FR510260A - Improvements in cinematographic processes and apparatus - Google Patents

Improvements in cinematographic processes and apparatus

Info

Publication number
FR510260A
FR510260A FR510260DA FR510260A FR 510260 A FR510260 A FR 510260A FR 510260D A FR510260D A FR 510260DA FR 510260 A FR510260 A FR 510260A
Authority
FR
France
Prior art keywords
cinematographic
processes
cinematographic processes
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
Jules-Alexandre Perrey
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.)
JULES ALEXANDRE PERREY
Original Assignee
JULES ALEXANDRE PERREY
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 JULES ALEXANDRE PERREY filed Critical JULES ALEXANDRE PERREY
Application granted granted Critical
Publication of FR510260A publication Critical patent/FR510260A/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
    • G03B21/40—Eliminating or reducing effect of flicker

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR510260D 1920-02-09 1920-02-09 Improvements in cinematographic processes and apparatus Expired FR510260A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR510260T 1920-02-09

Publications (1)

Publication Number Publication Date
FR510260A true FR510260A (en) 1920-11-30

Family

ID=1535842

Family Applications (1)

Application Number Title Priority Date Filing Date
FR510260D Expired FR510260A (en) 1920-02-09 1920-02-09 Improvements in cinematographic processes and apparatus

Country Status (1)

Country Link
FR (1) FR510260A (en)

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