BE531527A - - Google Patents
Info
- Publication number
- BE531527A BE531527A BE531527DA BE531527A BE 531527 A BE531527 A BE 531527A BE 531527D A BE531527D A BE 531527DA BE 531527 A BE531527 A BE 531527A
- Authority
- BE
- Belgium
- Prior art keywords
- screen
- segments
- frame
- curvature
- elements
- Prior art date
Links
- 239000000725 suspension Substances 0.000 claims description 2
- 210000000056 organ Anatomy 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 240000001973 Ficus microcarpa Species 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE531527A true BE531527A (de) |
Family
ID=163843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE531527D BE531527A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE531527A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5579180A (en) * | 1992-11-11 | 1996-11-26 | Geller; Peter | Portable light reflector |
-
0
- BE BE531527D patent/BE531527A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5579180A (en) * | 1992-11-11 | 1996-11-26 | Geller; Peter | Portable light reflector |
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