FR2105867A5 - - Google Patents

Info

Publication number
FR2105867A5
FR2105867A5 FR7129459A FR7129459A FR2105867A5 FR 2105867 A5 FR2105867 A5 FR 2105867A5 FR 7129459 A FR7129459 A FR 7129459A FR 7129459 A FR7129459 A FR 7129459A FR 2105867 A5 FR2105867 A5 FR 2105867A5
Authority
FR
France
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
Application number
FR7129459A
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR2105867A5 publication Critical patent/FR2105867A5/fr
Expired 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
    • 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
    • H03H9/1455—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)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
FR7129459A 1970-09-30 1971-07-30 Expired FR2105867A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7694270A 1970-09-30 1970-09-30

Publications (1)

Publication Number Publication Date
FR2105867A5 true FR2105867A5 (fr) 1972-04-28

Family

ID=22135124

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7129459A Expired FR2105867A5 (fr) 1970-09-30 1971-07-30

Country Status (5)

Country Link
US (1) US3680007A (fr)
JP (1) JPS5329058B1 (fr)
DE (1) DE2139200C3 (fr)
FR (1) FR2105867A5 (fr)
GB (1) GB1345731A (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3770949A (en) * 1972-04-21 1973-11-06 Us Navy Acoustic surface wave correlators and convolvers
US3831044A (en) * 1973-11-07 1974-08-20 Us Navy Coded grating transducer
GB1481419A (en) * 1974-02-15 1977-07-27 Gen Electric Co Ltd Phase shift demodulators
GB1492987A (en) * 1974-07-02 1977-11-23 Secr Defence Surface acoustic wave devices
US3961290A (en) * 1975-02-07 1976-06-01 Texas Instruments Incorporated Programmable phase coded surface wave device
DE2839851C2 (de) * 1978-09-13 1980-09-25 Siemens Ag, 1000 Berlin Und 8000 Muenchen Oberflächenwellenanordnung mit verbesserter Störsignalunterdrückung
CA1202384A (fr) * 1983-12-22 1986-03-25 Grantley O. Este Dispositif a ondes acoustiques de surface eliminant les tensions induites
DE4010310A1 (de) * 1990-03-30 1991-10-02 Siemens Ag Oberflaechenwellenwandler, insbesondere in splitfinger-ausfuehrung, mit unterdrueckung von reflexionen endstaendiger wandlerfinger
JP3934544B2 (ja) * 2002-04-11 2007-06-20 富士通株式会社 弾性波観測装置
RU2754124C1 (ru) * 2020-10-29 2021-08-27 Федеральное государственное бюджетное учреждение науки Институт радиотехники и электроники им. В.А. Котельникова Российской академии наук Способ формирования последовательности видеоимпульсов с использованием акустической линии задержки

Family Cites Families (6)

* 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
US3568102A (en) * 1967-07-06 1971-03-02 Litton Precision Prod Inc Split surface wave acoustic delay line
US3559115A (en) * 1968-02-28 1971-01-26 Zenith Radio Corp Surface-wave filter reflection cancellation
US3548306A (en) * 1968-08-29 1970-12-15 Us Navy Surface wave spectrum analyzer and interferometer
US3573673A (en) * 1969-01-08 1971-04-06 Zenith Radio Corp Acoustic surface wave filters
US3551837A (en) * 1969-08-13 1970-12-29 Us Navy Surface wave transducers with side lobe suppression

Also Published As

Publication number Publication date
JPS5329058B1 (fr) 1978-08-18
GB1345731A (en) 1974-02-06
DE2139200B2 (de) 1979-11-29
US3680007A (en) 1972-07-25
DE2139200A1 (de) 1972-04-06
DE2139200C3 (de) 1980-10-02

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Legal Events

Date Code Title Description
ST Notification of lapse