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FR835232A - Magnetic direction indicator - Google Patents

Magnetic direction indicator

Info

Publication number
FR835232A
FR835232A FR835232DA FR835232A FR 835232 A FR835232 A FR 835232A FR 835232D A FR835232D A FR 835232DA FR 835232 A FR835232 A FR 835232A
Authority
FR
France
Prior art keywords
direction indicator
magnetic direction
magnetic
indicator
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
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.)
Siemens APP und Maschinen GmbH
Original Assignee
Siemens APP und Maschinen GmbH
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 Siemens APP und Maschinen GmbH filed Critical Siemens APP und Maschinen GmbH
Application granted granted Critical
Publication of FR835232A publication Critical patent/FR835232A/en
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)
FR835232D 1937-03-15 1938-03-14 Magnetic direction indicator Expired FR835232A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE835232X 1937-03-15

Publications (1)

Publication Number Publication Date
FR835232A true FR835232A (en) 1938-12-15

Family

ID=6760850

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835232D Expired FR835232A (en) 1937-03-15 1938-03-14 Magnetic direction indicator

Country Status (1)

Country Link
FR (1) FR835232A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749348C (en) * 1940-03-07 1944-12-16 Induction compass

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749348C (en) * 1940-03-07 1944-12-16 Induction compass

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