BE435299A - - Google Patents
Info
- Publication number
- BE435299A BE435299A BE435299DA BE435299A BE 435299 A BE435299 A BE 435299A BE 435299D A BE435299D A BE 435299DA BE 435299 A BE435299 A BE 435299A
- Authority
- BE
- Belgium
- Prior art keywords
- screen
- images
- projection
- light
- daylight
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims description 2
- 239000012780 transparent material Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002023 wood Substances 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE435299A true BE435299A (enrdf_load_html_response) |
Family
ID=94241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE435299D BE435299A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE435299A (enrdf_load_html_response) |
-
0
- BE BE435299D patent/BE435299A/fr unknown
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