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:
Jul. 30, 2019
Filed:
Jan. 27, 2016
Applicant:
Kyocera Corporation, Kyoto-shi, Kyoto, JP;
Inventors:
Motoki Ito, Kyoto, JP;
Tomonori Urata, Kyoto, JP;
Assignee:
KYOCERA Corporation, Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
H03H 9/72 (2006.01); H03H 9/145 (2006.01); H01Q 5/50 (2015.01); H03H 9/64 (2006.01); H03H 9/02 (2006.01); H01Q 1/22 (2006.01); H01P 1/20 (2006.01); H01Q 1/24 (2006.01); H01Q 21/00 (2006.01);
U.S. Cl.
CPC ...
H03H 9/72 (2013.01); H01P 1/20 (2013.01); H01Q 1/2283 (2013.01); H01Q 5/50 (2015.01); H03H 9/02685 (2013.01); H03H 9/145 (2013.01); H03H 9/14547 (2013.01); H03H 9/6483 (2013.01); H03H 9/725 (2013.01); H01Q 1/242 (2013.01); H01Q 21/0006 (2013.01);
Abstract
An input port, an output port, and a plurality of serial resonators and a plurality of parallel resonators connected in a ladder type between the input port and the output port and including IDT electrodes are provided. The plurality of parallel resonators include at least one first parallel resonator having a resonance frequency lower than resonance frequencies of the plurality of serial resonators, and at least one second parallel resonator having a resonance frequency higher than antiresonance frequencies of the plurality of serial resonators.