FR865047A - Compas d'induction - Google Patents

Compas d'induction

Info

Publication number
FR865047A
FR865047A FR865047DA FR865047A FR 865047 A FR865047 A FR 865047A FR 865047D A FR865047D A FR 865047DA FR 865047 A FR865047 A FR 865047A
Authority
FR
France
Prior art keywords
induction compass
compass
induction
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
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.)
Compteurs Schlumberger SA
Original Assignee
Compteurs Schlumberger 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 Compteurs Schlumberger SA filed Critical Compteurs Schlumberger SA
Application granted granted Critical
Publication of FR865047A publication Critical patent/FR865047A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02—Magnetic compasses
    • G01C17/28—Electromagnetic compasses
    • G01C17/30—Earth-inductor compasses

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
FR865047D 1940-04-18 1940-04-18 Compas d'induction Expired FR865047A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR865047T 1940-04-18

Publications (1)

Publication Number Publication Date
FR865047A true FR865047A (fr) 1941-05-12

Family

ID=9344169

Family Applications (1)

Application Number Title Priority Date Filing Date
FR865047D Expired FR865047A (fr) 1940-04-18 1940-04-18 Compas d'induction

Country Status (1)

Country Link
FR (1) FR865047A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2825977A (en) * 1953-02-11 1958-03-11 Fayers Alfred Ayton Magnetometer compass

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2825977A (en) * 1953-02-11 1958-03-11 Fayers Alfred Ayton Magnetometer compass

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