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
Links
- 239000011521 glass Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE193714C true DE193714C (enrdf_load_stackoverflow) |
Family
ID=456922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT193714D Active DE193714C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE193714C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT193714D patent/DE193714C/de active Active
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