FR888833A - Differential meter for blind navigation - Google Patents
Differential meter for blind navigationInfo
- Publication number
- FR888833A FR888833A FR888833DA FR888833A FR 888833 A FR888833 A FR 888833A FR 888833D A FR888833D A FR 888833DA FR 888833 A FR888833 A FR 888833A
- Authority
- FR
- France
- Prior art keywords
- differential meter
- blind navigation
- blind
- navigation
- meter
- 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
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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 |
---|---|---|---|
FR888833T | 1941-03-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR888833A true FR888833A (en) | 1943-12-23 |
Family
ID=9376906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR888833D Expired FR888833A (en) | 1941-03-08 | 1941-03-08 | Differential meter for blind navigation |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR888833A (en) |
-
1941
- 1941-03-08 FR FR888833D patent/FR888833A/en not_active Expired
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