FR446617A - Device for measuring distances - Google Patents

Device for measuring distances

Info

Publication number
FR446617A
FR446617A FR446617DA FR446617A FR 446617 A FR446617 A FR 446617A FR 446617D A FR446617D A FR 446617DA FR 446617 A FR446617 A FR 446617A
Authority
FR
France
Prior art keywords
measuring distances
distances
measuring
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
Marius Ratignier
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.)
H Pervilhac & Cie Soc
Original Assignee
H Pervilhac & Cie Soc
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 H Pervilhac & Cie Soc filed Critical H Pervilhac & Cie Soc
Application granted granted Critical
Publication of FR446617A publication Critical patent/FR446617A/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
    • G01C3/22—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with variable angles and a base of fixed length at, near, or formed by the object

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR446617D 1911-10-06 1911-10-06 Device for measuring distances Expired FR446617A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR446617T 1911-10-06

Publications (1)

Publication Number Publication Date
FR446617A true FR446617A (en) 1912-12-11

Family

ID=1487374

Family Applications (1)

Application Number Title Priority Date Filing Date
FR446617D Expired FR446617A (en) 1911-10-06 1911-10-06 Device for measuring distances

Country Status (1)

Country Link
FR (1) FR446617A (en)

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