BE393380A - - Google Patents
Info
- Publication number
- BE393380A BE393380A BE393380DA BE393380A BE 393380 A BE393380 A BE 393380A BE 393380D A BE393380D A BE 393380DA BE 393380 A BE393380 A BE 393380A
- Authority
- BE
- Belgium
- Prior art keywords
- screen
- lenses
- images
- close
- opaline
- Prior art date
Links
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011022 opal Substances 0.000 description 1
- 230000000007 visual 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
- G03B21/62—Translucent screens
- G03B21/625—Lenticular translucent screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE393380A true BE393380A (enrdf_load_stackoverflow) |
Family
ID=60822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE393380D BE393380A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE393380A (enrdf_load_stackoverflow) |
-
0
- BE BE393380D patent/BE393380A/fr unknown
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