Title:
弾性波フィルタ、分波器および通信装置
Document Type and Number:
Japanese Patent JP7132944
Kind Code:
B2
Abstract:
An acoustic wave filter includes a first signal terminal, an antenna terminal, a ladder-type filter connected between the first signal terminal and the antenna terminal and including one or more serial resonators and one or more parallel resonators connected in a ladder shape, and a capacitor part and an inductor part which are connected in series between the first signal terminal and a reference potential.
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Inventors:
Tomonori Urata
Application Number:
JP2019557200A
Publication Date:
September 07, 2022
Filing Date:
November 22, 2018
Export Citation:
Assignee:
Kyocera Corporation
International Classes:
H03H9/64; H03H9/145; H03H9/25; H03H9/72
Domestic Patent References:
| JP2000077967A | ||||
| JP2004289195A | ||||
| JP4114505A |
Foreign References:
| US20040075362 | ||||
| WO2011142143A1 | ||||
| WO2017110993A1 | ||||
| WO2016104598A1 | ||||
| US20110018653 |
Attorney, Agent or Firm:
Yasuhiro Iijima
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