FR527514A - Improvements to cinematographic devices - Google Patents

Improvements to cinematographic devices

Info

Publication number
FR527514A
FR527514A FR527514A FR527514DA FR527514A FR 527514 A FR527514 A FR 527514A FR 527514 A FR527514 A FR 527514A FR 527514D A FR527514D A FR 527514DA FR 527514 A FR527514 A FR 527514A
Authority
FR
France
Prior art keywords
cinematographic
devices
cinematographic 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
FR527514A
Other languages
French (fr)
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.)
OXFORD PORTABLE PROJECTOR Ltd
Original Assignee
OXFORD PORTABLE PROJECTOR Ltd
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 OXFORD PORTABLE PROJECTOR Ltd filed Critical OXFORD PORTABLE PROJECTOR Ltd
Application granted granted Critical
Publication of FR527514A publication Critical patent/FR527514A/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)
FR527514A 1920-03-12 1920-11-22 Improvements to cinematographic devices Expired FR527514A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB527514X 1920-03-12

Publications (1)

Publication Number Publication Date
FR527514A true FR527514A (en) 1921-10-26

Family

ID=10465151

Family Applications (1)

Application Number Title Priority Date Filing Date
FR527514A Expired FR527514A (en) 1920-03-12 1920-11-22 Improvements to cinematographic devices

Country Status (1)

Country Link
FR (1) FR527514A (en)

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