FR868633A - Rangefinder - Google Patents
RangefinderInfo
- Publication number
- FR868633A FR868633A FR868633DA FR868633A FR 868633 A FR868633 A FR 868633A FR 868633D A FR868633D A FR 868633DA FR 868633 A FR868633 A FR 868633A
- Authority
- FR
- France
- Prior art keywords
- rangefinder
- 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
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/10—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument
- G01C3/12—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length in the observation station, e.g. in the instrument with monocular observation at a single point, e.g. coincidence type
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (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 |
---|---|---|---|
DE868633X | 1939-12-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR868633A true FR868633A (en) | 1942-01-09 |
Family
ID=6802518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR868633D Expired FR868633A (en) | 1939-12-16 | 1940-12-30 | Rangefinder |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR868633A (en) |
-
1940
- 1940-12-30 FR FR868633D patent/FR868633A/en not_active Expired
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