FR989768A - Improvements to directional gyroscopes - Google Patents

Improvements to directional gyroscopes

Info

Publication number
FR989768A
FR989768A FR989768DA FR989768A FR 989768 A FR989768 A FR 989768A FR 989768D A FR989768D A FR 989768DA FR 989768 A FR989768 A FR 989768A
Authority
FR
France
Prior art keywords
directional gyroscopes
gyroscopes
directional
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.)
Societe Francaise dEquipements pour la Navigation Aerienne SFENA SA
Original Assignee
Societe Francaise dEquipements pour la Navigation Aerienne SFENA SA
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 Societe Francaise dEquipements pour la Navigation Aerienne SFENA SA filed Critical Societe Francaise dEquipements pour la Navigation Aerienne SFENA SA
Application granted granted Critical
Publication of FR989768A publication Critical patent/FR989768A/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
    • G01C19/36—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by magnetic means, e.g. gyromagnetic compasses

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR989768D 1949-04-28 1949-04-28 Improvements to directional gyroscopes Expired FR989768A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR989768T 1949-04-28

Publications (1)

Publication Number Publication Date
FR989768A true FR989768A (en) 1951-09-13

Family

ID=9540467

Family Applications (1)

Application Number Title Priority Date Filing Date
FR989768D Expired FR989768A (en) 1949-04-28 1949-04-28 Improvements to directional gyroscopes

Country Status (1)

Country Link
FR (1) FR989768A (en)

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