DE2512671A1 - Mit akustischen oberflaechenwellen in einem ausgewaehlten frequenzbereich arbeitendes geraet - Google Patents

Mit akustischen oberflaechenwellen in einem ausgewaehlten frequenzbereich arbeitendes geraet

Info

Publication number
DE2512671A1
DE2512671A1 DE19752512671 DE2512671A DE2512671A1 DE 2512671 A1 DE2512671 A1 DE 2512671A1 DE 19752512671 DE19752512671 DE 19752512671 DE 2512671 A DE2512671 A DE 2512671A DE 2512671 A1 DE2512671 A1 DE 2512671A1
Authority
DE
Germany
Prior art keywords
acoustic wave
surface acoustic
wave converter
fingers
converter
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.)
Ceased
Application number
DE19752512671
Other languages
German (de)
English (en)
Inventor
Sheldon J Kerbel
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 DE2512671A1 publication Critical patent/DE2512671A1/de
Ceased 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
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/14552—Transducers of particular shape or position comprising split fingers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE19752512671 1974-03-22 1975-03-21 Mit akustischen oberflaechenwellen in einem ausgewaehlten frequenzbereich arbeitendes geraet Ceased DE2512671A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/453,616 US3987376A (en) 1974-03-22 1974-03-22 Acoustic surface wave device with harmonic coupled transducers

Publications (1)

Publication Number Publication Date
DE2512671A1 true DE2512671A1 (de) 1975-09-25

Family

ID=23801305

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752512671 Ceased DE2512671A1 (de) 1974-03-22 1975-03-21 Mit akustischen oberflaechenwellen in einem ausgewaehlten frequenzbereich arbeitendes geraet

Country Status (8)

Country Link
US (1) US3987376A (OSRAM)
JP (1) JPS5744256B2 (OSRAM)
AU (1) AU504238B2 (OSRAM)
CA (1) CA1049646A (OSRAM)
DE (1) DE2512671A1 (OSRAM)
FR (1) FR2265220B1 (OSRAM)
GB (1) GB1490882A (OSRAM)
NL (1) NL183330C (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3438246A1 (de) * 1984-10-18 1986-04-24 Siemens AG, 1000 Berlin und 8000 München Akustisches wellenfilter

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075582A (en) * 1976-06-14 1978-02-21 International Business Machines Corporation Surface acoustic wave device
US4249146A (en) * 1979-02-23 1981-02-03 Trw Inc. Surface acoustic wave resonators utilizing harmonic frequencies
DE2909705C2 (de) * 1979-03-12 1984-09-06 Siemens AG, 1000 Berlin und 8000 München Akustische Oberflächenwellenanordnung
JPS5797214A (en) * 1980-12-08 1982-06-16 Matsushita Electric Ind Co Ltd Transducer for surface wave
GB2117593B (en) * 1982-03-31 1985-11-27 Marconi Co Ltd Adjusting the frequency response of surface acoustic wave devices
JPS58213519A (ja) * 1982-06-07 1983-12-12 Clarion Co Ltd 弾性表面波装置
US4491758A (en) * 1983-05-03 1985-01-01 R F Monolithics, Inc. Surface wave device with oversampled withdrawal weighting
GB8615522D0 (en) * 1986-06-25 1986-07-30 Gen Electric Co Plc Surface acoustic wave filters
JP2870751B2 (ja) * 1987-02-13 1999-03-17 株式会社東芝 弾性表面波フィルタ
US5521565A (en) * 1988-09-28 1996-05-28 Siemens Aktiengesellschaft Surface wave interdigital transducer and surface wave filter with symmetric or predeterminable asymmetric transfer characteristic between input and output
US5264751A (en) * 1989-10-20 1993-11-23 Thomson-Csf Unilateral surface wave transducer
US5438306A (en) * 1992-07-02 1995-08-01 Kazuhiko Yamanouchi Surface acoustic wave filter device with symmetrical electrode arrangement
US5952765A (en) * 1996-11-26 1999-09-14 Trw Inc. Reduced coupling saw filter
JP3266846B2 (ja) * 1998-01-20 2002-03-18 東洋通信機株式会社 反射反転型弾性表面波変換器及びフィルタ

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2011327A1 (de) * 1969-03-12 1970-10-01 Tbomson-CSF, Paris Dispersive Verzögerungsleitung für Oberflächen-Schallwellen
US3581248A (en) * 1969-03-26 1971-05-25 Zenith Radio Corp Acoustic filters
US3614463A (en) * 1970-04-01 1971-10-19 Us Air Force Microwave acoustic surface wave limiter and method of fabrication
US3727155A (en) * 1972-03-20 1973-04-10 Zenith Radio Corp Acoustic surface wave filter
US3742396A (en) * 1971-07-23 1973-06-26 Stanford Research Inst Grating surface acoustic wave transducer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3376572A (en) * 1966-09-15 1968-04-02 Rca Corp Electroacoustic wave shaping device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2011327A1 (de) * 1969-03-12 1970-10-01 Tbomson-CSF, Paris Dispersive Verzögerungsleitung für Oberflächen-Schallwellen
US3581248A (en) * 1969-03-26 1971-05-25 Zenith Radio Corp Acoustic filters
US3614463A (en) * 1970-04-01 1971-10-19 Us Air Force Microwave acoustic surface wave limiter and method of fabrication
US3742396A (en) * 1971-07-23 1973-06-26 Stanford Research Inst Grating surface acoustic wave transducer
US3727155A (en) * 1972-03-20 1973-04-10 Zenith Radio Corp Acoustic surface wave filter

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
"Applied Physics Letters", Vol.7, No.12, 15.Dec.1965, S.314-316 *
"IEEE Transaction on Electron Devices", Vol.ED-16, No.12, Dec.1969, S.1014-1017 *
"IEEE Transactions on Electron Devices", June 1971, S.395 *
"Ultrasonics", Vol.12, No.1, Jan1973, S.24-30 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3438246A1 (de) * 1984-10-18 1986-04-24 Siemens AG, 1000 Berlin und 8000 München Akustisches wellenfilter

Also Published As

Publication number Publication date
JPS50126351A (OSRAM) 1975-10-04
CA1049646A (en) 1979-02-27
FR2265220A1 (OSRAM) 1975-10-17
NL183330C (nl) 1988-09-16
AU7720175A (en) 1976-07-15
FR2265220B1 (OSRAM) 1980-08-14
NL7503373A (nl) 1975-09-24
JPS5744256B2 (OSRAM) 1982-09-20
AU504238B2 (en) 1979-10-04
NL183330B (nl) 1988-04-18
GB1490882A (en) 1977-11-02
USB453616I5 (OSRAM) 1976-01-27
US3987376A (en) 1976-10-19

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection