FR551098A - - Google Patents
Info
- Publication number
- FR551098A FR551098A FR551098DA FR551098A FR 551098 A FR551098 A FR 551098A FR 551098D A FR551098D A FR 551098DA FR 551098 A FR551098 A FR 551098A
- Authority
- FR
- France
- 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)
- Toys (AREA)
- Friction Gearing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US179918XA | 1921-05-13 | 1921-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR551098A true FR551098A (fr) | 1923-03-27 |
Family
ID=21785666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR551098D Expired FR551098A (fr) | 1921-05-13 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1701283A (fr) |
| FR (1) | FR551098A (fr) |
| GB (1) | GB179918A (fr) |
| NL (1) | NL15254C (fr) |
-
0
- US US1701283D patent/US1701283A/en not_active Expired - Lifetime
- FR FR551098D patent/FR551098A/fr not_active Expired
- NL NL15254D patent/NL15254C/xx active
-
1922
- 1922-04-21 GB GB11317/22A patent/GB179918A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL15254C (fr) | |
| US1701283A (en) | 1929-02-05 |
| GB179918A (en) | 1923-05-31 |