FR821650A - Improvements to derivometers for aircraft, ships and other vehicles - Google Patents
Improvements to derivometers for aircraft, ships and other vehiclesInfo
- Publication number
- FR821650A FR821650A FR821650DA FR821650A FR 821650 A FR821650 A FR 821650A FR 821650D A FR821650D A FR 821650DA FR 821650 A FR821650 A FR 821650A
- Authority
- FR
- France
- Prior art keywords
- derivometers
- ships
- aircraft
- vehicles
- 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
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT821650X | 1937-01-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR821650A true FR821650A (en) | 1937-12-09 |
Family
ID=11317467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR821650D Expired FR821650A (en) | 1937-01-14 | 1937-05-08 | Improvements to derivometers for aircraft, ships and other vehicles |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR821650A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2561713A (en) * | 1943-12-23 | 1951-07-24 | Nordiska Armaturfab Ab | Gyro horizon with optical horizon indicator |
-
1937
- 1937-05-08 FR FR821650D patent/FR821650A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2561713A (en) * | 1943-12-23 | 1951-07-24 | Nordiska Armaturfab Ab | Gyro horizon with optical horizon indicator |
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