FR763287A - Improvements to motion picture projectors using centrally perforated films for endless film projection - Google Patents

Improvements to motion picture projectors using centrally perforated films for endless film projection

Info

Publication number
FR763287A
FR763287A FR763287DA FR763287A FR 763287 A FR763287 A FR 763287A FR 763287D A FR763287D A FR 763287DA FR 763287 A FR763287 A FR 763287A
Authority
FR
France
Prior art keywords
motion picture
endless film
film projection
perforated films
centrally perforated
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
Alfred Zollinger
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 FR763287A publication Critical patent/FR763287A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/32—Details specially adapted for motion-picture projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR763287D 1933-11-02 1933-11-02 Improvements to motion picture projectors using centrally perforated films for endless film projection Expired FR763287A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR763287T 1933-11-02

Publications (1)

Publication Number Publication Date
FR763287A true FR763287A (en) 1934-04-26

Family

ID=9179421

Family Applications (1)

Application Number Title Priority Date Filing Date
FR763287D Expired FR763287A (en) 1933-11-02 1933-11-02 Improvements to motion picture projectors using centrally perforated films for endless film projection

Country Status (1)

Country Link
FR (1) FR763287A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443708A (en) * 1946-02-12 1948-06-22 Julian A Links Endless film magazine and projector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443708A (en) * 1946-02-12 1948-06-22 Julian A Links Endless film magazine and projector

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