FR538982A - Compass refinements - Google Patents

Compass refinements

Info

Publication number
FR538982A
FR538982A FR538982DA FR538982A FR 538982 A FR538982 A FR 538982A FR 538982D A FR538982D A FR 538982DA FR 538982 A FR538982 A FR 538982A
Authority
FR
France
Prior art keywords
refinements
compass
compass refinements
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)
Inventor
Royal Ernest Bibbins
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 FR538982A publication Critical patent/FR538982A/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
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/02—Rotary gyroscopes
    • G01C19/34—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes
    • G01C19/38—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR538982D 1921-08-02 1921-08-02 Compass refinements Expired FR538982A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR538982T 1921-08-02

Publications (1)

Publication Number Publication Date
FR538982A true FR538982A (en) 1922-06-17

Family

ID=8928559

Family Applications (1)

Application Number Title Priority Date Filing Date
FR538982D Expired FR538982A (en) 1921-08-02 1921-08-02 Compass refinements

Country Status (1)

Country Link
FR (1) FR538982A (en)

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