FR1018776A - Optical projection system for multi-frame films - Google Patents

Optical projection system for multi-frame films

Info

Publication number
FR1018776A
FR1018776A FR1018776DA FR1018776A FR 1018776 A FR1018776 A FR 1018776A FR 1018776D A FR1018776D A FR 1018776DA FR 1018776 A FR1018776 A FR 1018776A
Authority
FR
France
Prior art keywords
projection system
optical projection
frame films
films
frame
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
Attilio Sacco
Walter Vannini
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 FR1018776A publication Critical patent/FR1018776A/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
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
    • 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
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/144—Beam splitting or combining systems operating by reflection only using partially transparent surfaces without spectral selectivity
    • 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
    • G02B27/14—Beam splitting or combining systems operating by reflection only
    • G02B27/145—Beam splitting or combining systems operating by reflection only having sequential partially reflecting surfaces
FR1018776D 1949-02-24 1950-02-23 Optical projection system for multi-frame films Expired FR1018776A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1018776X 1949-02-24

Publications (1)

Publication Number Publication Date
FR1018776A true FR1018776A (en) 1953-01-13

Family

ID=11429201

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1018776D Expired FR1018776A (en) 1949-02-24 1950-02-23 Optical projection system for multi-frame films

Country Status (1)

Country Link
FR (1) FR1018776A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502401A (en) * 1966-07-07 1970-03-24 E Francis Thompson Simultaneous multiple-image display

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502401A (en) * 1966-07-07 1970-03-24 E Francis Thompson Simultaneous multiple-image display

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