FR864227A - Light ray deflector - Google Patents

Light ray deflector

Info

Publication number
FR864227A
FR864227A FR864227DA FR864227A FR 864227 A FR864227 A FR 864227A FR 864227D A FR864227D A FR 864227DA FR 864227 A FR864227 A FR 864227A
Authority
FR
France
Prior art keywords
light ray
ray deflector
deflector
light
ray
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
Raoul Lescourret
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 filed Critical
Application granted granted Critical
Publication of FR864227A publication Critical patent/FR864227A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR864227D 1939-11-28 1939-11-28 Light ray deflector Expired FR864227A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR864227T 1939-11-28

Publications (1)

Publication Number Publication Date
FR864227A true FR864227A (en) 1941-04-22

Family

ID=9343728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR864227D Expired FR864227A (en) 1939-11-28 1939-11-28 Light ray deflector

Country Status (1)

Country Link
FR (1) FR864227A (en)

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