FR2621760A1 - Dispositif pour determiner les parametres d'oscillation d'une bande oscillant longitudinalement - Google Patents

Dispositif pour determiner les parametres d'oscillation d'une bande oscillant longitudinalement Download PDF

Info

Publication number
FR2621760A1
FR2621760A1 FR8812815A FR8812815A FR2621760A1 FR 2621760 A1 FR2621760 A1 FR 2621760A1 FR 8812815 A FR8812815 A FR 8812815A FR 8812815 A FR8812815 A FR 8812815A FR 2621760 A1 FR2621760 A1 FR 2621760A1
Authority
FR
France
Prior art keywords
band
oscillators
determining
receiver
mass
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
FR8812815A
Other languages
English (en)
French (fr)
Inventor
Herr Alexander Solmos
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.)
Karlsruher Institut fuer Technologie KIT
Original Assignee
Kernforschungszentrum Karlsruhe GmbH
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 Kernforschungszentrum Karlsruhe GmbH filed Critical Kernforschungszentrum Karlsruhe GmbH
Publication of FR2621760A1 publication Critical patent/FR2621760A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H13/00—Measuring resonant frequency
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/12—Measuring characteristics of vibrations in solids by using direct conduction to the detector of longitudinal or not specified vibrations
    • G01H1/14—Frequency
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S73/00—Measuring and testing
    • Y10S73/01—Vibration

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
FR8812815A 1987-10-02 1988-09-30 Dispositif pour determiner les parametres d'oscillation d'une bande oscillant longitudinalement Pending FR2621760A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873733345 DE3733345A1 (de) 1987-10-02 1987-10-02 Einrichtung zur bestimmung der schwingungsparameter eines bandes

Publications (1)

Publication Number Publication Date
FR2621760A1 true FR2621760A1 (fr) 1989-04-14

Family

ID=6337483

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8812815A Pending FR2621760A1 (fr) 1987-10-02 1988-09-30 Dispositif pour determiner les parametres d'oscillation d'une bande oscillant longitudinalement

Country Status (5)

Country Link
US (1) US4912978A (enExample)
CH (1) CH677280A5 (enExample)
DE (1) DE3733345A1 (enExample)
FR (1) FR2621760A1 (enExample)
GB (1) GB2210690A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2013859A1 (en) * 1990-04-04 1991-10-04 Cheng-Kuei Jen Thin rod flexural acoustic wave sensors
US5349844A (en) * 1992-09-11 1994-09-27 Trc Companies, Inc. System and method for resonant filter mass monitoring
US5661615A (en) * 1995-07-07 1997-08-26 Seagate Technology, Inc. Detection of mechanical defects in a disc drive using resonant frequencies
US6041642A (en) * 1998-06-04 2000-03-28 Lockheed Martin Energy Systems, Inc. Method and apparatus for sensing the natural frequency of a cantilevered body

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0214366A2 (de) * 1985-04-19 1987-03-18 Kernforschungszentrum Karlsruhe Gmbh Einrichtung zur Bestimmung der Schwingungsparameter und deren Anwendung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4177434A (en) * 1978-05-30 1979-12-04 E. I. Du Pont De Nemours And Company Constant amplitude control of electromechanical oscillators
US4799378A (en) * 1985-10-21 1989-01-24 Alcor, Inc. Piezoelectric viscometer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0214366A2 (de) * 1985-04-19 1987-03-18 Kernforschungszentrum Karlsruhe Gmbh Einrichtung zur Bestimmung der Schwingungsparameter und deren Anwendung

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
A. BAUER et al.: "Technologie und Anwendungen von Ferroelektrika", 1976, pages 360-373, Geest & Portig KG, Leipzig, DE *
THE MARCONI REVIEW, vol. XLIII, no. 218, 3-d quarter 1980, pages 156-175, Great Baddow, Essex, GB; R.M. LANGDON: "Vibratory process control transducers" *

Also Published As

Publication number Publication date
DE3733345C2 (enExample) 1991-07-18
GB2210690A (en) 1989-06-14
GB8823116D0 (en) 1988-11-09
US4912978A (en) 1990-04-03
DE3733345A1 (de) 1989-04-13
CH677280A5 (enExample) 1991-04-30

Similar Documents

Publication Publication Date Title
EP0017554B1 (fr) Accéléromètre à ondes élastiques
Monchalin Optical detection of ultrasound at a distance using a confocal Fabry–Perot interferometer
CA2553861C (fr) Structure resonante hybride
FR2627592A1 (fr) Accelerometre pendulaire non asservi a poutre resonante
EP0334705B1 (fr) Résonateurs en matériau solide élastique et oscillateurs à haute stabilité
FR2621760A1 (fr) Dispositif pour determiner les parametres d'oscillation d'une bande oscillant longitudinalement
FR2654508A1 (fr) Dispositif et sonde pour mesurer la variation de distance separant les deux faces d'une couche de matiere au moyen d'ultrasons.
FR3100405A1 (fr) Capteur à ondes acoustiques différentiel
EP4302400A1 (en) Surface acoustic wave sensor device
FR2518741A1 (fr) Gyroscope a laser annulaire
FR2521726A1 (fr) Jauge de pression du type a vibreur cylindrique
US4462256A (en) Lightweight, broadband Rayleigh wave transducer
EP0434493B1 (fr) Procédé pour augmenter la puissance des transducteurs électro-acoustiques à basse fréquence et transducteurs correspondants
US2063945A (en) Diaphragm and method
Rittenmyer et al. Direct measurement of the temperature‐dependent piezoelectric coefficients of composite materials by laser Doppler vibrometry
FR2683322A1 (fr) Rheometre acoustique haute frequence et dispositif de mesure de la viscosite d'un fluide utilisant ce rheometre.
EP0479883B1 (fr) Capteur de chocs et dispositifs portant application de ce capteur
FR3120489A1 (fr) Dispositif capteur à ondes acoustiques à deux ports
EP0012644B1 (fr) Accéléromètre à ondes élastiques de surface
FR2692017A1 (fr) Dispositif de réduction de la transmission des vibrations de machines vibrantes à l'environnement par l'intermédiaire de leurs liaisons.
SU539265A1 (ru) Ультразвуковой преобразователь
FR2503517A1 (fr) Transducteur piezo-electrique
FR2596269A1 (fr) Echographe ultrasonore apodise a barrette lineaire de transducteurs piezoelectriques et procede de realisation d'une telle barrette
CH709293A2 (fr) Microphone passif.
EP0088653B1 (fr) Ligne à retard électro-acoustique