BE469680A - - Google Patents

Info

Publication number
BE469680A
BE469680A BE469680DA BE469680A BE 469680 A BE469680 A BE 469680A BE 469680D A BE469680D A BE 469680DA BE 469680 A BE469680 A BE 469680A
Authority
BE
Belgium
Prior art keywords
film
elements
loops
wheels
threading
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE469680A publication Critical patent/BE469680A/fr

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B1/00Film strip handling
    • G03B1/56Threading; Loop forming
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/32Details specially adapted for motion-picture projection
    • G03B21/43Driving mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection-Type Copiers In General (AREA)
BE469680D BE469680A (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
BE469680A true BE469680A (enrdf_load_html_response)

Family

ID=120063

Family Applications (1)

Application Number Title Priority Date Filing Date
BE469680D BE469680A (enrdf_load_html_response)

Country Status (1)

Country Link
BE (1) BE469680A (enrdf_load_html_response)

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