FR578917A - Improvements to instruments and gyroscopic equipment - Google Patents
Improvements to instruments and gyroscopic equipmentInfo
- Publication number
- FR578917A FR578917A FR578917DA FR578917A FR 578917 A FR578917 A FR 578917A FR 578917D A FR578917D A FR 578917DA FR 578917 A FR578917 A FR 578917A
- Authority
- FR
- France
- Prior art keywords
- instruments
- gyroscopic
- equipment
- gyroscopic equipment
- 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
- G01C19/34—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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB578917X | 1919-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR578917A true FR578917A (en) | 1924-10-07 |
Family
ID=10480297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR578917D Expired FR578917A (en) | 1919-12-01 | 1920-11-23 | Improvements to instruments and gyroscopic equipment |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR578917A (en) |
-
1920
- 1920-11-23 FR FR578917D patent/FR578917A/en not_active Expired
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