GB1495389A - Apparatus for providing time reference signals - Google Patents

Apparatus for providing time reference signals

Info

Publication number
GB1495389A
GB1495389A GB466574A GB466574A GB1495389A GB 1495389 A GB1495389 A GB 1495389A GB 466574 A GB466574 A GB 466574A GB 466574 A GB466574 A GB 466574A GB 1495389 A GB1495389 A GB 1495389A
Authority
GB
United Kingdom
Prior art keywords
packet
time
negative
time reference
utilized
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.)
Expired
Application number
GB466574A
Other languages
English (en)
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
Priority to GB466574A priority Critical patent/GB1495389A/en
Priority to DE19752503538 priority patent/DE2503538C2/de
Priority to FR7502930A priority patent/FR2260229B1/fr
Priority to JP50013252A priority patent/JPS5855441B2/ja
Priority to NL7501196A priority patent/NL7501196A/xx
Priority to US05/688,945 priority patent/US4080574A/en
Publication of GB1495389A publication Critical patent/GB1495389A/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)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Manipulation Of Pulses (AREA)
GB466574A 1974-01-31 1974-01-31 Apparatus for providing time reference signals Expired GB1495389A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB466574A GB1495389A (en) 1974-01-31 1974-01-31 Apparatus for providing time reference signals
DE19752503538 DE2503538C2 (de) 1974-01-31 1975-01-29 Gerät zum Erzeugen eines Zeitbezugssignals aus einem Impuls von elektrischen Signalschwingungen
FR7502930A FR2260229B1 (en, 2012) 1974-01-31 1975-01-30
JP50013252A JPS5855441B2 (ja) 1974-01-31 1975-01-31 ジカンキジユンシンゴウキヨウキユウソウチ
NL7501196A NL7501196A (nl) 1974-01-31 1975-01-31 Inrichting voor het afgeven van een tijdrefe- esignaal.
US05/688,945 US4080574A (en) 1974-01-31 1976-05-24 Apparatus for providing time reference signals

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 (1)

Publication Number Publication Date
GB1495389A true GB1495389A (en) 1977-12-14

Family

ID=9781479

Family Applications (1)

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

Country Status (5)

Country Link
JP (1) JPS5855441B2 (en, 2012)
DE (1) DE2503538C2 (en, 2012)
FR (1) FR2260229B1 (en, 2012)
GB (1) GB1495389A (en, 2012)
NL (1) NL7501196A (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (7)

* 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
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 (en, 2012) *
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
DE2503538A1 (de) 1975-08-14
FR2260229B1 (en, 2012) 1982-02-19
NL7501196A (nl) 1975-08-04
FR2260229A1 (en, 2012) 1975-08-29
DE2503538C2 (de) 1984-04-26
JPS50109762A (en, 2012) 1975-08-29
JPS5855441B2 (ja) 1983-12-09

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee