FR497951A - Cinematography devices - Google Patents

Cinematography devices

Info

Publication number
FR497951A
FR497951A FR497951DA FR497951A FR 497951 A FR497951 A FR 497951A FR 497951D A FR497951D A FR 497951DA FR 497951 A FR497951 A FR 497951A
Authority
FR
France
Prior art keywords
cinematography
devices
cinematography 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
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.)
AMERICAN PROJECTING Co
Original Assignee
AMERICAN PROJECTING Co
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 AMERICAN PROJECTING Co filed Critical AMERICAN PROJECTING Co
Application granted granted Critical
Publication of FR497951A publication Critical patent/FR497951A/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)
FR497951D 1918-11-22 1918-11-22 Cinematography devices Expired FR497951A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR497951T 1918-11-22

Publications (1)

Publication Number Publication Date
FR497951A true FR497951A (en) 1919-12-23

Family

ID=1533234

Family Applications (1)

Application Number Title Priority Date Filing Date
FR497951D Expired FR497951A (en) 1918-11-22 1918-11-22 Cinematography devices

Country Status (1)

Country Link
FR (1) FR497951A (en)

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