FR512247A - Perfectionnements aux bobines à films cinématographiques - Google Patents

Perfectionnements aux bobines à films cinématographiques

Info

Publication number
FR512247A
FR512247A FR512247A FR512247DA FR512247A FR 512247 A FR512247 A FR 512247A FR 512247 A FR512247 A FR 512247A FR 512247D A FR512247D A FR 512247DA FR 512247 A FR512247 A FR 512247A
Authority
FR
France
Prior art keywords
motion picture
picture reels
reels
motion
picture
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
FR512247A
Other languages
English (en)
Inventor
Moses Fleetwood Walker
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.)
MOSES FLEETWOOD WALKER
Original Assignee
MOSES FLEETWOOD WALKER
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 MOSES FLEETWOOD WALKER filed Critical MOSES FLEETWOOD WALKER
Application granted granted Critical
Publication of FR512247A publication Critical patent/FR512247A/fr
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
    • G03B21/321—Holders for films, e.g. reels, cassettes, spindles

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR512247A 1918-03-14 1920-03-22 Perfectionnements aux bobines à films cinématographiques Expired FR512247A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US512247XA 1918-03-14 1918-03-14

Publications (1)

Publication Number Publication Date
FR512247A true FR512247A (fr) 1921-01-18

Family

ID=21970050

Family Applications (1)

Application Number Title Priority Date Filing Date
FR512247A Expired FR512247A (fr) 1918-03-14 1920-03-22 Perfectionnements aux bobines à films cinématographiques

Country Status (1)

Country Link
FR (1) FR512247A (fr)

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