FR530301A - Improvements made to cinematographers - Google Patents

Improvements made to cinematographers

Info

Publication number
FR530301A
FR530301A FR530301DA FR530301A FR 530301 A FR530301 A FR 530301A FR 530301D A FR530301D A FR 530301DA FR 530301 A FR530301 A FR 530301A
Authority
FR
France
Prior art keywords
cinematographers
improvements made
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
John Darby
Edwin Frederick Flindell
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 FR530301A publication Critical patent/FR530301A/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
    • G03B21/30—Details adapted to collapse or fold, e.g. for portability
    • 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)
FR530301D 1920-12-27 1920-12-27 Improvements made to cinematographers Expired FR530301A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR530301T 1920-12-27

Publications (1)

Publication Number Publication Date
FR530301A true FR530301A (en) 1921-12-20

Family

ID=8923188

Family Applications (1)

Application Number Title Priority Date Filing Date
FR530301D Expired FR530301A (en) 1920-12-27 1920-12-27 Improvements made to cinematographers

Country Status (1)

Country Link
FR (1) FR530301A (en)

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