BE449226A - - Google Patents
Info
- Publication number
- BE449226A BE449226A BE449226DA BE449226A BE 449226 A BE449226 A BE 449226A BE 449226D A BE449226D A BE 449226DA BE 449226 A BE449226 A BE 449226A
- Authority
- BE
- Belgium
- Prior art keywords
- film
- projection
- films
- series
- images
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000005530 etching Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material 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
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection-Type Copiers In General (AREA)
- Projection Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE449226A true BE449226A (forum.php) |
Family
ID=104610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE449226D BE449226A (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE449226A (forum.php) |
-
0
- BE BE449226D patent/BE449226A/fr unknown
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