FR912493A - Electrical straightening devices for obtaining a precise gyroscopic vertical on board aircraft and ships - Google Patents

Electrical straightening devices for obtaining a precise gyroscopic vertical on board aircraft and ships

Info

Publication number
FR912493A
FR912493A FR912493DA FR912493A FR 912493 A FR912493 A FR 912493A FR 912493D A FR912493D A FR 912493DA FR 912493 A FR912493 A FR 912493A
Authority
FR
France
Prior art keywords
ships
precise
obtaining
electrical
board aircraft
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
Henri-Georges Fremion
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 FR912493A publication Critical patent/FR912493A/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
    • G01C19/44—Rotary gyroscopes for indicating the vertical

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR912493D 1944-01-14 1944-01-14 Electrical straightening devices for obtaining a precise gyroscopic vertical on board aircraft and ships Expired FR912493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR912493T 1944-01-14

Publications (1)

Publication Number Publication Date
FR912493A true FR912493A (en) 1946-08-09

Family

ID=9421377

Family Applications (1)

Application Number Title Priority Date Filing Date
FR912493D Expired FR912493A (en) 1944-01-14 1944-01-14 Electrical straightening devices for obtaining a precise gyroscopic vertical on board aircraft and ships

Country Status (1)

Country Link
FR (1) FR912493A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2742707A (en) * 1951-03-12 1956-04-24 Bee Line Co Electrical device for measuring angles
US2825978A (en) * 1955-08-01 1958-03-11 Hoffman Electronics Corp Electromechanical sensing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2742707A (en) * 1951-03-12 1956-04-24 Bee Line Co Electrical device for measuring angles
US2825978A (en) * 1955-08-01 1958-03-11 Hoffman Electronics Corp Electromechanical sensing device

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