BE419313A - - Google Patents
Info
- Publication number
- BE419313A BE419313A BE419313DA BE419313A BE 419313 A BE419313 A BE 419313A BE 419313D A BE419313D A BE 419313DA BE 419313 A BE419313 A BE 419313A
- Authority
- BE
- Belgium
- Prior art keywords
- screen
- units
- faces
- image
- contrasts
- Prior art date
Links
- 230000001788 irregular Effects 0.000 claims description 16
- 230000001944 accentuation Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 12
- 239000000470 constituent Substances 0.000 claims description 9
- 230000035807 sensation Effects 0.000 claims description 8
- 238000009792 diffusion process Methods 0.000 claims description 7
- 239000012780 transparent material Substances 0.000 claims description 7
- 229920002301 cellulose acetate Polymers 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 230000008447 perception Effects 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000002966 varnish Substances 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims 2
- 230000000295 complement effect Effects 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 241000282320 Panthera leo Species 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/606—Projection screens characterised by the nature of the surface for relief projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE419313A true BE419313A (enrdf_load_html_response) |
Family
ID=81630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE419313D BE419313A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE419313A (enrdf_load_html_response) |
-
0
- BE BE419313D patent/BE419313A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE395357A (fr) | Procédé de décoration d'objets et objets obtenus à l'aide de ce procédé | |
| FR2948217A1 (fr) | Element de securite a effet de parallaxe | |
| CH713112B1 (fr) | Dispositif pour créer des images de forme en superposition par interaction lumineuse avec des couches de lentilles. | |
| WO2005026423A9 (fr) | Procede de fabrication d’un tissu a base de fibres optiques | |
| FR3087015A1 (fr) | Piece de carrosserie comprenant une paroi lenticulaire pour former une image holographique | |
| FR2948216A1 (fr) | Element de securite a effet de parallaxe | |
| CA2761781A1 (fr) | Procede de fabrication d'un element de securite pour document de securite | |
| CA2828398C (fr) | Element de securite pour un document-valeur, un procede de fabrication, et document correspondant | |
| EP4269182A1 (fr) | Texture 3d optique flottante modulaire | |
| BE419313A (enrdf_load_html_response) | ||
| FR2954978A1 (fr) | Dispositif a effet optique variable | |
| EP2730838B1 (fr) | Module d'éclairage pour projecteur de véhicule automobile comprenant plusieurs sources lumineuses | |
| BE411985A (enrdf_load_html_response) | ||
| EP3271192A1 (fr) | Element de securite et document securise | |
| BE409109A (enrdf_load_html_response) | ||
| WO2001031398A1 (fr) | Ecran d'image haute definition | |
| BE396970A (enrdf_load_html_response) | ||
| BE405368A (enrdf_load_html_response) | ||
| FR3036310A1 (fr) | Laser decoder | |
| FR2851399A1 (fr) | Television 3d | |
| FR2956918A1 (fr) | Panneau d'affichage | |
| FR2956919A1 (fr) | Panneau d'affichage | |
| FR2735247A1 (fr) | Procede de fabrication d'une reproduction avec effet de luminescence et reproduction fabriquee par la mise en oeuvre du procede. | |
| DE1446857C (de) | Wandelbild | |
| FR3156063A1 (fr) | Elément de sécurité pour un document sécurisé et document sécurisé qui en est pourvu |