FR2377637B1 - - Google Patents

Info

Publication number
FR2377637B1
FR2377637B1 FR7700694A FR7700694A FR2377637B1 FR 2377637 B1 FR2377637 B1 FR 2377637B1 FR 7700694 A FR7700694 A FR 7700694A FR 7700694 A FR7700694 A FR 7700694A FR 2377637 B1 FR2377637 B1 FR 2377637B1
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
FR7700694A
Other versions
FR2377637A1 (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.)
Societe National Elf Aquitaine
Societe Nationale Elf Aquitaine Production SA
Original Assignee
Societe National Elf Aquitaine
Societe Nationale Elf Aquitaine Production SA
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 Societe National Elf Aquitaine, Societe Nationale Elf Aquitaine Production SA filed Critical Societe National Elf Aquitaine
Priority to FR7700694A priority Critical patent/FR2377637A1/fr
Publication of FR2377637A1 publication Critical patent/FR2377637A1/fr
Application granted granted Critical
Publication of FR2377637B1 publication Critical patent/FR2377637B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/04—Systems determining presence of a target

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
FR7700694A 1977-01-12 1977-01-12 Procede et dispositif utilisant les ultrasons pour detecter le passage d'un objet a l'interieur d'une canalisation Granted FR2377637A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7700694A FR2377637A1 (fr) 1977-01-12 1977-01-12 Procede et dispositif utilisant les ultrasons pour detecter le passage d'un objet a l'interieur d'une canalisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7700694A FR2377637A1 (fr) 1977-01-12 1977-01-12 Procede et dispositif utilisant les ultrasons pour detecter le passage d'un objet a l'interieur d'une canalisation

Publications (2)

Publication Number Publication Date
FR2377637A1 FR2377637A1 (fr) 1978-08-11
FR2377637B1 true FR2377637B1 (fr) 1980-04-04

Family

ID=9185384

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7700694A Granted FR2377637A1 (fr) 1977-01-12 1977-01-12 Procede et dispositif utilisant les ultrasons pour detecter le passage d'un objet a l'interieur d'une canalisation

Country Status (1)

Country Link
FR (1) FR2377637A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1175163B (it) * 1983-10-21 1987-07-01 Autotecnica Sas Dispositivo atto a rilevare variazioni dello stato di quiete o di moto rettilineo uniforme di un corpo
FR2642848A1 (fr) * 1989-02-08 1990-08-10 Schlumberger Cie Dowell Procede ultrasonore pour la detection du passage d'un corps dans un tube metallique et ses utilisations, notamment dans l'industrie petroliere

Also Published As

Publication number Publication date
FR2377637A1 (fr) 1978-08-11

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Legal Events

Date Code Title Description
ST Notification of lapse