BE521744A - - Google Patents
Info
- Publication number
- BE521744A BE521744A BE521744DA BE521744A BE 521744 A BE521744 A BE 521744A BE 521744D A BE521744D A BE 521744DA BE 521744 A BE521744 A BE 521744A
- Authority
- BE
- Belgium
- Prior art keywords
- screen
- zone
- central
- central zone
- panels
- Prior art date
Links
- 238000009432 framing Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 4
- 238000004040 coloring Methods 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000005406 washing Methods 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
- G03B21/13—Projectors for producing special effects at the edges of picture, e.g. blurring
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE521744A true BE521744A (de) |
Family
ID=157234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE521744D BE521744A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE521744A (de) |
-
0
- BE BE521744D patent/BE521744A/fr unknown
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