DE69307201T2 - Akustische Oberflächenwellenanordnung, Demodulator und Kommunikationssystem mit dieser akustischen Oberflächenwellenanordnung - Google Patents

Akustische Oberflächenwellenanordnung, Demodulator und Kommunikationssystem mit dieser akustischen Oberflächenwellenanordnung

Info

Publication number
DE69307201T2
DE69307201T2 DE69307201T DE69307201T DE69307201T2 DE 69307201 T2 DE69307201 T2 DE 69307201T2 DE 69307201 T DE69307201 T DE 69307201T DE 69307201 T DE69307201 T DE 69307201T DE 69307201 T2 DE69307201 T2 DE 69307201T2
Authority
DE
Germany
Prior art keywords
surface wave
acoustic surface
wave arrangement
demodulator
communication system
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
DE69307201T
Other languages
English (en)
Other versions
DE69307201D1 (de
Inventor
Norihiro Mochizuki
Hidetada Nago
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Publication of DE69307201D1 publication Critical patent/DE69307201D1/de
Application granted granted Critical
Publication of DE69307201T2 publication Critical patent/DE69307201T2/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
    • H03H9/02—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
    • H03H9/14561—Arched, curved or ring 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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6406—Filters characterised by a particular frequency characteristic
    • H03H9/6416—SAW matched filters, e.g. surface acoustic wave compressors, chirped or coded surface acoustic wave filters
    • 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
    • H03H9/6433—Coupled resonator filters
    • H03H9/6486—Coupled resonator filters having crossing or intersecting acoustic tracks, e.g. intersection in a perpendicular or diagonal orientation
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69307201T 1992-06-29 1993-06-29 Akustische Oberflächenwellenanordnung, Demodulator und Kommunikationssystem mit dieser akustischen Oberflächenwellenanordnung Expired - Fee Related DE69307201T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19280892 1992-06-29
JP5182213A JPH0677759A (ja) 1992-06-29 1993-06-29 弾性表面波素子及びそれを用いた復調装置及び通信システム

Publications (2)

Publication Number Publication Date
DE69307201D1 DE69307201D1 (de) 1997-02-20
DE69307201T2 true DE69307201T2 (de) 1997-05-15

Family

ID=26501094

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69307201T Expired - Fee Related DE69307201T2 (de) 1992-06-29 1993-06-29 Akustische Oberflächenwellenanordnung, Demodulator und Kommunikationssystem mit dieser akustischen Oberflächenwellenanordnung

Country Status (4)

Country Link
US (1) US5374863A (de)
EP (1) EP0577089B1 (de)
JP (1) JPH0677759A (de)
DE (1) DE69307201T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5734326A (en) * 1994-11-28 1998-03-31 The United States Of America As Represented By The Secretary Of The Army Recognition tag for use in a system for identifying distant items
JPH0998061A (ja) * 1995-07-24 1997-04-08 Canon Inc Ｓａｗマッチドフィルタ及びこれを用いた受信装置及び通信システム
DE19911369C2 (de) 1999-03-15 2003-04-03 Nanotron Ges Fuer Mikrotechnik Oberflächen-Wellen-Wandler-Einrichtung sowie Identifikationssystem hiermit
US6407650B1 (en) * 1999-08-27 2002-06-18 Board Of Regents The University Of Texas System Surface acoustic wave shaping system
GB2363011B (en) * 2000-05-31 2002-04-17 Acoustical Tech Sg Pte Ltd Surface acoustic wave device
US6919669B2 (en) * 2002-03-15 2005-07-19 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Electro-active device using radial electric field piezo-diaphragm for sonic applications
DE102006042616B4 (de) 2006-09-04 2008-07-03 Leibniz-Institut Für Festkörper- Und Werkstoffforschung Dresden E.V. Wellenleiterbauelemente auf der Grundlage akustischer Oberflächenwellen und deren Verwendung
JP4760931B2 (ja) * 2009-03-02 2011-08-31 株式会社デンソー 弾性表面波素子
DE102009002631B4 (de) * 2009-04-24 2015-08-20 Michael Förg Piezoelektrischer Antrieb und Mikroventil mit einem solchen
US10848124B2 (en) * 2016-10-19 2020-11-24 University Of Massachusetts Piezoelectric transducer device with resonance region

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3845419A (en) * 1973-04-02 1974-10-29 G Nudd Acoustic surface wave device
JPS5434519B2 (de) * 1973-08-31 1979-10-27
US3882433A (en) * 1974-02-15 1975-05-06 Zenith Radio Corp Swif with transducers having varied duty factor fingers for trap enhancement
US4075582A (en) * 1976-06-14 1978-02-21 International Business Machines Corporation Surface acoustic wave device
US4166987A (en) * 1978-02-15 1979-09-04 Bell Telephone Laboratories, Incorporated Surface acoustic wave multistrip coupler
US4506239A (en) * 1982-10-25 1985-03-19 Motorola, Inc. Compound surface acoustic wave matched filters
EP0373404B1 (de) * 1988-12-15 1997-01-29 Canon Kabushiki Kaisha Oberflächenschallwellenfaltungsvorrichtung mit mehreren Wellenleiterwegen zur Erzeugung von Faltungssignalen mit gegenseitig verschiedenen Phasen
JPH02189015A (ja) * 1989-01-17 1990-07-25 Clarion Co Ltd 弾性表面波装置
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
US5200663A (en) * 1990-08-29 1993-04-06 Canon Kabushiki Kaisha Surface acoustic wave device provided with output transducer split into a plurality of portions, and communication system using the same
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
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

Also Published As

Publication number Publication date
DE69307201D1 (de) 1997-02-20
JPH0677759A (ja) 1994-03-18
EP0577089A1 (de) 1994-01-05
US5374863A (en) 1994-12-20
EP0577089B1 (de) 1997-01-08

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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