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FR840639A - Compas - Google Patents

Compas

Info

Publication number
FR840639A
FR840639A FR840639DA FR840639A FR 840639 A FR840639 A FR 840639A FR 840639D A FR840639D A FR 840639DA FR 840639 A FR840639 A FR 840639A
Authority
FR
France
Prior art keywords
compass
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.)
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 FR840639A publication Critical patent/FR840639A/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)
FR840639D 1937-07-13 1938-07-13 Compas Expired FR840639A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE840639X 1937-07-13

Publications (1)

Publication Number Publication Date
FR840639A true FR840639A (fr) 1939-04-28

Family

ID=6764248

Family Applications (1)

Application Number Title Priority Date Filing Date
FR840639D Expired FR840639A (fr) 1937-07-13 1938-07-13 Compas

Country Status (1)

Country Link
FR (1) FR840639A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE866101C (de) * 1943-02-02 1953-02-05 Aga Baltic Aktiebolag Kursanzeigende Vorrichtung nach dem Induktionsprinzip

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE866101C (de) * 1943-02-02 1953-02-05 Aga Baltic Aktiebolag Kursanzeigende Vorrichtung nach dem Induktionsprinzip

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