FR427270A - Self-adjusting rangefinder - Google Patents

Self-adjusting rangefinder

Info

Publication number
FR427270A
FR427270A FR427270DA FR427270A FR 427270 A FR427270 A FR 427270A FR 427270D A FR427270D A FR 427270DA FR 427270 A FR427270 A FR 427270A
Authority
FR
France
Prior art keywords
rangefinder
self
adjusting
adjusting 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)
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.)
LACOUR BERTHIOT DES ETS
Original Assignee
LACOUR BERTHIOT DES ETS
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 LACOUR BERTHIOT DES ETS filed Critical LACOUR BERTHIOT DES ETS
Application granted granted Critical
Publication of FR427270A publication Critical patent/FR427270A/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)
FR427270D 1910-05-23 1910-05-23 Self-adjusting rangefinder Expired FR427270A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR427270T 1910-05-23

Publications (1)

Publication Number Publication Date
FR427270A true FR427270A (en) 1911-07-31

Family

ID=1469765

Family Applications (1)

Application Number Title Priority Date Filing Date
FR427270D Expired FR427270A (en) 1910-05-23 1910-05-23 Self-adjusting rangefinder

Country Status (1)

Country Link
FR (1) FR427270A (en)

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