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:
Dec. 10, 2019
Filed:
Jun. 01, 2017
Applicant:
Taiyo Yuden Co., Ltd., Tokyo, JP;
Inventors:
Tokihiro Nishihara, Tokyo, JP;
Taisei Irieda, Tokyo, JP;
Assignee:
TAIYO YUDEN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03H 9/70 (2006.01); H03H 9/64 (2006.01); H03H 9/72 (2006.01); H01L 41/107 (2006.01); H03H 9/60 (2006.01); H03H 9/56 (2006.01);
U.S. Cl.
CPC ...
H03H 9/706 (2013.01); H01L 41/107 (2013.01); H03H 9/568 (2013.01); H03H 9/605 (2013.01); H03H 9/6406 (2013.01); H03H 9/725 (2013.01);
Abstract
A filter includes: one or more series resonators connected in series between an input terminal and an output terminal, the one or more series resonators including a series resonator located closest to the output terminal, the series resonator located closest to the output terminal having a resonant frequency that is 99.6% or less of or 102.2% or greater of a center frequency of a passband; one or more parallel resonators connected in parallel between the input terminal and the output terminal; and an inductor connected in parallel to the series resonator located closest to the output terminal.