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 shipInfo
- 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
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)
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)
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 |
-
1945
- 1945-02-02 FR FR994820D patent/FR994820A/en not_active Expired
Cited By (1)
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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