BE508743A - - Google Patents

Info

Publication number
BE508743A
BE508743A BE508743DA BE508743A BE 508743 A BE508743 A BE 508743A BE 508743D A BE508743D A BE 508743DA BE 508743 A BE508743 A BE 508743A
Authority
BE
Belgium
Prior art keywords
relay
projector
film
contacts
relays
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE508743A publication Critical patent/BE508743A/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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/32Details specially adapted for motion-picture projection
    • G03B21/50Control devices operated by the film strip during the run

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Overhead Projectors And Projection Screens (AREA)
BE508743D BE508743A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE508743A true BE508743A (enrdf_load_stackoverflow)

Family

ID=148364

Family Applications (1)

Application Number Title Priority Date Filing Date
BE508743D BE508743A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE508743A (enrdf_load_stackoverflow)

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