FR847638A - Perfectionnements aux appareils gyroscopiques - Google Patents
Perfectionnements aux appareils gyroscopiquesInfo
- Publication number
- FR847638A FR847638A FR847638DA FR847638A FR 847638 A FR847638 A FR 847638A FR 847638D A FR847638D A FR 847638DA FR 847638 A FR847638 A FR 847638A
- Authority
- FR
- France
- Prior art keywords
- gyroscopic devices
- gyroscopic
- devices
- 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 |
---|---|---|---|
US847638XA | 1937-12-17 | 1937-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR847638A true FR847638A (fr) | 1939-10-12 |
Family
ID=22187069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR847638D Expired FR847638A (fr) | 1937-12-17 | 1938-12-16 | Perfectionnements aux appareils gyroscopiques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR847638A (fr) |
-
1938
- 1938-12-16 FR FR847638D patent/FR847638A/fr not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR836335A (fr) | Perfectionnements aux appareils frigorifiques | |
FR765048A (fr) | Perfectionnements aux appareils filtrants | |
FR835906A (fr) | Perfectionnements aux appareils à dessiner | |
FR820614A (fr) | Perfectionnements aux appareils gyroscopiques | |
FR823963A (fr) | Perfectionnements aux autocolimateurs | |
FR844988A (fr) | Perfectionnements aux pose-mètres | |
FR828433A (fr) | Perfectionnements aux appareils filtrants | |
FR847638A (fr) | Perfectionnements aux appareils gyroscopiques | |
FR851543A (fr) | Perfectionnements aux appareils de séchage | |
FR837010A (fr) | Perfectionnements aux appareils de projection cinématographiques | |
FR828381A (fr) | Perfectionnements apportés aux appareils de pesage | |
FR833048A (fr) | Perfectionnements aux appareils à calculer | |
FR839371A (fr) | Perfectionnements aux appareils cinématographiques | |
FR841483A (fr) | Perfectionnements aux appareils cinématographiques | |
FR868270A (fr) | Perfectionnements aux appareils gyroscopiques | |
FR866102A (fr) | Perfectionnements aux appareils gyroscopiques | |
FR864081A (fr) | Perfectionnements aux appareils gyroscopiques | |
FR829760A (fr) | Perfectionnements aux appareils gyroscopiques | |
FR831099A (fr) | Perfectionnements apportés aux étuis | |
FR833613A (fr) | Appareils de navigation | |
FR873908A (fr) | Perfectionnements aux appareils gyroscopiques | |
FR855797A (fr) | Perfectionnements aux appareils gyroscopiques | |
FR49999E (fr) | Perfectionnements aux appareils gyroscopiques | |
FR843178A (fr) | Perfectionnements aux appareils de projection | |
FR853298A (fr) | Perfectionnements aux appareils de projection |