FR2260229B1 - - Google Patents

Info

Publication number
FR2260229B1
FR2260229B1 FR7502930A FR7502930A FR2260229B1 FR 2260229 B1 FR2260229 B1 FR 2260229B1 FR 7502930 A FR7502930 A FR 7502930A FR 7502930 A FR7502930 A FR 7502930A FR 2260229 B1 FR2260229 B1 FR 2260229B1
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
FR7502930A
Other languages
French (fr)
Other versions
FR2260229A1 (xx
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Publication of FR2260229A1 publication Critical patent/FR2260229A1/fr
Application granted granted Critical
Publication of FR2260229B1 publication Critical patent/FR2260229B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/245—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by measuring transit time of acoustical waves
    • G01P5/247—Sing-around-systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measuring Volume Flow (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Manipulation Of Pulses (AREA)
FR7502930A 1974-01-31 1975-01-30 Expired FR2260229B1 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB466574A GB1495389A (en) 1974-01-31 1974-01-31 Apparatus for providing time reference signals

Publications (2)

Publication Number Publication Date
FR2260229A1 FR2260229A1 (xx) 1975-08-29
FR2260229B1 true FR2260229B1 (xx) 1982-02-19

Family

ID=9781479

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7502930A Expired FR2260229B1 (xx) 1974-01-31 1975-01-30

Country Status (5)

Country Link
JP (1) JPS5855441B2 (xx)
DE (1) DE2503538C2 (xx)
FR (1) FR2260229B1 (xx)
GB (1) GB1495389A (xx)
NL (1) NL7501196A (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51101568A (en) * 1975-03-05 1976-09-08 Fuji Electric Co Ltd Shingokanshikairo
US4176286A (en) * 1978-03-08 1979-11-27 Bei Electronics, Inc. Signal translator with squelch
JPS5832336B2 (ja) * 1978-06-27 1983-07-12 株式会社東芝 超音波流速計
DE3411485A1 (de) 1984-03-28 1985-10-03 Siemens AG, 1000 Berlin und 8000 München Verfahren zur erfassung der grenzen von signalen, die vor einem hintergrundsignalgemisch auftreten
GB2200753B (en) * 1986-12-23 1991-01-23 Brookes & Gatehouse Speed measurement device
DE102013019311A1 (de) * 2013-11-07 2015-05-07 eonas IT-Beratung und Entwicklung GmbH Ultraschallmessung der Strömungsgeschwindigkeit von Flüssigkeiten und Gasen unterweitgehender Kompensation von Jitter und Offset
FR3074913B1 (fr) * 2017-12-08 2019-11-22 Sagemcom Energy & Telecom Sas Procede de mesure d'une vitesse d'un fluide
JP6835265B2 (ja) * 2020-01-10 2021-02-24 中国電力株式会社 計測診断装置、及び計測診断方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD87099A (xx) *
US3505537A (en) * 1967-03-09 1970-04-07 Rca Corp Signal envelope discriminator and gating circuit
GB1422791A (en) * 1972-04-04 1976-01-28 Atomic Energy Authority Uk Apparatus for indicating fluid flow velocity

Also Published As

Publication number Publication date
JPS50109762A (xx) 1975-08-29
DE2503538A1 (de) 1975-08-14
DE2503538C2 (de) 1984-04-26
NL7501196A (nl) 1975-08-04
GB1495389A (en) 1977-12-14
JPS5855441B2 (ja) 1983-12-09
FR2260229A1 (xx) 1975-08-29

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Legal Events

Date Code Title Description
ST Notification of lapse