BE504858A - - Google Patents

Info

Publication number
BE504858A
BE504858A BE504858DA BE504858A BE 504858 A BE504858 A BE 504858A BE 504858D A BE504858D A BE 504858DA BE 504858 A BE504858 A BE 504858A
Authority
BE
Belgium
Prior art keywords
rods
projections
screen
projection
white
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE504858A publication Critical patent/BE504858A/fr

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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/562—Screens moving during projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
BE504858D BE504858A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE504858A true BE504858A (enrdf_load_stackoverflow)

Family

ID=145566

Family Applications (1)

Application Number Title Priority Date Filing Date
BE504858D BE504858A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE504858A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0359804A4 (en) * 1988-03-31 1990-09-26 Arnotts Biscuits Limited Screen simulator window

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0359804A4 (en) * 1988-03-31 1990-09-26 Arnotts Biscuits Limited Screen simulator window

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