JPS50109762A - - Google Patents

Info

Publication number
JPS50109762A
JPS50109762A JP50013252A JP1325275A JPS50109762A JP S50109762 A JPS50109762 A JP S50109762A JP 50013252 A JP50013252 A JP 50013252A JP 1325275 A JP1325275 A JP 1325275A JP S50109762 A JPS50109762 A JP S50109762A
Authority
JP
Japan
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
JP50013252A
Other languages
Japanese (ja)
Other versions
JPS5855441B2 (en
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 filed Critical
Publication of JPS50109762A publication Critical patent/JPS50109762A/ja
Publication of JPS5855441B2 publication Critical patent/JPS5855441B2/en
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)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (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)
  • Manipulation Of Pulses (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP50013252A 1974-01-31 1975-01-31 How long can you use it? Expired JPS5855441B2 (en)

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
JPS50109762A true JPS50109762A (en) 1975-08-29
JPS5855441B2 JPS5855441B2 (en) 1983-12-09

Family

ID=9781479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50013252A Expired JPS5855441B2 (en) 1974-01-31 1975-01-31 How long can you use it?

Country Status (5)

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

Cited By (3)

* 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
JPS554529A (en) * 1978-06-27 1980-01-14 Toshiba Corp Ultrasonic current meter
JP2020056801A (en) * 2020-01-10 2020-04-09 中国電力株式会社 Measurement diagnostic apparatus and measurement diagnostic method

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4176286A (en) * 1978-03-08 1979-11-27 Bei Electronics, Inc. Signal translator with squelch
DE3411485A1 (en) 1984-03-28 1985-10-03 Siemens AG, 1000 Berlin und 8000 München METHOD FOR DETECTING THE LIMITS OF SIGNALS THAT APPEAR IN MIXTURE BEFORE A BACKGROUND SIGNAL MIXTURE
GB2200753B (en) * 1986-12-23 1991-01-23 Brookes & Gatehouse Speed measurement device
DE102013019311A1 (en) * 2013-11-07 2015-05-07 eonas IT-Beratung und Entwicklung GmbH Ultrasonic flow velocity measurement of liquids and gases with extensive compensation of jitter and offset
FR3074913B1 (en) * 2017-12-08 2019-11-22 Sagemcom Energy & Telecom Sas METHOD FOR MEASURING A SPEED OF A FLUID

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD87099A (en) *
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

Cited By (4)

* 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
JPS554529A (en) * 1978-06-27 1980-01-14 Toshiba Corp Ultrasonic current meter
JPS5832336B2 (en) * 1978-06-27 1983-07-12 株式会社東芝 ultrasonic current meter
JP2020056801A (en) * 2020-01-10 2020-04-09 中国電力株式会社 Measurement diagnostic apparatus and measurement diagnostic method

Also Published As

Publication number Publication date
NL7501196A (en) 1975-08-04
DE2503538C2 (en) 1984-04-26
JPS5855441B2 (en) 1983-12-09
GB1495389A (en) 1977-12-14
FR2260229B1 (en) 1982-02-19
DE2503538A1 (en) 1975-08-14
FR2260229A1 (en) 1975-08-29

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