DE69332837D1 - Akustische Oberflächenwellenanordnung - Google Patents

Akustische Oberflächenwellenanordnung

Info

Publication number
DE69332837D1
DE69332837D1 DE69332837T DE69332837T DE69332837D1 DE 69332837 D1 DE69332837 D1 DE 69332837D1 DE 69332837 T DE69332837 T DE 69332837T DE 69332837 T DE69332837 T DE 69332837T DE 69332837 D1 DE69332837 D1 DE 69332837D1
Authority
DE
Germany
Prior art keywords
acoustic wave
surface acoustic
wave arrangement
arrangement
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
Application number
DE69332837T
Other languages
English (en)
Other versions
DE69332837T2 (de
Inventor
Yoshiko Tera
Kouji Morishima
Atsushi Sakai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE69332837D1 publication Critical patent/DE69332837D1/de
Application granted granted Critical
Publication of DE69332837T2 publication Critical patent/DE69332837T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H03H9/643—Means for obtaining a particular transfer characteristic the transfer characteristic being determined by reflective or coupling array characteristics
    • 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02685—Grating lines having particular arrangements
    • H03H9/02771—Reflector banks
    • 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
    • H03H9/14547—Fan shaped; Tilted; Shifted; Slanted; Tapered; Arched; Stepped finger transducers
    • 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
    • H03H9/14564—Shifted fingers transducers
    • H03H9/14567—Stepped-fan shaped transducers
    • 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
    • H03H9/1457—Transducers having different finger widths
    • 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
    • H03H9/6426—Combinations of the characteristics of different transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE69332837T 1992-09-02 1993-08-30 Akustische Oberflächenwellenanordnung Expired - Fee Related DE69332837T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23453592 1992-09-02
JP4234535A JPH0685597A (ja) 1992-09-02 1992-09-02 弾性表面波装置

Publications (2)

Publication Number Publication Date
DE69332837D1 true DE69332837D1 (de) 2003-05-08
DE69332837T2 DE69332837T2 (de) 2004-02-05

Family

ID=16972552

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69332837T Expired - Fee Related DE69332837T2 (de) 1992-09-02 1993-08-30 Akustische Oberflächenwellenanordnung
DE69321799T Expired - Fee Related DE69321799T2 (de) 1992-09-02 1993-08-30 Akustische Oberflächenwellenanordnung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69321799T Expired - Fee Related DE69321799T2 (de) 1992-09-02 1993-08-30 Akustische Oberflächenwellenanordnung

Country Status (4)

Country Link
US (5) US5396199A (de)
EP (2) EP0585863B1 (de)
JP (1) JPH0685597A (de)
DE (2) DE69332837T2 (de)

Families Citing this family (22)

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JPH0685597A (ja) * 1992-09-02 1994-03-25 Mitsubishi Electric Corp 弾性表面波装置
JPH08265087A (ja) * 1995-03-22 1996-10-11 Mitsubishi Electric Corp 弾性表面波フィルタ
DK0758818T3 (da) * 1995-08-15 2000-07-24 Cts Corp Overfladeskimmende massebølgesubstat og anordning indeholdende samme
JP3106924B2 (ja) * 1995-08-31 2000-11-06 株式会社村田製作所 表面波共振子
JPH09167936A (ja) 1995-10-13 1997-06-24 Fujitsu Ltd 弾性表面波装置
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
US6003370A (en) * 1996-05-30 1999-12-21 Minolta Co., Ltd. Elastic surface wave gyroscope
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
US5948982A (en) * 1998-02-23 1999-09-07 Alliedsignal Inc. Vibrating beam accelerometers and methods of forming vibrating beam accelerometers
US6528286B1 (en) 1998-05-29 2003-03-04 Genentech, Inc. Mammalian cell culture process for producing glycoproteins
JP2000114918A (ja) 1998-10-05 2000-04-21 Mitsubishi Electric Corp 表面弾性波装置及びその製造方法
CA2375596A1 (en) * 2000-04-24 2001-11-01 Mitsubishi Denki Kabushiki Kaisha Longitudinally coupled surface acoustic wave filter
US6380828B1 (en) * 2000-07-24 2002-04-30 Nortel Networks Limited Surface wave devices with static electric field
US6791236B1 (en) * 2000-10-11 2004-09-14 Yuri Abramov Method utilizing the saw velocity dispersion effect for weighting by shaping the electrode fingers of a saw interdigital transducer and apparatus produced thereby
JP3764731B2 (ja) * 2002-10-18 2006-04-12 富士通メディアデバイス株式会社 多重モード弾性表面波フィルタ及び分波器
US9429463B2 (en) 2013-03-04 2016-08-30 International Road Dynamics, Inc. System and method for measuring moving vehicle information using electrical time domain reflectometry
US9331669B2 (en) * 2014-07-25 2016-05-03 Resonant Inc. High rejection surface acoustic wave duplexer
US9077312B1 (en) * 2014-07-25 2015-07-07 Resonant Inc. High rejection surface acoustic wave filter
JP6465207B2 (ja) * 2015-12-24 2019-02-06 株式会社村田製作所 弾性波装置
CN109462384A (zh) * 2018-12-28 2019-03-12 河北时硕微芯科技有限公司 一种声表滤波器及制作方法
IT202100006932A1 (it) * 2021-03-23 2022-09-23 Univ Degli Studi Di Firenze Trasduttore ad ultrasuoni interdigitato

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Publication number Priority date Publication date Assignee Title
GB1328343A (en) * 1969-09-17 1973-08-30 Mullard Ltd Electro mechanical filters
US3818379A (en) * 1972-12-04 1974-06-18 Hughes Aircraft Co Acoustic surface wave device
GB1474605A (en) * 1975-05-14 1977-05-25 Secr Defence Surface acoustic wave devices
DE2618210C3 (de) * 1976-04-26 1980-03-13 Siemens Ag, 1000 Berlin Und 8000 Muenchen Wandlerelektroden für Filter oder Verzögerungsleitungen nach dem Oberflächenwellenprinzip
US4130813A (en) * 1977-05-23 1978-12-19 Raytheon Company Surface wave device having enhanced reflectivity gratings
US4206380A (en) * 1978-12-22 1980-06-03 Hitachi, Ltd. Piezoelectric surface acoustic wave device with suppression of reflected signals
SU945951A1 (ru) * 1979-03-21 1982-07-23 Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср Фильтр на поверхностных акустических волнах
SU792553A1 (ru) * 1979-04-05 1980-12-30 Предприятие П/Я В-8941 Полосовой фильтр на поверхностных акустических волнах
JPS55158720A (en) * 1979-05-28 1980-12-10 Clarion Co Ltd Surface elastic wave device
GB2068672B (en) * 1979-12-24 1984-11-07 Clarion Co Ltd Surface-acoustic-wave parametric device
US4336515A (en) * 1980-10-10 1982-06-22 Zenith Radio Corporation Acoustic filter with harmonic rejection
US4370633A (en) * 1981-01-19 1983-01-25 U.S. Philips Corporation Acoustic wave bandpass electrical filters
GB2097212A (en) * 1981-04-22 1982-10-27 Philips Electronic Associated Acoustic wave bandpass electrical filters
JPS5848516A (ja) * 1981-09-18 1983-03-22 Toshiba Corp 弾性表面波装置
US4473888A (en) * 1981-10-28 1984-09-25 The United States Of America As Represented By The Secretary Of The Army Saw monolithic convolver using dispersive transducers
GB2127249A (en) * 1982-09-20 1984-04-04 Philips Electronic Associated Acoustic surface wave device
US4544857A (en) * 1983-08-29 1985-10-01 Nec Corporation High electromechanical-coupling coefficient surface acoustic wave device
JPS6212206A (ja) * 1985-07-10 1987-01-21 Hitachi Ltd 弾性表面波共振子
JPS6231212A (ja) * 1985-08-02 1987-02-10 Hitachi Ltd 弾性表面波装置
JPS6423612A (en) * 1987-07-20 1989-01-26 Hitachi Ltd Elastic surface wave device
JP2606708B2 (ja) * 1987-11-17 1997-05-07 日本無線株式会社 弾性表面波フィルタ
JPH01137718A (ja) * 1987-11-24 1989-05-30 Toshiba Corp 弾性表面波用トランスデューサ
JPH01292908A (ja) * 1988-05-20 1989-11-27 Hitachi Ltd 弾性表面波フィルタ
DE4010310A1 (de) * 1990-03-30 1991-10-02 Siemens Ag Oberflaechenwellenwandler, insbesondere in splitfinger-ausfuehrung, mit unterdrueckung von reflexionen endstaendiger wandlerfinger
US5164628A (en) * 1990-05-21 1992-11-17 Canon Kabushiki Kaisha Elastic surface wave convolva having wave width converting means and communication system using same
DE4019004A1 (de) * 1990-06-13 1991-12-19 Siemens Ag Interdigitalwandler mit fingerbreiten-wichtung fuer oberflaechenwellenanordnungen
US5185548A (en) * 1990-10-11 1993-02-09 Canon Kabushiki Kaisha Surface acoustic wave device with reflected wave at side edges on waveguide suppressed and communication system using the same
US5061871A (en) * 1991-01-25 1991-10-29 R. F. Monolithics, Inc. Electrode structure with constant velocity and zero reflectivity
JP2847438B2 (ja) * 1991-03-29 1999-01-20 三井金属鉱業株式会社 弾性表面波素子
US5438306A (en) * 1992-07-02 1995-08-01 Kazuhiko Yamanouchi Surface acoustic wave filter device with symmetrical electrode arrangement
JPH06260881A (ja) * 1992-07-24 1994-09-16 Mitsui Mining & Smelting Co Ltd 弾性表面波コンボルバ
JPH0685597A (ja) * 1992-09-02 1994-03-25 Mitsubishi Electric Corp 弾性表面波装置

Also Published As

Publication number Publication date
EP0741451A3 (de) 1996-12-27
US5485051A (en) 1996-01-16
EP0741451B1 (de) 2003-04-02
US5396199A (en) 1995-03-07
US5670921A (en) 1997-09-23
US5705964A (en) 1998-01-06
DE69321799D1 (de) 1998-12-03
DE69321799T2 (de) 1999-05-12
EP0585863A1 (de) 1994-03-09
EP0741451A2 (de) 1996-11-06
DE69332837T2 (de) 2004-02-05
JPH0685597A (ja) 1994-03-25
US5565825A (en) 1996-10-15
EP0585863B1 (de) 1998-10-28

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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