FR2281558B1 - - Google Patents

Info

Publication number
FR2281558B1
FR2281558B1 FR7524690A FR7524690A FR2281558B1 FR 2281558 B1 FR2281558 B1 FR 2281558B1 FR 7524690 A FR7524690 A FR 7524690A FR 7524690 A FR7524690 A FR 7524690A FR 2281558 B1 FR2281558 B1 FR 2281558B1
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
FR7524690A
Other languages
French (fr)
Other versions
FR2281558A1 (fr
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.)
United States Department of Commerce
Original Assignee
United States Department of Commerce
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 United States Department of Commerce filed Critical United States Department of Commerce
Publication of FR2281558A1 publication Critical patent/FR2281558A1/fr
Application granted granted Critical
Publication of FR2281558B1 publication Critical patent/FR2281558B1/fr
Granted 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
    • G01G—WEIGHING
    • G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
    • G01G3/16—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of frequency of oscillations of the body
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/10—Measuring force or stress, in general by measuring variations of frequency of stressed vibrating elements, e.g. of stressed strings
    • 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
    • Y10S331/00—Oscillators
    • Y10S331/02—Phase locked loop having lock indicating or detecting means
    • 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)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Measurement Of Current Or Voltage (AREA)
FR7524690A 1974-08-07 1975-08-07 Appareil de mesure de la frequence naturelle de vibration d'un fil tendu Granted FR2281558A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US495347A US3889525A (en) 1974-08-07 1974-08-07 Vibrating wire meter

Publications (2)

Publication Number Publication Date
FR2281558A1 FR2281558A1 (fr) 1976-03-05
FR2281558B1 true FR2281558B1 (enExample) 1979-05-18

Family

ID=23968287

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7524690A Granted FR2281558A1 (fr) 1974-08-07 1975-08-07 Appareil de mesure de la frequence naturelle de vibration d'un fil tendu

Country Status (4)

Country Link
US (1) US3889525A (enExample)
DE (1) DE2535340A1 (enExample)
FR (1) FR2281558A1 (enExample)
GB (1) GB1508686A (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5291459A (en) * 1976-01-27 1977-08-01 Hitachi Ltd Inspector and its inspection method
DE2716910C3 (de) * 1977-04-16 1981-03-12 Dr.-Ing. Reiner Foerst Gmbh, 5270 Gummersbach Einrichtung zum Stimmen von Musikinstrumenten
DE2750121C2 (de) * 1977-11-09 1982-05-19 Dr.-Ing. Reiner Foerst Gmbh, 5270 Gummersbach Musikinstrumenten-Stimmgerät
US4441363A (en) * 1981-07-08 1984-04-10 Utah State University Foundation Apparatus and method for measuring concentrations of supercooled liquid water
JPS59131131A (ja) * 1983-01-17 1984-07-27 Yamato Scale Co Ltd 力測定装置
CA1271647A (en) * 1989-04-07 1990-07-17 Gerhard H. Herget Borehole strain monitor for soft rock
US4977784A (en) * 1989-05-08 1990-12-18 Sri International Axle spindle load and torque sensing apparatus and method for sensing load and torque
US5796005A (en) * 1991-06-12 1998-08-18 Frolow; Jack L. Flex meter for sports game implements
US5397983A (en) * 1993-01-22 1995-03-14 Consolidated Edison Company Of New York, Inc. Vibration based deenergized cable detector and method
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
NL1020131C1 (nl) * 2002-03-07 2003-09-10 Govert De Vries Werkwijze en inrichting voor het meten en presenteren van parameters bij het met behulp van een slagwerktuig slaan tegen een te verplaatsen voorwerp.
US7591187B2 (en) * 2005-05-10 2009-09-22 Microstrain, Inc. Wireless vibrating strain gauge for smart civil structures
WO2007130683A2 (en) * 2006-05-05 2007-11-15 University Of Dayton System and method for detecting vibration-induced failures in wiring bundles
CZ298425B6 (cs) * 2006-07-03 2007-09-26 Ceské vysoké ucení technické v Praze Fakulta elektrotechnická Zarízení pro kontinuální merení kmitu strunových tenzometrických snímacu s dvouvodicovým pripojením
US7779690B2 (en) * 2007-02-06 2010-08-24 Campbell Scientific, Inc. Vibrating wire sensor using spectral analysis
CZ2008419A3 (cs) * 2008-07-03 2009-02-18 Ceské vysoké ucení technické v Praze Fakulta elektrotechnická Zarízení pro kontinuální merení kmitu strunových tenzometrických snímacu s dvouvodicovým pripojením
US8671758B2 (en) * 2011-11-17 2014-03-18 Campbell Scientific, Inc. System and method for measuring the frequency of a vibrating object
CN105486334B (zh) * 2015-12-01 2017-11-10 常州大学 一种关于振弦传感器频率的快速测量装置
CN113899444A (zh) * 2021-10-08 2022-01-07 招商局重庆交通科研设计院有限公司 一种基于汉宁双窗的振弦传感器共振频率测量方法
CN119043514A (zh) * 2024-07-26 2024-11-29 广西壮族自治区水利电力勘测设计研究院有限责任公司 一种数据采集装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3583225A (en) * 1969-08-13 1971-06-08 Charles G Wing Shipboard gravimeter
BE759264A (fr) * 1969-11-25 1971-04-30 Euratom Dispositif de controle de la frequence de resonance d'un corps

Also Published As

Publication number Publication date
US3889525A (en) 1975-06-17
DE2535340A1 (de) 1976-03-04
FR2281558A1 (fr) 1976-03-05
GB1508686A (en) 1978-04-26

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Legal Events

Date Code Title Description
ST Notification of lapse