ATE432554T1 - Akustischer wellenfilter und kommunikationseinheit - Google Patents

Akustischer wellenfilter und kommunikationseinheit

Info

Publication number
ATE432554T1
ATE432554T1 AT04771869T AT04771869T ATE432554T1 AT E432554 T1 ATE432554 T1 AT E432554T1 AT 04771869 T AT04771869 T AT 04771869T AT 04771869 T AT04771869 T AT 04771869T AT E432554 T1 ATE432554 T1 AT E432554T1
Authority
AT
Austria
Prior art keywords
wave filter
acoustic wave
interdigital transducer
communication unit
interdigital
Prior art date
Application number
AT04771869T
Other languages
English (en)
Inventor
Yuichi Takamine
Original Assignee
Murata Manufacturing Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co filed Critical Murata Manufacturing Co
Application granted granted Critical
Publication of ATE432554T1 publication Critical patent/ATE432554T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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 elements; Electromechanical resonators
    • H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
    • H03H9/0028—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices
    • H03H9/0033—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having one acoustic track only
    • H03H9/0038—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output 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 elements; Electromechanical resonators
    • H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
    • H03H9/0028—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices
    • H03H9/0047—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having two acoustic tracks
    • H03H9/0052—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having two acoustic tracks being electrically cascaded
    • H03H9/0057—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output 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 elements; Electromechanical resonators
    • H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
    • H03H9/0028—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices
    • H03H9/008—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output 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 elements; 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)
  • Telephone Set Structure (AREA)
  • Electrophonic Musical Instruments (AREA)
AT04771869T 2003-09-25 2004-08-19 Akustischer wellenfilter und kommunikationseinheit ATE432554T1 (de)

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
ATE432554T1 true ATE432554T1 (de) 2009-06-15

Family

ID=34385970

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04771869T ATE432554T1 (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 (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0418266A (pt) * 2003-12-30 2007-05-02 3M Innovative Properties Co método, meio legìvel por computador, e, sistema
EP1700108A1 (de) * 2003-12-30 2006-09-13 3M Innovative Properties Company Akustische oberflächenwellen-sensoreinheiten
CA2552208A1 (en) * 2003-12-30 2005-07-14 3M Innovative Properties Company Detection cartridges, modules, systems and methods
KR100680512B1 (ko) * 2004-08-23 2007-02-08 가부시키가이샤 무라타 세이사쿠쇼 밸런스형 탄성 표면파 필터
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
JPWO2006048999A1 (ja) * 2004-11-04 2008-05-22 株式会社村田製作所 バランス型ｓａｗフィルタ
KR100861219B1 (ko) * 2004-11-04 2008-09-30 가부시키가이샤 무라타 세이사쿠쇼 밸런스형 ｓａｗ필터
CN100555857C (zh) * 2004-12-24 2009-10-28 株式会社村田制作所 平衡型saw滤波器
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
ATE543254T1 (de) * 2006-04-06 2012-02-15 Murata Manufacturing Co Duplexer
JP4735717B2 (ja) 2006-06-21 2011-07-27 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
DE102006057340B4 (de) * 2006-12-05 2014-05-22 Epcos Ag DMS-Filter mit verbesserter Anpassung
EP2100130A1 (de) * 2006-12-29 2009-09-16 3M Innovative Properties Company Verfahren zur detektion von bioanalyten durch akustisch-mechanische detektionssysteme unter dem zusatz von liposomen
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
CN102204092B (zh) 2009-02-25 2014-03-12 松下电器产业株式会社 弹性波元件和弹性波滤波器
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
JP5862761B2 (ja) 2012-03-22 2016-02-16 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
JP5850209B1 (ja) * 2014-06-10 2016-02-03 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
US12334910B2 (en) 2021-07-06 2025-06-17 Skyworks Solutions, Inc. Surface acoustic wave resonator with asymmetric reflectors

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5835990A (en) * 1995-06-16 1998-11-10 Northern Telecom Limited Longitudinally coupled double mode surface wave resonators
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

Also Published As

Publication number Publication date
JP4270207B2 (ja) 2009-05-27
EP1670138A1 (de) 2006-06-14
WO2005031971A1 (ja) 2005-04-07
US20050212621A1 (en) 2005-09-29
EP1670138B1 (de) 2009-05-27
US7190242B2 (en) 2007-03-13
EP1670138A4 (de) 2006-10-25
DE602004021276D1 (de) 2009-07-09
JPWO2005031971A1 (ja) 2006-12-07

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