FR869791A - Coincidence range finder - Google Patents

Coincidence range finder

Info

Publication number
FR869791A
FR869791A FR869791DA FR869791A FR 869791 A FR869791 A FR 869791A FR 869791D A FR869791D A FR 869791DA FR 869791 A FR869791 A FR 869791A
Authority
FR
France
Prior art keywords
range finder
coincidence range
coincidence
finder
range
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Optique et Precision de Levallois SA
Original Assignee
Optique et Precision de Levallois SA
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 by Optique et Precision de Levallois SA filed Critical Optique et Precision de Levallois SA
Application granted granted Critical
Publication of FR869791A publication Critical patent/FR869791A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR869791D 1941-02-06 1941-02-06 Coincidence range finder Expired FR869791A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR869791T 1941-02-06

Publications (1)

Publication Number Publication Date
FR869791A true FR869791A (en) 1942-02-16

Family

ID=9346598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR869791D Expired FR869791A (en) 1941-02-06 1941-02-06 Coincidence range finder

Country Status (1)

Country Link
FR (1) FR869791A (en)

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