DE2249509A1 - Mehrpoliger akustischer oberflaechenwellen-wandler mit einseitiger richtwirkung - Google Patents

Mehrpoliger akustischer oberflaechenwellen-wandler mit einseitiger richtwirkung

Info

Publication number
DE2249509A1
DE2249509A1 DE2249509A DE2249509A DE2249509A1 DE 2249509 A1 DE2249509 A1 DE 2249509A1 DE 2249509 A DE2249509 A DE 2249509A DE 2249509 A DE2249509 A DE 2249509A DE 2249509 A1 DE2249509 A1 DE 2249509A1
Authority
DE
Germany
Prior art keywords
electrodes
transducer
phase
converter
piezoelectric material
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.)
Pending
Application number
DE2249509A
Other languages
German (de)
English (en)
Inventor
Gerald A Aiello
Rosa Richard La
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.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine 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 Hazeltine Corp filed Critical Hazeltine Corp
Publication of DE2249509A1 publication Critical patent/DE2249509A1/de
Pending 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 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
    • H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
    • H03H9/14505—Unidirectional SAW transducers
    • 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
    • H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
    • H03H9/14508—Polyphase SAW transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE2249509A 1971-10-18 1972-10-10 Mehrpoliger akustischer oberflaechenwellen-wandler mit einseitiger richtwirkung Pending DE2249509A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/189,997 US4087714A (en) 1971-10-18 1971-10-18 Three phase unidirectional transducer

Publications (1)

Publication Number Publication Date
DE2249509A1 true DE2249509A1 (de) 1973-04-26

Family

ID=22699640

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2249509A Pending DE2249509A1 (de) 1971-10-18 1972-10-10 Mehrpoliger akustischer oberflaechenwellen-wandler mit einseitiger richtwirkung

Country Status (5)

Country Link
US (1) US4087714A (enExample)
JP (1) JPS4850654A (enExample)
DE (1) DE2249509A1 (enExample)
FR (1) FR2157531A5 (enExample)
NL (1) NL7214047A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4267533A (en) * 1980-02-01 1981-05-12 Gte Laboratories Incorporated Acoustic surface wave device
FR2480509A1 (fr) * 1980-04-14 1981-10-16 Thomson Csf Dispositif a ondes magnetostatiques de volume
JPS598418A (ja) * 1982-07-06 1984-01-17 Clarion Co Ltd 弾性表面波装置
US5264751A (en) * 1989-10-20 1993-11-23 Thomson-Csf Unilateral surface wave transducer
JP2844968B2 (ja) * 1991-06-27 1999-01-13 日本電気株式会社 弾性表面波フィルタ用重み付け電極
FR2695771B1 (fr) * 1992-09-15 1994-10-28 Thomson Csf Transducteur d'ondes unidirectionnel.
US5365207A (en) * 1992-12-31 1994-11-15 Motorola, Inc. Multi-bandwidth saw filter
DE69522066T2 (de) * 1994-09-28 2002-03-28 Ngk Insulators, Ltd. Akustische Oberflächenwellenanordnung
US7908856B2 (en) * 2007-10-24 2011-03-22 Los Alamos National Security, Llc In-line stirling energy system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3243648A (en) * 1962-03-28 1966-03-29 Gen Telephone & Elect Piezoelectric energy conversion and electroluminescent display device
US3401360A (en) * 1963-07-19 1968-09-10 Bell Telephone Labor Inc Phased transducer arrays for elastic wave transmission
US3686518A (en) * 1970-09-02 1972-08-22 Clinton S Hartmann Unidirectional surface wave transducers

Also Published As

Publication number Publication date
FR2157531A5 (enExample) 1973-06-01
US4087714A (en) 1978-05-02
JPS4850654A (enExample) 1973-07-17
NL7214047A (enExample) 1973-04-24

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