DE602004021276D1 - Akustischer wellenfilter und kommunikationseinheit - Google Patents
Akustischer wellenfilter und kommunikationseinheitInfo
- Publication number
- DE602004021276D1 DE602004021276D1 DE602004021276T DE602004021276T DE602004021276D1 DE 602004021276 D1 DE602004021276 D1 DE 602004021276D1 DE 602004021276 T DE602004021276 T DE 602004021276T DE 602004021276 T DE602004021276 T DE 602004021276T DE 602004021276 D1 DE602004021276 D1 DE 602004021276D1
- Authority
- DE
- Germany
- Prior art keywords
- wave filter
- acoustic wave
- interdigital transducer
- communication unit
- interdigital
- 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.)
- Active
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
- H03H9/02—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
- H03H9/14576—Transducers whereby only the last fingers have different characteristics with respect to the other fingers, e.g. different shape, thickness or material, split finger
- H03H9/14582—Transducers whereby only the last fingers have different characteristics with respect to the other fingers, e.g. different shape, thickness or material, split finger the last fingers having a different pitch
-
- 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
- H03H9/0047—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
- H03H9/008—Balance-unbalance or balance-balance networks using surface acoustic wave devices having three acoustic 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
- H03H9/14588—Horizontally-split transducers
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Filters And Equalizers (AREA)
- Electrophonic Musical Instruments (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003332932 | 2003-09-25 | ||
| PCT/JP2004/011908 WO2005031971A1 (ja) | 2003-09-25 | 2004-08-19 | 弾性表面波フィルタ及び通信機 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE602004021276D1 true DE602004021276D1 (de) | 2009-07-09 |
Family
ID=34385970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE602004021276T Active DE602004021276D1 (de) | 2003-09-25 | 2004-08-19 | Akustischer wellenfilter und kommunikationseinheit |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7190242B2 (de) |
| EP (1) | EP1670138B1 (de) |
| JP (1) | JP4270207B2 (de) |
| AT (1) | ATE432554T1 (de) |
| DE (1) | DE602004021276D1 (de) |
| WO (1) | WO2005031971A1 (de) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070281369A1 (en) * | 2003-12-30 | 2007-12-06 | Carter Chad J | Acousto-Mechanical Detection Systems and Methods of Use |
| JP4880478B2 (ja) * | 2003-12-30 | 2012-02-22 | スリーエム イノベイティブ プロパティズ カンパニー | 弾性表面波センサアセンブリ |
| WO2005066622A1 (en) * | 2003-12-30 | 2005-07-21 | 3M Innovative Properties Company | Estimating propagation velocity through a surface acoustic wave sensor |
| WO2006022143A1 (ja) * | 2004-08-23 | 2006-03-02 | Murata Manufacturing Co., Ltd. | バランス型弾性表面波フィルタ |
| CN101040436B (zh) * | 2004-10-22 | 2010-10-20 | 株式会社村田制作所 | 平衡型声表面波滤波器 |
| WO2006048999A1 (ja) * | 2004-11-04 | 2006-05-11 | Murata Manufacturing Co., Ltd. | バランス型ｓａｗフィルタ |
| WO2006049000A1 (ja) * | 2004-11-04 | 2006-05-11 | Murata Manufacturing Co., Ltd. | バランス型ｓａｗフィルタ |
| EP1830466B1 (de) * | 2004-12-24 | 2013-07-31 | Murata Manufacturing Co., Ltd. | Saw-filter des symmetrischen typs |
| JP5010256B2 (ja) * | 2005-11-30 | 2012-08-29 | 京セラ株式会社 | 弾性表面波装置及びこれを備えた通信装置 |
| CN100563102C (zh) | 2006-01-20 | 2009-11-25 | 株式会社村田制作所 | 声表面波滤波器件 |
| KR100959992B1 (ko) * | 2006-04-06 | 2010-05-27 | 가부시키가이샤 무라타 세이사쿠쇼 | 듀플렉서 |
| CN101473534B (zh) * | 2006-06-21 | 2013-04-17 | 株式会社村田制作所 | 弹性波滤波装置及双工器 |
| DE102006057340B4 (de) * | 2006-12-05 | 2014-05-22 | Epcos Ag | DMS-Filter mit verbesserter Anpassung |
| WO2008083279A1 (en) * | 2006-12-29 | 2008-07-10 | 3M Innovative Properties Company | Method of detection of bioanalytes by acousto-mechanical detection systems comprising the addition of liposomes |
| JP5086140B2 (ja) * | 2008-03-17 | 2012-11-28 | 太陽誘電株式会社 | 弾性波フィルタ |
| US7821360B2 (en) * | 2008-08-28 | 2010-10-26 | Northrop Grumman Systems Corporation | Multi-channel surface acoustic wave filter device with voltage controlled tunable frequency response |
| US8669832B2 (en) * | 2009-02-25 | 2014-03-11 | Panasonic Corporation | Acoustic wave device and acoustic wave filter |
| JP2010251964A (ja) | 2009-04-14 | 2010-11-04 | Murata Mfg Co Ltd | 弾性波フィルタ及び通信機 |
| JP5170262B2 (ja) * | 2009-12-25 | 2013-03-27 | 株式会社村田製作所 | 分波器 |
| WO2013141151A1 (ja) | 2012-03-22 | 2013-09-26 | 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 |
| WO2015190178A1 (ja) * | 2014-06-10 | 2015-12-17 | 株式会社村田製作所 | 弾性波装置 |
| JP6886331B2 (ja) * | 2017-04-07 | 2021-06-16 | 太陽誘電株式会社 | 弾性波共振器、フィルタおよびマルチプレクサ |
| US10021492B1 (en) | 2017-10-06 | 2018-07-10 | Aga Ad Media, Llp | Electroacoustic transducer with axial electric field |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5790000A (en) * | 1995-06-16 | 1998-08-04 | Northern Telecom Limited | Cascaded surface wave device filters providing balanced and unbalanced signal connections |
| DE19724259C2 (de) * | 1997-06-09 | 2002-11-14 | Epcos Ag | Dualmode-Oberflächenwellenfilter |
| JPH1197966A (ja) * | 1997-09-22 | 1999-04-09 | Tdk Corp | 弾性表面波フィルタ |
| JP3358615B2 (ja) * | 2000-06-26 | 2002-12-24 | 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 |
| 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 |
| KR100609219B1 (ko) | 2001-04-09 | 2006-08-02 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성표면파 장치 및 통신 장치 |
| EP1263137B1 (de) | 2001-05-31 | 2017-07-26 | Skyworks Filter Solutions Japan Co., Ltd. | Akustisches Oberflächenwellenfilter, symmetrisches Filter und Kommunikationsgerät |
| JP3780415B2 (ja) * | 2001-06-12 | 2006-05-31 | 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、およびそれを用いた通信機装置 |
| JP3685102B2 (ja) | 2001-07-27 | 2005-08-17 | 株式会社村田製作所 | 弾性表面波フィルタ、通信装置 |
| 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 |
| JP3928534B2 (ja) | 2002-02-28 | 2007-06-13 | 株式会社村田製作所 | 弾性表面波フィルタ |
| JP3931767B2 (ja) | 2002-08-29 | 2007-06-20 | 株式会社村田製作所 | 弾性表面波装置、通信装置 |
-
2004
- 2004-08-19 WO PCT/JP2004/011908 patent/WO2005031971A1/ja active Application Filing
- 2004-08-19 EP EP04771869A patent/EP1670138B1/de active Active
- 2004-08-19 AT AT04771869T patent/ATE432554T1/de not_active IP Right Cessation
- 2004-08-19 US US10/521,776 patent/US7190242B2/en active Active
- 2004-08-19 JP JP2005514161A patent/JP4270207B2/ja active Active
- 2004-08-19 DE DE602004021276T patent/DE602004021276D1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US7190242B2 (en) | 2007-03-13 |
| EP1670138A4 (de) | 2006-10-25 |
| ATE432554T1 (de) | 2009-06-15 |
| EP1670138B1 (de) | 2009-05-27 |
| WO2005031971A1 (ja) | 2005-04-07 |
| JPWO2005031971A1 (ja) | 2006-12-07 |
| US20050212621A1 (en) | 2005-09-29 |
| EP1670138A1 (de) | 2006-06-14 |
| JP4270207B2 (ja) | 2009-05-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |