BE527915A - - Google Patents
Info
- Publication number
- BE527915A BE527915A BE527915DA BE527915A BE 527915 A BE527915 A BE 527915A BE 527915D A BE527915D A BE 527915DA BE 527915 A BE527915 A BE 527915A
- Authority
- BE
- Belgium
- Prior art keywords
- support
- disc
- images
- positive
- screen
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 10
- 230000000284 resting effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000009182 swimming 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE527915A true BE527915A (enrdf_load_stackoverflow) |
Family
ID=161382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE527915D BE527915A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE527915A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4627696A (en) * | 1982-12-01 | 1986-12-09 | Sacher Friedrich Josef | Projection apparatus |
| US4741614A (en) * | 1985-09-03 | 1988-05-03 | Sacher Friedrich Josef | Projected device |
-
0
- BE BE527915D patent/BE527915A/fr unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4627696A (en) * | 1982-12-01 | 1986-12-09 | Sacher Friedrich Josef | Projection apparatus |
| US4741614A (en) * | 1985-09-03 | 1988-05-03 | Sacher Friedrich Josef | Projected device |
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