FR695667A - Perfectionnements aux compas magnétiques - Google Patents

Perfectionnements aux compas magnétiques

Info

Publication number
FR695667A
FR695667A FR695667DA FR695667A FR 695667 A FR695667 A FR 695667A FR 695667D A FR695667D A FR 695667DA FR 695667 A FR695667 A FR 695667A
Authority
FR
France
Prior art keywords
magnetic compasses
compasses
magnetic
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
Nicolas Minorsky
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 FR695667A publication Critical patent/FR695667A/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)
FR695667D 1929-09-05 1929-09-05 Perfectionnements aux compas magnétiques Expired FR695667A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR695667T 1929-09-05

Publications (1)

Publication Number Publication Date
FR695667A true FR695667A (fr) 1930-12-19

Family

ID=9046241

Family Applications (1)

Application Number Title Priority Date Filing Date
FR695667D Expired FR695667A (fr) 1929-09-05 1929-09-05 Perfectionnements aux compas magnétiques

Country Status (1)

Country Link
FR (1) FR695667A (fr)

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