FR537820A - Perfectionnements aux télémètres - Google Patents
Perfectionnements aux télémètresInfo
- Publication number
- FR537820A FR537820A FR537820DA FR537820A FR 537820 A FR537820 A FR 537820A FR 537820D A FR537820D A FR 537820DA FR 537820 A FR537820 A FR 537820A
- Authority
- FR
- France
- Prior art keywords
- rangefinder
- rangefinder improvements
- 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
-
- 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
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 |
---|---|---|---|
FR537820T | 1921-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR537820A true FR537820A (fr) | 1922-05-30 |
Family
ID=8927778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR537820D Expired FR537820A (fr) | 1921-04-30 | 1921-04-30 | Perfectionnements aux télémètres |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR537820A (fr) |
-
1921
- 1921-04-30 FR FR537820D patent/FR537820A/fr not_active Expired
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