DE69220894T2 - Räumlich sich änderndes akustisches Wellenfilter mit Mehrfachelektroden - Google Patents

Räumlich sich änderndes akustisches Wellenfilter mit Mehrfachelektroden

Info

Publication number
DE69220894T2
DE69220894T2 DE69220894T DE69220894T DE69220894T2 DE 69220894 T2 DE69220894 T2 DE 69220894T2 DE 69220894 T DE69220894 T DE 69220894T DE 69220894 T DE69220894 T DE 69220894T DE 69220894 T2 DE69220894 T2 DE 69220894T2
Authority
DE
Germany
Prior art keywords
acoustic wave
wave filter
multiple electrodes
spatially changing
changing acoustic
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
DE69220894T
Other languages
English (en)
Other versions
DE69220894D1 (de
Inventor
Donald Eugene Allen
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE69220894D1 publication Critical patent/DE69220894D1/de
Publication of DE69220894T2 publication Critical patent/DE69220894T2/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
    • H03H9/6426—Combinations of the characteristics of different 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
    • H03H9/1455—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)
DE69220894T 1991-11-18 1992-11-11 Räumlich sich änderndes akustisches Wellenfilter mit Mehrfachelektroden Expired - Fee Related DE69220894T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/793,925 US5309126A (en) 1991-11-18 1991-11-18 Spatially varying multiple electrode acoustic wave filter and method therefor

Publications (2)

Publication Number Publication Date
DE69220894D1 DE69220894D1 (de) 1997-08-21
DE69220894T2 true DE69220894T2 (de) 1998-01-29

Family

ID=25161174

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69220894T Expired - Fee Related DE69220894T2 (de) 1991-11-18 1992-11-11 Räumlich sich änderndes akustisches Wellenfilter mit Mehrfachelektroden

Country Status (5)

Country Link
US (2) US5309126A (de)
EP (1) EP0543556B1 (de)
JP (1) JPH05267989A (de)
KR (1) KR100266243B1 (de)
DE (1) DE69220894T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5309126A (en) * 1991-11-18 1994-05-03 Motorola, Inc. Spatially varying multiple electrode acoustic wave filter and method therefor
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
US5666091A (en) * 1995-03-20 1997-09-09 Hitachi Media Electronics Co., Ltd. Structure of surface acoustic wave filter
JPH08265087A (ja) * 1995-03-22 1996-10-11 Mitsubishi Electric Corp 弾性表面波フィルタ
US5536989A (en) * 1995-03-28 1996-07-16 The United States Of America As Represented By The Secretary Of The Army Circuit arrangement for saw substrates
EP0746095B1 (de) * 1995-05-29 2007-02-14 SANYO ELECTRIC Co., Ltd. Akustischer Oberflächenwellenfilter
US5835990A (en) * 1995-06-16 1998-11-10 Northern Telecom Limited Longitudinally coupled double mode surface wave resonators
EP0782255B1 (de) * 1995-12-28 2002-03-27 Murata Manufacturing Co., Ltd. Akustisches Oberflächenwellenresonatorfilter mit longitudinaler Kopplung
JP3239064B2 (ja) * 1996-05-28 2001-12-17 富士通株式会社 弾性表面波装置
JPH10190394A (ja) * 1996-12-25 1998-07-21 Murata Mfg Co Ltd 弾性表面波共振子フィルタ
JP2000165184A (ja) * 1998-11-20 2000-06-16 Fujitsu Ltd 弾性表面波素子
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
WO2007083503A1 (ja) * 2006-01-20 2007-07-26 Murata Manufacturing Co., Ltd. 弾性表面波フィルタ装置
US8816567B2 (en) 2011-07-19 2014-08-26 Qualcomm Mems Technologies, Inc. Piezoelectric laterally vibrating resonator structure geometries for spurious frequency suppression
US9743987B2 (en) 2013-03-14 2017-08-29 Board Of Regents Of The University Of Nebraska Methods, systems, and devices relating to robotic surgical devices, end effectors, and controllers
EP3110305B1 (de) 2014-02-27 2021-09-01 University Surgical Associates, Inc. Interaktive anzeige für chirurgie
WO2018112199A1 (en) 2016-12-14 2018-06-21 Virtual Incision Corporation Releasable attachment device for coupling to medical devices and related systems and methods

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582838A (en) * 1966-09-27 1971-06-01 Zenith Radio Corp Surface wave devices
US3596211A (en) * 1967-11-06 1971-07-27 Zenith Radio Corp Surface-wave filter reflection cancellation
US3868608A (en) * 1974-04-01 1975-02-25 Gte Sylvania Inc Surface wave filter
JPS5422745A (en) * 1977-07-22 1979-02-20 Hitachi Ltd Elastic surface wave filter
US4384264A (en) * 1979-04-24 1983-05-17 Murata Manufacturing Company Ltd. Surface acoustic wave device
DE7920687U1 (de) * 1979-07-17 1979-10-18 Siemens Ag, 1000 Berlin Und 8000 Muenchen Elektrisches Kabel mit mehrdrähtigem Leiter und Feuchtigkeitssperre
JPS57202114A (en) * 1981-06-05 1982-12-10 Hitachi Ltd Band pass filter
JPS58154917A (ja) * 1982-03-10 1983-09-14 Hitachi Ltd 弾性表面波バンドパスフイルタ
US4411662A (en) * 1982-04-06 1983-10-25 Baxter Travenol Laboratories, Inc. Sterile coupling
US4544857A (en) * 1983-08-29 1985-10-01 Nec Corporation High electromechanical-coupling coefficient surface acoustic wave device
JPS62115A (ja) * 1985-02-25 1987-01-06 Oki Electric Ind Co Ltd 弾性表面波フイルタ
JPH0697727B2 (ja) * 1985-03-27 1994-11-30 株式会社日立製作所 弾性表面波フィルタ
JPS63132515A (ja) * 1986-11-25 1988-06-04 Hitachi Ltd 弾性表面波複合フイルタ
DE3853513T2 (de) * 1987-11-20 1995-11-23 Oki Electric Ind Co Ltd Akustische Oberflächenwellenanordnung.
JPH036913A (ja) * 1989-06-05 1991-01-14 Hitachi Ltd 弾性表面波フィルタ及びそれを用いた移動無線装置
JP2933171B2 (ja) * 1989-09-04 1999-08-09 日本無線株式会社 弾性表面波フィルタ
US5309126A (en) * 1991-11-18 1994-05-03 Motorola, Inc. Spatially varying multiple electrode acoustic wave filter and method therefor

Also Published As

Publication number Publication date
EP0543556A1 (de) 1993-05-26
KR100266243B1 (ko) 2000-09-15
EP0543556B1 (de) 1997-07-16
JPH05267989A (ja) 1993-10-15
US5463361A (en) 1995-10-31
DE69220894D1 (de) 1997-08-21
US5309126A (en) 1994-05-03

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee