo, JP;

Assignee:

MURATA MANUFACTURING CO., LTD., Kyoto, JP;

Attorney:

KEATING & BENNETT, LLP

Primary Examiner:

Jinsong Hu

Assistant Examiner:

Rui M Hu

Int. Cl.
CPC ...
H04B 1/50 (2006.01); H03H 9/60 (2006.01); H03H 9/70 (2006.01); H03F 3/24 (2006.01); H04B 1/00 (2006.01); H03H 9/54 (2006.01);
U.S. Cl.
CPC ...
H04B 1/50 (2013.01); H03F 3/245 (2013.01); H03H 9/542 (2013.01); H03H 9/605 (2013.01); H03H 9/70 (2013.01); H04B 1/0057 (2013.01); H03F 2200/294 (2013.01); H03F 2200/451 (2013.01);
Abstract

A multiplexer includes a band pass filter configured to pass a signal in a predetermined frequency band between a first terminal and a common terminal connected to an antenna, and a band elimination filter configured to attenuate a signal in the predetermined frequency band between a second terminal and the common terminal and includes resonators connected in series with a line between the second terminal and the common terminal. The resonators include a first resonator having a lowest resonant frequency and a second resonator disposed on a side of the common terminal from the first resonator.

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Quick Actions:

Okubo, Kota. (2023). Multiplexer (U.S. Patent No. 11811447). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11811447

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