DE193714C - - Google Patents

Info

Publication number
DE193714C
DE193714C DENDAT193714D DE193714DA DE193714C DE 193714 C DE193714 C DE 193714C DE NDAT193714 D DENDAT193714 D DE NDAT193714D DE 193714D A DE193714D A DE 193714DA DE 193714 C DE193714 C DE 193714C
Authority
DE
Germany
Prior art keywords
letter
rays
curve
light
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DENDAT193714D
Other languages
German (de)
English (en)
Publication of DE193714C publication Critical patent/DE193714C/de
Active legal-status Critical Current

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
    • G09F13/06—Signs, boards or panels, illuminated from behind the insignia using individual cut-out symbols or cut-out silhouettes, e.g. perforated signs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
DENDAT193714D Active DE193714C (show.php)

Publications (1)

Publication Number Publication Date
DE193714C true DE193714C (show.php)

Family

ID=456922

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT193714D Active DE193714C (show.php)

Country Status (1)

Country Link
DE (1) DE193714C (show.php)

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