FR613091A - Compas répétiteur - Google Patents

Compas répétiteur

Info

Publication number
FR613091A
FR613091A FR613091DA FR613091A FR 613091 A FR613091 A FR 613091A FR 613091D A FR613091D A FR 613091DA FR 613091 A FR613091 A FR 613091A
Authority
FR
France
Prior art keywords
repeater compass
repeater
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)
Inventor
Maurice-Alexandre Mazade
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 filed Critical
Application granted granted Critical
Publication of FR613091A publication Critical patent/FR613091A/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
    • G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
    • G01C17/20—Observing the compass card or needle
    • G01C17/26—Observing the compass card or needle using electric pick-offs for transmission to final indicator, e.g. photocell

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR613091D 1925-07-09 1925-07-09 Compas répétiteur Expired FR613091A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR613091T 1925-07-09

Publications (1)

Publication Number Publication Date
FR613091A true FR613091A (fr) 1926-11-08

Family

ID=8979277

Family Applications (1)

Application Number Title Priority Date Filing Date
FR613091D Expired FR613091A (fr) 1925-07-09 1925-07-09 Compas répétiteur

Country Status (1)

Country Link
FR (1) FR613091A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455219A (en) * 1943-06-16 1948-11-30 Monroe Caleulating Machine Com Compass follower

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2455219A (en) * 1943-06-16 1948-11-30 Monroe Caleulating Machine Com Compass follower

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