FR447475A - Télémètre - Google Patents
TélémètreInfo
- Publication number
- FR447475A FR447475A FR447475DA FR447475A FR 447475 A FR447475 A FR 447475A FR 447475D A FR447475D A FR 447475DA FR 447475 A FR447475 A FR 447475A
- 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
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 |
---|---|---|---|
US447475XA | 1911-08-23 | 1911-08-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR447475A true FR447475A (fr) | 1913-01-06 |
Family
ID=1488169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR447475D Expired FR447475A (fr) | 1911-08-23 | 1912-08-22 | Télémètre |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR447475A (fr) |
-
1912
- 1912-08-22 FR FR447475D patent/FR447475A/fr not_active Expired
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