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:
Oct. 08, 2013
Filed:
May. 29, 2012
Motoaki Hara, Miyagi, JP;
Jun Tsutsumi, Tokyo, JP;
Shogo Inoue, Tokyo, JP;
Masafumi Iwaki, Tokyo, JP;
Masanori Ueda, Tokyo, JP;
Motoaki Hara, Miyagi, JP;
Jun Tsutsumi, Tokyo, JP;
Shogo Inoue, Tokyo, JP;
Masafumi Iwaki, Tokyo, JP;
Masanori Ueda, Tokyo, JP;
Taiyo Yuden Co., Ltd., Tokyo, JP;
Abstract
A filter includes at least one series resonator and parallel resonators, the at least one series resonator and the parallel resonators including excitation electrodes and reflectors, the parallel resonators having different resonance frequencies, and at least one of the parallel resonators other than the parallel resonator having the highest resonance frequency being configured to have a pitch of reflectors that is smaller than that of excitation electrodes.