FR1112690A - Rangefinder device - Google Patents

Rangefinder device

Info

Publication number
FR1112690A
FR1112690A FR1112690DA FR1112690A FR 1112690 A FR1112690 A FR 1112690A FR 1112690D A FR1112690D A FR 1112690DA FR 1112690 A FR1112690 A FR 1112690A
Authority
FR
France
Prior art keywords
rangefinder device
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
Application number
Other languages
French (fr)
Inventor
Emile-Louis Niccolai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR1112690A publication Critical patent/FR1112690A/en
Expired legal-status Critical Current

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)
FR1112690D 1954-04-06 1954-04-06 Rangefinder device Expired FR1112690A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1112690T 1954-04-06

Publications (1)

Publication Number Publication Date
FR1112690A true FR1112690A (en) 1956-03-16

Family

ID=9627399

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1112690D Expired FR1112690A (en) 1954-04-06 1954-04-06 Rangefinder device

Country Status (1)

Country Link
FR (1) FR1112690A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175296A (en) * 1962-07-06 1965-03-30 Harry L Gadbury Drawing aids
EP0071656A1 (en) * 1981-08-05 1983-02-16 Reiner Doberschütz Method and apparatus for measuring distances or heights

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3175296A (en) * 1962-07-06 1965-03-30 Harry L Gadbury Drawing aids
EP0071656A1 (en) * 1981-08-05 1983-02-16 Reiner Doberschütz Method and apparatus for measuring distances or heights

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