FI940014A - IIDT-tyyppinen pintaääniaaltolaite - Google Patents
IIDT-tyyppinen pintaääniaaltolaite Download PDFInfo
- Publication number
- FI940014A FI940014A FI940014A FI940014A FI940014A FI 940014 A FI940014 A FI 940014A FI 940014 A FI940014 A FI 940014A FI 940014 A FI940014 A FI 940014A FI 940014 A FI940014 A FI 940014A
- Authority
- FI
- Finland
- Prior art keywords
- sound wave
- wave device
- type surface
- surface sound
- iidt type
- Prior art date
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
- H03H9/6436—Coupled resonator filters having one acoustic track only
-
- 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
- H03H9/0033—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only
- H03H9/0038—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only the balanced terminals being on the same side of the track
-
- 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
- H03H9/0033—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only
- H03H9/0042—Balance-unbalance or balance-balance networks using surface acoustic wave devices having one acoustic track only the balanced terminals being on opposite sides of the track
-
- 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
- H03H9/0023—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
- H03H9/0061—Balance-unbalance or balance-balance networks using surface acoustic wave devices having two acoustic tracks being electrically cascaded the balanced terminals being on opposite sides 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
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14544—Transducers of particular shape or position
- H03H9/1455—Transducers of particular shape or position constituted of N parallel or series transducers
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP35093 | 1993-01-05 | ||
JP00035093A JP3254779B2 (ja) | 1993-01-05 | 1993-01-05 | 多電極形弾性表面波装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI940014A0 FI940014A0 (fi) | 1994-01-03 |
FI940014A true FI940014A (fi) | 1994-07-06 |
FI113920B FI113920B (fi) | 2004-06-30 |
Family
ID=11471393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI940014A FI113920B (fi) | 1993-01-05 | 1994-01-03 | IIDT-tyyppinen pinta-akustinen aaltolaite |
Country Status (4)
Country | Link |
---|---|
US (1) | US5568002A (fi) |
EP (1) | EP0605884A1 (fi) |
JP (1) | JP3254779B2 (fi) |
FI (1) | FI113920B (fi) |
Families Citing this family (69)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0584761B2 (en) * | 1992-08-24 | 2005-08-31 | NRS Technologies Inc. | Surface acoustic wave resonator filter |
JP3237387B2 (ja) * | 1994-04-12 | 2001-12-10 | 株式会社村田製作所 | 弾性表面波共振子フィルタ |
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 |
US5835990A (en) * | 1995-06-16 | 1998-11-10 | Northern Telecom Limited | Longitudinally coupled double mode surface wave resonators |
GB2306821B (en) * | 1995-11-03 | 2000-05-31 | Advanced Saw Prod Sa | Electro-acoustic device |
JPH09205342A (ja) * | 1996-01-26 | 1997-08-05 | Matsushita Electric Ind Co Ltd | 弾性表面波フィルタ |
DE69724689T2 (de) * | 1996-04-02 | 2004-04-08 | Matsushita Electric Industrial Co., Ltd., Kadoma | Akustischer Oberflächenwellenfilter |
JP3239064B2 (ja) * | 1996-05-28 | 2001-12-17 | 富士通株式会社 | 弾性表面波装置 |
US6003370A (en) * | 1996-05-30 | 1999-12-21 | Minolta Co., Ltd. | Elastic surface wave gyroscope |
DE19638370C2 (de) * | 1996-09-19 | 2001-06-13 | Epcos Ag | Oberflächenwellenfilter für unsymmetrische/symmetrische und symmetrische/symmetrische Betriebsweise |
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 |
JP2982864B2 (ja) * | 1996-10-14 | 1999-11-29 | 日本電気株式会社 | 弾性表面波装置 |
US6144288A (en) * | 1997-03-28 | 2000-11-07 | Eaton Corporation | Remote wireless switch sensing circuit using RF transceiver in combination with a SAW chirp processor |
US5896071A (en) * | 1997-05-15 | 1999-04-20 | Northern Telecom Limited | Surface wave device balun resonator filters |
DE19724259C2 (de) * | 1997-06-09 | 2002-11-14 | Epcos Ag | Dualmode-Oberflächenwellenfilter |
DE19724258C2 (de) * | 1997-06-09 | 2002-10-10 | Epcos Ag | Dualmode-Oberflächenwellenfilter |
WO2004102797A1 (ja) * | 1997-07-17 | 2004-11-25 | Michiaki Takagi | 2ポートsaw共振子 |
EP0940915B1 (en) * | 1998-03-06 | 2007-07-11 | Kabushiki Kaisha Toshiba | Surface acoustic wave device and communication apparatus |
DE19818038B4 (de) * | 1998-04-22 | 2004-07-22 | Epcos Ag | Dualmode-Oberflächenwellenfilter |
DE19818826B4 (de) * | 1998-04-27 | 2004-11-04 | Epcos Ag | Oberflächenwellenfilter mit erhöhter Bandbreite |
JP2000286675A (ja) * | 1999-03-29 | 2000-10-13 | Sanyo Electric Co Ltd | 弾性表面波フィルター装置及びこれを具えた携帯電話機 |
US6255915B1 (en) * | 1999-05-10 | 2001-07-03 | Research In Motion Limited | Differential surface acoustic wave filter having balanced outputs |
JP3607833B2 (ja) * | 1999-05-28 | 2005-01-05 | 沖電気工業株式会社 | 差動弾性表面波フィルタ |
DE19938748B4 (de) * | 1999-08-16 | 2007-02-01 | Epcos Ag | Dualmode-Oberflächenwellen-Filter mit verbesserter Symmetrie und erhöhter Sperrdämpfung |
US6720842B2 (en) | 2000-02-14 | 2004-04-13 | Murata Manufacturing Co., Ltd. | Surface acoustic wave filter device having first through third surface acoustic wave filter elements |
DE10007178A1 (de) | 2000-02-17 | 2001-08-23 | Epcos Ag | Oberflächenwellenfilter mit Reaktanzelementen |
JP2001267885A (ja) * | 2000-03-17 | 2001-09-28 | Fujitsu Media Device Kk | 弾性表面波装置 |
DE10013861A1 (de) * | 2000-03-21 | 2001-09-27 | Epcos Ag | Dualmode-Oberflächenwellenfilter mit verbesserter Symmetrie und erhöhter Sperrdämpfung |
JP3391346B2 (ja) | 2000-04-18 | 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 |
US6825794B2 (en) * | 2000-06-02 | 2004-11-30 | Research In Motion Limited | Wireless communication system using surface acoustic wave (SAW) second harmonic techniques |
US6462698B2 (en) | 2000-06-02 | 2002-10-08 | Research In Motion Limited | Wireless communication system using surface acoustic wave (SAW) single-phase unidirectional transducer (SPUDT) techniques |
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 |
JP3687566B2 (ja) * | 2000-07-25 | 2005-08-24 | 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 |
JP3478260B2 (ja) * | 2000-10-27 | 2003-12-15 | 株式会社村田製作所 | 弾性表面波フィルタおよび通信機装置 |
JP3440935B2 (ja) * | 2000-11-29 | 2003-08-25 | 株式会社村田製作所 | 弾性表面波フィルタ |
JP3480445B2 (ja) * | 2001-01-10 | 2003-12-22 | 株式会社村田製作所 | 弾性表面波装置 |
US6828879B2 (en) * | 2001-02-16 | 2004-12-07 | Sanyo Electric Co., Ltd. | Longitudinal coupled multiple mode surface acoustic wave filter |
JP3384403B2 (ja) * | 2001-03-01 | 2003-03-10 | 株式会社村田製作所 | 弾性表面波装置、通信装置 |
JP2002300004A (ja) * | 2001-03-29 | 2002-10-11 | Kyocera Corp | 弾性表面波フィルタ |
KR100609219B1 (ko) * | 2001-04-09 | 2006-08-02 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성표면파 장치 및 통신 장치 |
JP3509771B2 (ja) * | 2001-04-18 | 2004-03-22 | 株式会社村田製作所 | 弾性表面波フィルタ装置、通信装置 |
EP1263137B1 (en) | 2001-05-31 | 2017-07-26 | Skyworks Filter Solutions Japan Co., Ltd. | Surface acoustic wave filter, balanced type filter and communication device |
JP2003069383A (ja) * | 2001-08-29 | 2003-03-07 | Murata Mfg Co Ltd | 弾性表面波フィルタ |
JP3820954B2 (ja) * | 2001-10-12 | 2006-09-13 | 株式会社村田製作所 | 弾性表面波装置、通信装置 |
TWI315607B (en) * | 2001-10-29 | 2009-10-01 | Panasonic Corp | Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same |
JP3826877B2 (ja) * | 2002-01-22 | 2006-09-27 | 株式会社村田製作所 | 弾性表面波装置およびそれを有する通信装置 |
JP3846409B2 (ja) * | 2002-02-15 | 2006-11-15 | 株式会社村田製作所 | 弾性表面波装置、通信装置 |
JP3838128B2 (ja) | 2002-03-18 | 2006-10-25 | 株式会社村田製作所 | 弾性表面波装置、および、これを搭載した通信装置 |
EP1372263A3 (en) * | 2002-04-15 | 2009-09-16 | Panasonic Corporation | High-frequency device and communication apparatus |
US6856214B2 (en) * | 2002-12-10 | 2005-02-15 | Nortel Networks Limited | Surface wave devices with low passband ripple |
FR2848745B1 (fr) * | 2002-12-17 | 2005-04-08 | Temex Sa | Filtre dms a faibles pertes d'insertion et symetrie optimisee |
JP4291115B2 (ja) * | 2003-11-21 | 2009-07-08 | 富士通メディアデバイス株式会社 | 弾性表面波フィルタ及びそれを用いた無線装置 |
DE102004020183B4 (de) | 2004-04-22 | 2015-12-03 | Epcos Ag | Oberflächenwellen-Resonatorfilter mit longitudinal gekoppelten Wandlern |
KR100680512B1 (ko) | 2004-08-23 | 2007-02-08 | 가부시키가이샤 무라타 세이사쿠쇼 | 밸런스형 탄성 표면파 필터 |
JP4303178B2 (ja) | 2004-08-31 | 2009-07-29 | 富士通メディアデバイス株式会社 | 弾性表面波装置 |
DE102004048715B4 (de) | 2004-10-06 | 2014-05-22 | Epcos Ag | SAW-Filter mit Impedanz-Transformation |
JP4556950B2 (ja) | 2004-10-22 | 2010-10-06 | 株式会社村田製作所 | バランス型弾性表面波フィルタ |
CN1976222B (zh) | 2005-11-30 | 2011-09-21 | 京瓷株式会社 | 声表面波元件、声表面波装置以及具有它的通信装置 |
JP2006101550A (ja) * | 2005-12-05 | 2006-04-13 | Fujitsu Media Device Kk | 弾性表面波デバイス及びこれを用いた通信装置、並びにアンテナデュプレクサ |
CN101438495B (zh) * | 2006-05-08 | 2012-04-18 | 株式会社村田制作所 | 弹性波滤波装置和双工器 |
WO2007148510A1 (ja) * | 2006-06-21 | 2007-12-27 | Murata Manufacturing Co., Ltd. | 弾性波フィルタ装置及びデュプレクサ |
JP4873010B2 (ja) * | 2006-09-28 | 2012-02-08 | 株式会社村田製作所 | バランス型弾性波フィルタ装置 |
KR101113362B1 (ko) | 2007-08-23 | 2012-03-02 | 다이요 유덴 가부시키가이샤 | 듀플렉서, 통신 모듈, 및 통신 장치 |
WO2009139280A1 (ja) * | 2008-05-13 | 2009-11-19 | 株式会社村田製作所 | アンプモジュール |
JP5350720B2 (ja) * | 2008-09-02 | 2013-11-27 | 太陽誘電株式会社 | 弾性波デバイス、及び弾性波装置 |
JP5100890B2 (ja) * | 2009-06-26 | 2012-12-19 | 京セラ株式会社 | 弾性表面波フィルタおよびそれを用いた分波器 |
CN104902416B (zh) * | 2015-04-28 | 2018-02-16 | 南京航空航天大学 | 一种多叉指并联型乐甫波器件结构及其批量液体检测方法 |
CN105631106B (zh) * | 2015-12-25 | 2018-11-20 | 北京航天微电科技有限公司 | 一种高频声表面波器件声电协同全波仿真方法 |
US20170245361A1 (en) * | 2016-01-06 | 2017-08-24 | Nokomis, Inc. | Electronic device and methods to customize electronic device electromagnetic emissions |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3872410A (en) * | 1972-12-04 | 1975-03-18 | Gte Laboratories Inc | Surface wave filter for tv if stage |
US4044321A (en) * | 1976-03-01 | 1977-08-23 | Rockwell International Corporation | Surface acoustic wave band pass filtering |
JPS57202114A (en) * | 1981-06-05 | 1982-12-10 | Hitachi Ltd | Band pass filter |
JPS62115A (ja) * | 1985-02-25 | 1987-01-06 | Oki Electric Ind Co Ltd | 弾性表面波フイルタ |
JPH01157109A (ja) * | 1987-12-14 | 1989-06-20 | Hitachi Ltd | 弾性表面波共振器 |
DE3942148A1 (de) * | 1989-12-20 | 1991-06-27 | Siemens Ag | Oberflaechenwellen-reflektorfilter |
EP0487783B1 (de) * | 1990-11-30 | 1997-02-05 | SIEMENS MATSUSHITA COMPONENTS GmbH & CO. KG | Oberflächenwellen-Resonator |
CA2062463C (en) * | 1991-03-29 | 1996-01-16 | Yoshio Satoh | Surface acoustic wave device for band-pass filter having small insertion loss and predetermined pass-band characteristics for broad band |
-
1993
- 1993-01-05 JP JP00035093A patent/JP3254779B2/ja not_active Expired - Lifetime
- 1993-12-28 EP EP93121017A patent/EP0605884A1/en not_active Withdrawn
-
1994
- 1994-01-03 FI FI940014A patent/FI113920B/fi not_active IP Right Cessation
-
1995
- 1995-10-10 US US08/541,935 patent/US5568002A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5568002A (en) | 1996-10-22 |
EP0605884A1 (en) | 1994-07-13 |
JPH06204781A (ja) | 1994-07-22 |
FI113920B (fi) | 2004-06-30 |
JP3254779B2 (ja) | 2002-02-12 |
FI940014A0 (fi) | 1994-01-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MA | Patent expired |