BE374176A - - Google Patents

Info

Publication number
BE374176A
BE374176A BE374176DA BE374176A BE 374176 A BE374176 A BE 374176A BE 374176D A BE374176D A BE 374176DA BE 374176 A BE374176 A BE 374176A
Authority
BE
Belgium
Prior art keywords
projector
projection
light beam
installation according
image
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE374176A publication Critical patent/BE374176A/fr

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds

Landscapes

  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Projection Apparatus (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
BE374176D BE374176A (en:Method)

Publications (1)

Publication Number Publication Date
BE374176A true BE374176A (en:Method)

Family

ID=44982

Family Applications (1)

Application Number Title Priority Date Filing Date
BE374176D BE374176A (en:Method)

Country Status (1)

Country Link
BE (1) BE374176A (en:Method)

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