FR403372A - Rangefinder - Google Patents

Rangefinder

Info

Publication number
FR403372A
FR403372A FR403372DA FR403372A FR 403372 A FR403372 A FR 403372A FR 403372D A FR403372D A FR 403372DA FR 403372 A FR403372 A FR 403372A
Authority
FR
France
Prior art keywords
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
Fredrik Ljunggren
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 FR403372A publication Critical patent/FR403372A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR403372D 1909-05-26 1909-05-26 Rangefinder Expired FR403372A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR403372T 1909-05-26

Publications (1)

Publication Number Publication Date
FR403372A true FR403372A (en) 1909-11-03

Family

ID=1448023

Family Applications (1)

Application Number Title Priority Date Filing Date
FR403372D Expired FR403372A (en) 1909-05-26 1909-05-26 Rangefinder

Country Status (1)

Country Link
FR (1) FR403372A (en)

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