BE505937A - - Google Patents
Info
- Publication number
- BE505937A BE505937A BE505937DA BE505937A BE 505937 A BE505937 A BE 505937A BE 505937D A BE505937D A BE 505937DA BE 505937 A BE505937 A BE 505937A
- Authority
- BE
- Belgium
- Prior art keywords
- patterns
- light
- screen
- light source
- opaque
- Prior art date
Links
- 239000000463 material Substances 0.000 claims description 6
- 229920002160 Celluloid Polymers 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 1
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052754 neon Inorganic materials 0.000 description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229920005439 Perspex® Polymers 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000007788 roughening 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 |
|---|---|
| BE505937A true BE505937A (enEXAMPLES) |
Family
ID=146339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE505937D BE505937A (enEXAMPLES) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE505937A (enEXAMPLES) |
-
0
- BE BE505937D patent/BE505937A/fr unknown
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