DE69413843T2 - Oberflächenwellenresonatoren mit zwei moden - Google Patents
Oberflächenwellenresonatoren mit zwei modenInfo
- Publication number
- DE69413843T2 DE69413843T2 DE69413843T DE69413843T DE69413843T2 DE 69413843 T2 DE69413843 T2 DE 69413843T2 DE 69413843 T DE69413843 T DE 69413843T DE 69413843 T DE69413843 T DE 69413843T DE 69413843 T2 DE69413843 T2 DE 69413843T2
- Authority
- DE
- Germany
- Prior art keywords
- fashions
- surface wave
- wave resonators
- resonators
- wave
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/644—Coupled resonator filters having two acoustic tracks
- H03H9/6456—Coupled resonator filters having two acoustic tracks being electrically coupled
- H03H9/6459—Coupled resonator filters having two acoustic tracks being electrically coupled via one connecting electrode
- H03H9/6463—Coupled resonator filters having two acoustic tracks being electrically coupled via one connecting electrode the tracks being electrically cascaded
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0028—Balance-unbalance or balance-balance networks using surface acoustic wave devices
- H03H9/0047—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks
- H03H9/0052—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically cascaded
- H03H9/0057—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically cascaded the balanced terminals being on the same side of the tracks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/25—Constructional features of resonators using surface acoustic waves
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/160,628 US5365138A (en) | 1993-12-02 | 1993-12-02 | Double mode surface wave resonators |
PCT/CA1994/000345 WO1995015614A1 (en) | 1993-12-02 | 1994-06-22 | Double mode surface wave resonators |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69413843D1 DE69413843D1 (de) | 1998-11-12 |
DE69413843T2 true DE69413843T2 (de) | 1999-03-04 |
Family
ID=22577692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69413843T Expired - Fee Related DE69413843T2 (de) | 1993-12-02 | 1994-06-22 | Oberflächenwellenresonatoren mit zwei moden |
Country Status (9)
Country | Link |
---|---|
US (1) | US5365138A (de) |
EP (1) | EP0733282B1 (de) |
JP (1) | JP3060070B2 (de) |
KR (1) | KR0175522B1 (de) |
CN (1) | CN1075288C (de) |
AU (1) | AU678903B2 (de) |
CA (1) | CA2135983C (de) |
DE (1) | DE69413843T2 (de) |
WO (1) | WO1995015614A1 (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0648015B1 (de) * | 1993-10-08 | 2000-05-31 | Matsushita Electric Industrial Co., Ltd. | Akustisches Oberflächenwellenfilter |
US5448125A (en) * | 1994-06-27 | 1995-09-05 | E. I. Du Pont De Nemours And Company | Surface skimming bulk wave generation in KTiOPO4 and its analogs |
JP3244386B2 (ja) * | 1994-08-23 | 2002-01-07 | 松下電器産業株式会社 | 弾性表面波装置 |
JP3185591B2 (ja) * | 1995-03-03 | 2001-07-11 | 株式会社村田製作所 | Saw共振子 |
CA2178438C (en) * | 1995-06-16 | 2001-11-20 | Ji-Dong Dai | Cascaded surface wave device filters |
FR2739232B1 (fr) * | 1995-09-26 | 1997-10-24 | Thomson Csf | Filtre a ondes acoustiques de surface utilisant le couplage de trois voies acoustiques |
GB2306821B (en) * | 1995-11-03 | 2000-05-31 | Advanced Saw Prod Sa | Electro-acoustic device |
US5668431A (en) * | 1996-03-07 | 1997-09-16 | Northern Telecom Limited | Surface wave devices for differential coherent detectors |
US6745627B1 (en) | 1996-05-21 | 2004-06-08 | Honeywell International Inc. | Electrostatic drive for accelerometer |
US5948981A (en) * | 1996-05-21 | 1999-09-07 | Alliedsignal Inc. | Vibrating beam accelerometer |
EP0809357B1 (de) * | 1996-05-23 | 1999-12-15 | Matsushita Electric Industrial Co., Ltd. | Akustischer Oberflächenwellenfilter und mehrstufiger akustischer Oberflächenwellenfilter |
US6348845B2 (en) | 1996-05-23 | 2002-02-19 | Matsushita Electric Industrial Co., Ltd. | Surface acoustic wave filter and multistage surface acoustic wave filter |
US6801100B2 (en) * | 1996-05-23 | 2004-10-05 | Matsushita Electric Industrial Co., Ltd. | Inter-digital transducer, surface acoustic wave filter and communication apparatus using the same |
JP3239064B2 (ja) * | 1996-05-28 | 2001-12-17 | 富士通株式会社 | 弾性表面波装置 |
US5793266A (en) * | 1996-08-12 | 1998-08-11 | Motorola Inc. | Differential input and/or differential output, transversely-coupled surface acoustic wave filter |
JP3186604B2 (ja) * | 1996-10-09 | 2001-07-11 | 株式会社村田製作所 | 弾性表面波フィルタ装置 |
CA2199238C (en) * | 1997-03-05 | 2002-07-02 | Ji-Dong Dai | Surface wave device with capacitance |
FR2762458B1 (fr) * | 1997-04-18 | 1999-07-09 | Thomson Csf | Dispositif a ondes acoustiques de surface a couplage par proximite a entrees/sorties differentielles |
US5896071A (en) * | 1997-05-15 | 1999-04-20 | Northern Telecom Limited | Surface wave device balun resonator filters |
DE19722859C1 (de) * | 1997-05-31 | 1998-10-15 | Dresden Ev Inst Festkoerper | Oberflächenwellenresonator |
JP3154402B2 (ja) * | 1997-11-12 | 2001-04-09 | 日本電気株式会社 | Sawフィルタ |
JP3137064B2 (ja) * | 1998-01-16 | 2001-02-19 | 日本電気株式会社 | 弾性表面波フィルタ |
US5948982A (en) * | 1998-02-23 | 1999-09-07 | Alliedsignal Inc. | Vibrating beam accelerometers and methods of forming vibrating beam accelerometers |
JP3469806B2 (ja) * | 1998-05-13 | 2003-11-25 | 三洋電機株式会社 | 弾性表面波フィルタ |
ATE488052T1 (de) * | 1999-12-28 | 2010-11-15 | Hitachi Metals Ltd | Hochfrequenzschalter, hochfrequenz-schaltermodul und drahtloses nachrichtengerat |
DE10007178A1 (de) * | 2000-02-17 | 2001-08-23 | Epcos Ag | Oberflächenwellenfilter mit Reaktanzelementen |
JP3391347B2 (ja) * | 2000-06-26 | 2003-03-31 | 株式会社村田製作所 | 縦結合共振子型弾性表面波フィルタ |
CN100547919C (zh) * | 2005-03-28 | 2009-10-07 | 京瓷株式会社 | 弹性表面波共振子以及通信装置 |
KR100713668B1 (ko) * | 2005-03-28 | 2007-05-02 | 쿄세라 코포레이션 | 탄성표면파 공진자, 탄성표면파 필터 및 탄성표면파듀플렉서 및 통신장치 |
JP4537254B2 (ja) * | 2005-04-28 | 2010-09-01 | 富士通メディアデバイス株式会社 | 弾性表面波フィルタおよび分波器 |
CN101316099B (zh) * | 2008-07-04 | 2010-06-16 | 无锡市好达电子有限公司 | 双通道声表面波滤波器 |
US9083300B2 (en) * | 2010-09-01 | 2015-07-14 | Qualcomm Mems Technologies, Inc. | Electromechanical systems piezoelectric contour mode differential resonators and filters |
CN103152011B (zh) * | 2013-03-14 | 2016-08-24 | 北京中讯四方科技股份有限公司 | 一种基于多相位倒相横向平衡式结构的声表面波滤波器 |
JP6424901B2 (ja) * | 2015-01-16 | 2018-11-21 | 株式会社村田製作所 | 共振子 |
RU2633658C2 (ru) * | 2016-03-09 | 2017-10-16 | Акционерное общество "Научно-производственное предприятие "Радар ммс" | Резонатор на поверхностных акустических волнах |
CN112511124A (zh) * | 2021-02-07 | 2021-03-16 | 成都频岢微电子有限公司 | 用于改善dms型接收滤波器带外抑制的接地结构及滤波器 |
CN114204914B (zh) * | 2022-02-21 | 2022-06-14 | 中国电子科技集团公司信息科学研究院 | 一种用于气体检测的声表面波横向耦合谐振器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57119509A (en) * | 1981-01-19 | 1982-07-26 | Toshiba Corp | Surface acoustic wave resonator |
USRE33957E (en) * | 1982-07-26 | 1992-06-09 | Toyo Communication Equipment Co., Ltd. | High frequency narrow-band multi-mode filter |
JPS59131213A (ja) * | 1982-07-26 | 1984-07-28 | Toyo Commun Equip Co Ltd | 高周波狭帯域多重モ−ド・フイルタ |
US5223762A (en) * | 1990-12-27 | 1993-06-29 | Murata Manufacturing Co., Ltd. | Surface acoustic wave filter |
-
1993
- 1993-12-02 US US08/160,628 patent/US5365138A/en not_active Expired - Lifetime
-
1994
- 1994-06-22 KR KR1019960702889A patent/KR0175522B1/ko not_active IP Right Cessation
- 1994-06-22 CN CN94194848A patent/CN1075288C/zh not_active Expired - Fee Related
- 1994-06-22 JP JP7515305A patent/JP3060070B2/ja not_active Expired - Fee Related
- 1994-06-22 AU AU21853/95A patent/AU678903B2/en not_active Ceased
- 1994-06-22 DE DE69413843T patent/DE69413843T2/de not_active Expired - Fee Related
- 1994-06-22 WO PCT/CA1994/000345 patent/WO1995015614A1/en active IP Right Grant
- 1994-06-22 EP EP94919535A patent/EP0733282B1/de not_active Expired - Lifetime
- 1994-11-16 CA CA002135983A patent/CA2135983C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0733282B1 (de) | 1998-10-07 |
DE69413843D1 (de) | 1998-11-12 |
CA2135983C (en) | 1998-02-10 |
AU2185395A (en) | 1995-06-19 |
EP0733282A1 (de) | 1996-09-25 |
US5365138A (en) | 1994-11-15 |
JP3060070B2 (ja) | 2000-07-04 |
KR0175522B1 (ko) | 1999-04-01 |
CN1075288C (zh) | 2001-11-21 |
CA2135983A1 (en) | 1995-06-03 |
CN1141697A (zh) | 1997-01-29 |
JPH09505706A (ja) | 1997-06-03 |
WO1995015614A1 (en) | 1995-06-08 |
AU678903B2 (en) | 1997-06-12 |
KR960706715A (ko) | 1996-12-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |