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. 05, 2019
Filed:
Sep. 28, 2017
Applicant:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Inventor:
Hideki Tsukamoto, Kyoto, JP;
Assignee:
MURATA MANUFACTURING CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/50 (2006.01); H01P 1/20 (2006.01); H03H 7/075 (2006.01); H03H 9/64 (2006.01); H04B 1/52 (2015.01); H04B 1/00 (2006.01); H03H 7/01 (2006.01); H03H 9/70 (2006.01); H03H 9/72 (2006.01);
U.S. Cl.
CPC ...
H03H 9/50 (2013.01); H01P 1/20 (2013.01); H03H 7/0161 (2013.01); H03H 7/075 (2013.01); H03H 9/64 (2013.01); H03H 9/703 (2013.01); H03H 9/72 (2013.01); H04B 1/0057 (2013.01); H04B 1/52 (2013.01); H03H 2210/012 (2013.01); H03H 2210/025 (2013.01); H03H 2250/00 (2013.01);
Abstract
A high-frequency filter includes a variable frequency filter, a fixed frequency filter, and switches. The variable frequency filter varies a passband in association with frequencies used in multiple communication band. The fixed frequency filter fixes a passband in association with a frequency used in a specific communication band different from the multiple communication bands. The switches are used to switch connection configuration to the variable frequency filter or the fixed frequency filter.