FR870053A - Improvements to observation and sighting devices - Google Patents

Improvements to observation and sighting devices

Info

Publication number
FR870053A
FR870053A FR870053DA FR870053A FR 870053 A FR870053 A FR 870053A FR 870053D A FR870053D A FR 870053DA FR 870053 A FR870053 A FR 870053A
Authority
FR
France
Prior art keywords
observation
sighting devices
sighting
devices
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
Lucien Louis Cazalis
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 FR870053A publication Critical patent/FR870053A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/106—Beam splitting or combining systems for splitting or combining a plurality of identical beams or images, e.g. image replication
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/12—Beam splitting or combining systems operating by refraction only
    • G02B27/126—The splitting element being a prism or prismatic array, including systems based on total internal reflection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR870053D 1940-10-23 1940-10-23 Improvements to observation and sighting devices Expired FR870053A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR870053T 1940-10-23

Publications (1)

Publication Number Publication Date
FR870053A true FR870053A (en) 1942-03-02

Family

ID=9347027

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870053D Expired FR870053A (en) 1940-10-23 1940-10-23 Improvements to observation and sighting devices

Country Status (1)

Country Link
FR (1) FR870053A (en)

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