FR404263A - Perfectionnements apportés aux télémètres - Google Patents

Perfectionnements apportés aux télémètres

Info

Publication number
FR404263A
FR404263A FR404263DA FR404263A FR 404263 A FR404263 A FR 404263A FR 404263D A FR404263D A FR 404263DA FR 404263 A FR404263 A FR 404263A
Authority
FR
France
Prior art keywords
range finders
finders
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
English (en)
Inventor
Archibald Barr
William Stroud
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 FR404263A publication Critical patent/FR404263A/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
    • G01C3/24—Measuring distances in line of sight; Optical rangefinders using a parallactic triangle with fixed angles and a base of variable 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)
FR404263D 1908-06-30 1909-06-21 Perfectionnements apportés aux télémètres Expired FR404263A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB404263X 1908-06-30

Publications (1)

Publication Number Publication Date
FR404263A true FR404263A (fr) 1909-11-27

Family

ID=1448837

Family Applications (1)

Application Number Title Priority Date Filing Date
FR404263D Expired FR404263A (fr) 1908-06-30 1909-06-21 Perfectionnements apportés aux télémètres

Country Status (1)

Country Link
FR (1) FR404263A (fr)

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