BE391163A - - Google Patents
Info
- Publication number
- BE391163A BE391163A BE391163DA BE391163A BE 391163 A BE391163 A BE 391163A BE 391163D A BE391163D A BE 391163DA BE 391163 A BE391163 A BE 391163A
- Authority
- BE
- Belgium
- Prior art keywords
- film
- contact
- shaft
- lever
- rollers
- Prior art date
Links
- 239000011230 binding agent Substances 0.000 claims 1
- 239000005338 frosted glass Substances 0.000 claims 1
- 239000011521 glass Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 235000016936 Dendrocalamus strictus Nutrition 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004904 shortening 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
- G03B21/14—Details
- G03B21/32—Details specially adapted for motion-picture projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE391163A true BE391163A (OSRAM) |
Family
ID=58990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE391163D BE391163A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE391163A (OSRAM) |
-
0
- BE BE391163D patent/BE391163A/fr unknown
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