FR2271578B1 - - Google Patents

Info

Publication number
FR2271578B1
FR2271578B1 FR7417250A FR7417250A FR2271578B1 FR 2271578 B1 FR2271578 B1 FR 2271578B1 FR 7417250 A FR7417250 A FR 7417250A FR 7417250 A FR7417250 A FR 7417250A FR 2271578 B1 FR2271578 B1 FR 2271578B1
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
FR7417250A
Other languages
French (fr)
Other versions
FR2271578A1 (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.)
CGG SA
Original Assignee
Compagnie Generale de Geophysique 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 Compagnie Generale de Geophysique SA filed Critical Compagnie Generale de Geophysique SA
Priority to FR7417250A priority Critical patent/FR2271578A1/fr
Publication of FR2271578A1 publication Critical patent/FR2271578A1/fr
Application granted granted Critical
Publication of FR2271578B1 publication Critical patent/FR2271578B1/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
    • G01P13/02—Indicating direction only, e.g. by weather vane
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C13/00—Surveying specially adapted to open water, e.g. sea, lake, river or canal
    • G01C13/002—Measuring the movement of open water
    • G01C13/006—Measuring the movement of open water horizontal movement
    • 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
    • G01P5/08—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measuring Magnetic Variables (AREA)
FR7417250A 1974-05-17 1974-05-17 Method of measuring marine current velocity - uses resistance, horiz. current density and vert. magnetic induction components Granted FR2271578A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7417250A FR2271578A1 (en) 1974-05-17 1974-05-17 Method of measuring marine current velocity - uses resistance, horiz. current density and vert. magnetic induction components

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7417250A FR2271578A1 (en) 1974-05-17 1974-05-17 Method of measuring marine current velocity - uses resistance, horiz. current density and vert. magnetic induction components

Publications (2)

Publication Number Publication Date
FR2271578A1 FR2271578A1 (en) 1975-12-12
FR2271578B1 true FR2271578B1 (zh) 1976-10-15

Family

ID=9139019

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7417250A Granted FR2271578A1 (en) 1974-05-17 1974-05-17 Method of measuring marine current velocity - uses resistance, horiz. current density and vert. magnetic induction components

Country Status (1)

Country Link
FR (1) FR2271578A1 (zh)

Also Published As

Publication number Publication date
FR2271578A1 (en) 1975-12-12

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Legal Events

Date Code Title Description
ST Notification of lapse