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FR1393019A - Apparatus responsive to the speed of propagation of acoustic energy in a fluid - Google Patents

Apparatus responsive to the speed of propagation of acoustic energy in a fluid

Info

Publication number
FR1393019A
FR1393019A FR973492A FR973492A FR1393019A FR 1393019 A FR1393019 A FR 1393019A FR 973492 A FR973492 A FR 973492A FR 973492 A FR973492 A FR 973492A FR 1393019 A FR1393019 A FR 1393019A
Authority
FR
France
Prior art keywords
propagation
fluid
speed
acoustic energy
apparatus responsive
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
FR973492A
Other languages
French (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.)
Plessey UK Ltd
Original Assignee
Plessey UK Ltd
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 Plessey UK Ltd filed Critical Plessey UK Ltd
Application granted granted Critical
Publication of FR1393019A publication Critical patent/FR1393019A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01HMEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H5/00Measuring propagation velocity of ultrasonic, sonic or infrasonic waves, e.g. of pressure waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/02Analysing fluids
    • G01N29/024Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06Systems determining the position data of a target
    • G01S15/08Systems for measuring distance only
    • G01S15/10Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/12Systems for measuring distance only using transmission of interrupted, pulse-modulated waves wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FR973492A 1963-05-07 1964-05-06 Apparatus responsive to the speed of propagation of acoustic energy in a fluid Expired FR1393019A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1792163A GB1084056A (en) 1963-05-07 1963-05-07

Publications (1)

Publication Number Publication Date
FR1393019A true FR1393019A (en) 1965-03-19

Family

ID=10103575

Family Applications (1)

Application Number Title Priority Date Filing Date
FR973492A Expired FR1393019A (en) 1963-05-07 1964-05-06 Apparatus responsive to the speed of propagation of acoustic energy in a fluid

Country Status (4)

Country Link
DE (1) DE1241731B (en)
FR (1) FR1393019A (en)
GB (1) GB1084056A (en)
NL (1) NL6405087A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4261197A (en) * 1979-09-12 1981-04-14 Reynolds Metals Company Probe for the ultrasonic inspection of molten aluminum
DE3112003C2 (en) * 1981-03-26 1983-02-10 Siemens AG, 1000 Berlin und 8000 München Ultrasonic measuring probe for use in the fixing station of a non-mechanical printer or copier
BE1002682A3 (en) * 1988-12-29 1991-04-30 B & R Internat Method and device for measuring at least one parameter of a fluid in a tank

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1033106B (en) * 1955-04-05 1958-06-26 Phil Nat Siegfried Fahrentholz Echo scale

Also Published As

Publication number Publication date
DE1241731B (en) 1967-06-01
NL6405087A (en) 1964-11-09
GB1084056A (en) 1967-09-20

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