FR994820A - Device for stabilizing an optical instrument such as a telescope on board a ship - Google Patents

Device for stabilizing an optical instrument such as a telescope on board a ship

Info

Publication number
FR994820A
FR994820A FR994820DA FR994820A FR 994820 A FR994820 A FR 994820A FR 994820D A FR994820D A FR 994820DA FR 994820 A FR994820 A FR 994820A
Authority
FR
France
Prior art keywords
telescope
ship
stabilizing
board
optical instrument
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
Andre-Albert-Charles Bayle
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 FR994820A publication Critical patent/FR994820A/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
    • G01C19/46—Erection devices for restoring rotor axis to a desired position
    • G01C19/52—Erection devices for restoring rotor axis to a desired position operating by fluid means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR994820D 1945-02-02 1945-02-02 Device for stabilizing an optical instrument such as a telescope on board a ship Expired FR994820A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR994820T 1945-02-02

Publications (1)

Publication Number Publication Date
FR994820A true FR994820A (en) 1951-11-22

Family

ID=9556675

Family Applications (1)

Application Number Title Priority Date Filing Date
FR994820D Expired FR994820A (en) 1945-02-02 1945-02-02 Device for stabilizing an optical instrument such as a telescope on board a ship

Country Status (1)

Country Link
FR (1) FR994820A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3756687A (en) * 1971-09-23 1973-09-04 Dynasciences Corp Dual gyro mechanically coupled image motion compensator having non-linear damping means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3756687A (en) * 1971-09-23 1973-09-04 Dynasciences Corp Dual gyro mechanically coupled image motion compensator having non-linear damping means

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