BE496492A - - Google Patents

Info

Publication number
BE496492A
BE496492A BE496492DA BE496492A BE 496492 A BE496492 A BE 496492A BE 496492D A BE496492D A BE 496492DA BE 496492 A BE496492 A BE 496492A
Authority
BE
Belgium
Prior art keywords
height
screen
light source
projecting
strip
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE496492A publication Critical patent/BE496492A/fr

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/20Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/04Signs, boards or panels, illuminated from behind the insignia
    • G09F13/06Signs, boards or panels, illuminated from behind the insignia using individual cut-out symbols or cut-out silhouettes, e.g. perforated signs
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/26Signs formed by electric discharge tubes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
BE496492D BE496492A (cs)

Publications (1)

Publication Number Publication Date
BE496492A true BE496492A (cs)

Family

ID=139712

Family Applications (1)

Application Number Title Priority Date Filing Date
BE496492D BE496492A (cs)

Country Status (1)

Country Link
BE (1) BE496492A (cs)

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