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:
Dec. 24, 2024

Filed:

Jun. 25, 2021
Applicant:

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

Inventor:

Keisuke Nishio, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/64 (2006.01); H03H 7/46 (2006.01); H04B 1/40 (2015.01);
U.S. Cl.
CPC ...
H03H 9/64 (2013.01); H03H 7/46 (2013.01); H04B 1/40 (2013.01);
Abstract

A filter includes first and second input/output terminals; an LC parallel resonance circuit that includes an inductor Land a capacitor Cconnected to each other in parallel; and an acoustic wave series resonance circuit that includes series arm resonators sand sconnected to each other in series. The LC parallel resonance circuit and the acoustic wave series resonance circuit are connected to each other in series between the first input/output terminal and the second input/output terminal.


Find Patent Forward Citations

Loading…