FR2275779A1 - Dispositif de mesure de variations de frequence a l'aide d'ondes elastiques de surface - Google Patents

Dispositif de mesure de variations de frequence a l'aide d'ondes elastiques de surface

Info

Publication number
FR2275779A1
FR2275779A1 FR7421123A FR7421123A FR2275779A1 FR 2275779 A1 FR2275779 A1 FR 2275779A1 FR 7421123 A FR7421123 A FR 7421123A FR 7421123 A FR7421123 A FR 7421123A FR 2275779 A1 FR2275779 A1 FR 2275779A1
Authority
FR
France
Prior art keywords
surface waves
elastic surface
measuring frequency
frequency variations
variations
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.)
Granted
Application number
FR7421123A
Other languages
English (en)
French (fr)
Other versions
FR2275779B1 (enExample
Inventor
Pierre Hartemann
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7421123A priority Critical patent/FR2275779A1/fr
Priority to US05/586,750 priority patent/US4034288A/en
Priority to GB25837/75A priority patent/GB1511307A/en
Priority to DE19752527082 priority patent/DE2527082A1/de
Priority to JP50074226A priority patent/JPS595868B2/ja
Publication of FR2275779A1 publication Critical patent/FR2275779A1/fr
Application granted granted Critical
Publication of FR2275779B1 publication Critical patent/FR2275779B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/36—Devices for manipulating acoustic surface waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
FR7421123A 1974-06-18 1974-06-18 Dispositif de mesure de variations de frequence a l'aide d'ondes elastiques de surface Granted FR2275779A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7421123A FR2275779A1 (fr) 1974-06-18 1974-06-18 Dispositif de mesure de variations de frequence a l'aide d'ondes elastiques de surface
US05/586,750 US4034288A (en) 1974-06-18 1975-06-13 System for measuring the frequency of an electrical signal
GB25837/75A GB1511307A (en) 1974-06-18 1975-06-17 System for measuring the frequency of an electrical signa
DE19752527082 DE2527082A1 (de) 1974-06-18 1975-06-18 Vorrichtung zur messung von frequenzaenderungen mit hilfe von elastischen oberflaechenwellen
JP50074226A JPS595868B2 (ja) 1974-06-18 1975-06-18 電気信号周波数測定装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7421123A FR2275779A1 (fr) 1974-06-18 1974-06-18 Dispositif de mesure de variations de frequence a l'aide d'ondes elastiques de surface

Publications (2)

Publication Number Publication Date
FR2275779A1 true FR2275779A1 (fr) 1976-01-16
FR2275779B1 FR2275779B1 (enExample) 1980-01-04

Family

ID=9140197

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7421123A Granted FR2275779A1 (fr) 1974-06-18 1974-06-18 Dispositif de mesure de variations de frequence a l'aide d'ondes elastiques de surface

Country Status (5)

Country Link
US (1) US4034288A (enExample)
JP (1) JPS595868B2 (enExample)
DE (1) DE2527082A1 (enExample)
FR (1) FR2275779A1 (enExample)
GB (1) GB1511307A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5717105Y2 (enExample) * 1976-02-19 1982-04-09
FR2473776B1 (fr) * 1980-01-11 1985-07-05 Cgr Mev Appareil d'irradiation utilisant des sources radioactives
GB2128429A (en) * 1982-09-17 1984-04-26 Marconi Co Ltd An oscillator
GB2145893B (en) * 1983-08-30 1987-01-07 Nat Res Dev Surface acoustic wave device
US4541687A (en) * 1983-09-02 1985-09-17 Trw Inc. Signal processing system and method
US4499393A (en) * 1984-02-15 1985-02-12 Trw Inc. Surface acoustic wave spectrum analyzer
US4614919A (en) * 1984-07-03 1986-09-30 The United States Of America As Represented By The Secretary Of The Air Force Magnetostatic wave frequency analyzer apparatus
CN107796929A (zh) * 2017-11-06 2018-03-13 华侨大学 弹性波辅助水泥注浆止水模型试验装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697899A (en) * 1971-04-05 1972-10-10 Zenith Radio Corp Acoustic surface wave transmission device
US3727718A (en) * 1971-11-24 1973-04-17 Us Navy Surface wave ambiguity analyzer

Also Published As

Publication number Publication date
GB1511307A (en) 1978-05-17
DE2527082A1 (de) 1976-01-08
JPS5114073A (enExample) 1976-02-04
FR2275779B1 (enExample) 1980-01-04
US4034288A (en) 1977-07-05
JPS595868B2 (ja) 1984-02-07

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Legal Events

Date Code Title Description
ST Notification of lapse