FR345332A - Indicateur automatique de distance ou de portée - Google Patents

Indicateur automatique de distance ou de portée

Info

Publication number
FR345332A
FR345332A FR345332DA FR345332A FR 345332 A FR345332 A FR 345332A FR 345332D A FR345332D A FR 345332DA FR 345332 A FR345332 A FR 345332A
Authority
FR
France
Prior art keywords
range indicator
automatic distance
automatic
distance
indicator
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
English (en)
Inventor
Emmanuel Dragoumis
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR345332A publication Critical patent/FR345332A/fr
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
    • G01C3/18—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 one observation point at each end of the base

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR345332D 1904-07-25 1904-07-25 Indicateur automatique de distance ou de portée Expired FR345332A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR345332T 1904-07-25

Publications (1)

Publication Number Publication Date
FR345332A true FR345332A (fr) 1904-11-28

Family

ID=1394135

Family Applications (1)

Application Number Title Priority Date Filing Date
FR345332D Expired FR345332A (fr) 1904-07-25 1904-07-25 Indicateur automatique de distance ou de portée

Country Status (1)

Country Link
FR (1) FR345332A (fr)

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