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BE398560A - - Google Patents
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BE398560A - - Google Patents

Info

Publication number
BE398560A
BE398560A BE398560DA BE398560A BE 398560 A BE398560 A BE 398560A BE 398560D A BE398560D A BE 398560DA BE 398560 A BE398560 A BE 398560A
Authority
BE
Belgium
Prior art keywords
mirror
specified
objects
application
invisible
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE398560A publication Critical patent/BE398560A/fr

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/12—Signs, boards or panels, illuminated from behind the insignia using a transparent mirror or other light reflecting surface transparent to transmitted light whereby a sign, symbol, picture or other is visible only when illuminated

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
BE398560D BE398560A (sr)

Publications (1)

Publication Number Publication Date
BE398560A true BE398560A (sr)

Family

ID=65038

Family Applications (1)

Application Number Title Priority Date Filing Date
BE398560D BE398560A (sr)

Country Status (1)

Country Link
BE (1) BE398560A (sr)

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