FR860033A - Perfectionnements aux instruments du genre télescope - Google Patents

Perfectionnements aux instruments du genre télescope

Info

Publication number
FR860033A
FR860033A FR860033DA FR860033A FR 860033 A FR860033 A FR 860033A FR 860033D A FR860033D A FR 860033DA FR 860033 A FR860033 A FR 860033A
Authority
FR
France
Prior art keywords
telescope
type instruments
instruments
type
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)
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.)
Thales Optronics Ltd
Original Assignee
Thales Optronics Ltd
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 Thales Optronics Ltd filed Critical Thales Optronics Ltd
Application granted granted Critical
Publication of FR860033A publication Critical patent/FR860033A/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
    • G01C3/12—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)
FR860033D 1938-09-07 1939-09-02 Perfectionnements aux instruments du genre télescope Expired FR860033A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB860033X 1938-09-07

Publications (1)

Publication Number Publication Date
FR860033A true FR860033A (fr) 1941-01-04

Family

ID=10591040

Family Applications (1)

Application Number Title Priority Date Filing Date
FR860033D Expired FR860033A (fr) 1938-09-07 1939-09-02 Perfectionnements aux instruments du genre télescope

Country Status (1)

Country Link
FR (1) FR860033A (fr)

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