ATE535056T1 - Akustischer oberflächenwellenfilter, abzweigfilter und kommunikationsvorrichtung - Google Patents

Akustischer oberflächenwellenfilter, abzweigfilter und kommunikationsvorrichtung

Info

Publication number
ATE535056T1
ATE535056T1 AT03291499T AT03291499T ATE535056T1 AT E535056 T1 ATE535056 T1 AT E535056T1 AT 03291499 T AT03291499 T AT 03291499T AT 03291499 T AT03291499 T AT 03291499T AT E535056 T1 ATE535056 T1 AT E535056T1
Authority
AT
Austria
Prior art keywords
acoustic wave
surface acoustic
filter
communication device
branch
Prior art date
Application number
AT03291499T
Other languages
English (en)
Inventor
Toshiaki Takata
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 ATE535056T1 publication Critical patent/ATE535056T1/de

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
    • G09B23/188—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for motors; for generators; for power supplies; for power distribution
    • 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
    • H03H9/14517—Means for weighting
    • 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
    • H03H9/05—Holders or supports
    • H03H9/10—Mounting in enclosures
    • H03H9/1064—Mounting in enclosures for surface acoustic wave [SAW] devices
    • H03H9/1071—Mounting in enclosures for surface acoustic wave [SAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the SAW device
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6433—Coupled resonator filters
    • H03H9/6483—Ladder SAW filters

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Computational Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Power Engineering (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
AT03291499T 2002-06-19 2003-06-19 Akustischer oberflächenwellenfilter, abzweigfilter und kommunikationsvorrichtung ATE535056T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002178235A JP3896907B2 (ja) 2002-06-19 2002-06-19 弾性表面波フィルタ、分波器、通信機

Publications (1)

Publication Number Publication Date
ATE535056T1 true ATE535056T1 (de) 2011-12-15

Family

ID=29717477

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03291499T ATE535056T1 (de) 2002-06-19 2003-06-19 Akustischer oberflächenwellenfilter, abzweigfilter und kommunikationsvorrichtung

Country Status (6)

Country Link
US (1) US6933803B2 (de)
EP (1) EP1376865B1 (de)
JP (1) JP3896907B2 (de)
KR (2) KR100567965B1 (de)
CN (1) CN1253042C (de)
AT (1) ATE535056T1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010048725A1 (en) * 2008-10-31 2010-05-06 Nortel Networks Limited Self-matched band reject filter
JP5263390B2 (ja) * 2009-04-23 2013-08-14 パナソニック株式会社 アンテナ共用器とこれを搭載した電子機器
CN104601141B (zh) * 2009-05-14 2017-10-03 天工滤波方案日本有限公司 天线共用器
JP2011038730A (ja) * 2009-08-12 2011-02-24 Toshiba Corp 飛しょう体誘導装置
CN103004085B (zh) * 2011-06-23 2015-04-15 天工松下滤波方案日本有限公司 梯型弹性波滤波器及使用该弹性波滤波器的天线双工器
US9325294B2 (en) * 2013-03-15 2016-04-26 Resonant Inc. Microwave acoustic wave filters
JP6310360B2 (ja) * 2014-08-13 2018-04-11 太陽誘電株式会社 弾性波デバイス
CN107710614B (zh) * 2015-06-24 2021-05-28 株式会社村田制作所 弹性波滤波器、多工器、双工器、高频前端电路以及通信装置
WO2017149878A1 (ja) * 2016-02-29 2017-09-08 株式会社村田製作所 帯域阻止フィルタおよび複合フィルタ
CN111448758B (zh) * 2017-12-06 2023-09-08 株式会社村田制作所 多工器、高频前端电路以及通信装置
JP2020123819A (ja) 2019-01-30 2020-08-13 株式会社村田製作所 弾性波フィルタ
WO2021045031A1 (ja) * 2019-09-02 2021-03-11 株式会社村田製作所 弾性波フィルタ

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01314008A (ja) * 1988-06-13 1989-12-19 Ngk Spark Plug Co Ltd 梯子型圧電フィルタ
JP2800905B2 (ja) 1991-10-28 1998-09-21 富士通株式会社 弾性表面波フィルタ
CA2110362C (en) * 1992-12-01 1998-01-06 Hiromi Yatsuda Surface acoustic wave filter and mobile communication system using same
JP3243976B2 (ja) * 1995-08-14 2002-01-07 株式会社村田製作所 弾性表面波フィルタ
JPH09153753A (ja) 1995-11-28 1997-06-10 Hitachi Ltd 弾性表面波装置およびそれを用いたアンテナ分波器
DE19638451A1 (de) 1996-09-19 1998-04-02 Siemens Matsushita Components Reaktanzfilter mit OFW-Resonatoren
JPH10242799A (ja) * 1997-02-26 1998-09-11 Kyocera Corp 弾性表面波フィルタ
JP3576350B2 (ja) * 1997-04-23 2004-10-13 沖電気工業株式会社 弾性表面波フィルタ
JPH11163664A (ja) * 1997-11-28 1999-06-18 Kyocera Corp 弾性表面波フィルタ
JP3228223B2 (ja) * 1998-05-26 2001-11-12 株式会社村田製作所 弾性表面波フィルタ
JP3387469B2 (ja) * 2000-01-18 2003-03-17 株式会社村田製作所 弾性表面波装置及び弾性表面波フィルタ

Also Published As

Publication number Publication date
EP1376865A2 (de) 2004-01-02
CN1253042C (zh) 2006-04-19
KR20030097668A (ko) 2003-12-31
EP1376865B1 (de) 2011-11-23
KR100688885B1 (ko) 2007-03-02
KR20060026931A (ko) 2006-03-24
US20040027213A1 (en) 2004-02-12
EP1376865A3 (de) 2006-08-02
CN1474625A (zh) 2004-02-11
JP3896907B2 (ja) 2007-03-22
JP2004023611A (ja) 2004-01-22
US6933803B2 (en) 2005-08-23
KR100567965B1 (ko) 2006-04-07

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