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:
Aug. 25, 2015
Filed:
Apr. 29, 2013
Applicant:
Taiyo Yuden Co., Ltd., Tokyo, JP;
Inventor:
Shogo Inoue, Tokyo, JP;
Assignee:
TAIYO YUDEN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 41/00 (2013.01); H03H 9/00 (2006.01); H03H 9/70 (2006.01); H03H 9/54 (2006.01); H03H 9/05 (2006.01); H03H 9/64 (2006.01);
U.S. Cl.
CPC ...
H03H 9/70 (2013.01); H03H 9/0576 (2013.01); H03H 9/54 (2013.01); H03H 9/6483 (2013.01); H03H 9/6479 (2013.01);
Abstract
A filter includes: acoustic wave resonators connected between an input terminal and an output terminal; and a cancel circuit including an input connection portion and an output connection portion connected so that the cancel circuit is connected in parallel to at least a part of the acoustic wave resonators, wherein the cancel circuit includes a first acoustic wave resonator connected between a node between the input connection portion and the output connection portion and a ground.