CN102057571B - 弹性波双工器 - Google Patents
弹性波双工器 Download PDFInfo
- Publication number
- CN102057571B CN102057571B CN200980120872.9A CN200980120872A CN102057571B CN 102057571 B CN102057571 B CN 102057571B CN 200980120872 A CN200980120872 A CN 200980120872A CN 102057571 B CN102057571 B CN 102057571B
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- CN
- China
- Prior art keywords
- resonator
- filter
- acoustic wave
- passband
- wave duplexer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H9/72—Networks using surface acoustic waves
- H03H9/725—Duplexers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14597—Matching SAW transducers to external electrical circuits
Abstract
Description
Claims (5)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008148781 | 2008-06-06 | ||
JP2008-148781 | 2008-06-06 | ||
PCT/JP2009/002101 WO2009147787A1 (ja) | 2008-06-06 | 2009-05-14 | 弾性波共用器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102057571A CN102057571A (zh) | 2011-05-11 |
CN102057571B true CN102057571B (zh) | 2014-03-19 |
Family
ID=41397874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200980120872.9A Active CN102057571B (zh) | 2008-06-06 | 2009-05-14 | 弹性波双工器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8384495B2 (zh) |
JP (1) | JP5392255B2 (zh) |
CN (1) | CN102057571B (zh) |
WO (1) | WO2009147787A1 (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8384495B2 (en) | 2008-06-06 | 2013-02-26 | Panasonic Corporation | Acoustic wave duplexer |
JP5679558B2 (ja) | 2011-01-19 | 2015-03-04 | 太陽誘電株式会社 | 分波器 |
CN102959860B (zh) * | 2011-04-12 | 2016-03-23 | 天工松下滤波方案日本有限公司 | 弹性波元件和使用它的天线共用器 |
JP5510694B1 (ja) | 2012-08-30 | 2014-06-04 | 株式会社村田製作所 | 弾性波フィルタ装置及びデュプレクサ |
WO2015190178A1 (ja) * | 2014-06-10 | 2015-12-17 | 株式会社村田製作所 | 弾性波装置 |
JP5823581B2 (ja) * | 2014-07-28 | 2015-11-25 | 太陽誘電株式会社 | 分波器 |
WO2016039026A1 (ja) * | 2014-09-09 | 2016-03-17 | 株式会社村田製作所 | 弾性表面波装置 |
US9500638B2 (en) | 2015-02-11 | 2016-11-22 | Spectro Scientific, Inc. | Method of measuring water contamination in turbine and other industrial oils |
CN109075772B (zh) * | 2016-03-31 | 2022-07-22 | 株式会社村田制作所 | 复合滤波器装置、高频前端电路以及通信装置 |
KR102134087B1 (ko) * | 2016-06-14 | 2020-07-14 | 가부시키가이샤 무라타 세이사쿠쇼 | 멀티플렉서, 고주파 프론트 엔드 회로 및 통신 장치 |
WO2018051846A1 (ja) * | 2016-09-13 | 2018-03-22 | 株式会社村田製作所 | 弾性波フィルタ装置、マルチプレクサ、高周波フロントエンド回路及び通信装置 |
KR102377662B1 (ko) * | 2017-09-29 | 2022-03-23 | 가부시키가이샤 무라타 세이사쿠쇼 | 멀티플렉서, 고주파 프론트 엔드 회로 및 통신 장치 |
CN111108689B (zh) * | 2017-09-29 | 2023-09-26 | 株式会社村田制作所 | 多工器、高频前端电路以及通信装置 |
WO2019138812A1 (ja) * | 2018-01-12 | 2019-07-18 | 株式会社村田製作所 | 弾性波装置、マルチプレクサ、高周波フロントエンド回路、及び通信装置 |
JP7178881B2 (ja) * | 2018-11-16 | 2022-11-28 | NDK SAW devices株式会社 | 弾性表面波素子 |
JP7218807B2 (ja) * | 2019-06-24 | 2023-02-07 | 株式会社村田製作所 | 複合フィルタ装置 |
CN111817688B (zh) * | 2020-09-14 | 2020-12-04 | 成都频岢微电子有限公司 | 一种高隔离度声表面波双工器及实现高隔离度的方法 |
WO2023048191A1 (ja) * | 2021-09-24 | 2023-03-30 | 株式会社村田製作所 | フィルタ装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63260213A (ja) | 1986-09-12 | 1988-10-27 | Hiroshi Shimizu | 高結合ラブ波型saw基板を用いた共振子 |
JPH09167937A (ja) * | 1995-12-18 | 1997-06-24 | Oki Electric Ind Co Ltd | 弾性表面波フィルタ |
JPH11112281A (ja) * | 1997-10-06 | 1999-04-23 | Kyocera Corp | 振動子 |
FR2799906B1 (fr) | 1999-10-15 | 2002-01-25 | Pierre Tournois | Filtre a ondes acoustiques d'interface notamment pour les liaisons sans fil |
JP2005295203A (ja) | 2004-03-31 | 2005-10-20 | Tdk Corp | デュプレクサ |
JP4497159B2 (ja) * | 2004-04-08 | 2010-07-07 | 株式会社村田製作所 | 弾性境界波フィルタ |
JP4587732B2 (ja) * | 2004-07-28 | 2010-11-24 | 京セラ株式会社 | 弾性表面波装置 |
CN1825759B (zh) * | 2005-02-24 | 2011-11-16 | 京瓷株式会社 | 声表面波元件、分波器和通信设备 |
JP4585431B2 (ja) | 2005-11-15 | 2010-11-24 | 富士通メディアデバイス株式会社 | 分波器 |
DE112007001405B4 (de) * | 2006-06-16 | 2013-12-24 | Murata Manufacturing Co., Ltd. | Oberflächenschallwellenvorrichtung |
US8384495B2 (en) | 2008-06-06 | 2013-02-26 | Panasonic Corporation | Acoustic wave duplexer |
-
2009
- 2009-05-14 US US12/993,893 patent/US8384495B2/en active Active
- 2009-05-14 CN CN200980120872.9A patent/CN102057571B/zh active Active
- 2009-05-14 WO PCT/JP2009/002101 patent/WO2009147787A1/ja active Application Filing
- 2009-05-14 JP JP2010515741A patent/JP5392255B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
US20110095845A1 (en) | 2011-04-28 |
US8384495B2 (en) | 2013-02-26 |
JPWO2009147787A1 (ja) | 2011-10-20 |
CN102057571A (zh) | 2011-05-11 |
JP5392255B2 (ja) | 2014-01-22 |
WO2009147787A1 (ja) | 2009-12-10 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SKYWORKS PANASONIC FILTRATE SOLUTIONS JAPAN CO., L Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20150105 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150105 Address after: Osaka Japan Patentee after: PANASONIC CORPORATION Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co., Ltd. |
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C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Osaka Japan Patentee after: Japan Industrial Co., Ltd. Address before: Osaka Japan Patentee before: PANASONIC CORPORATION |