BE429405A - - Google Patents
Info
- Publication number
- BE429405A BE429405A BE429405DA BE429405A BE 429405 A BE429405 A BE 429405A BE 429405D A BE429405D A BE 429405DA BE 429405 A BE429405 A BE 429405A
- Authority
- BE
- Belgium
- Prior art keywords
- light beam
- cooling
- light
- medium
- substantially parallel
- Prior art date
Links
- 238000001816 cooling Methods 0.000 claims description 11
- 239000002826 coolant Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 229920002160 Celluloid Polymers 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000007789 gas Substances 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000010627 cedar oil Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect 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
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE429405A true BE429405A (cs) |
Family
ID=89602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE429405D BE429405A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE429405A (cs) |
-
0
- BE BE429405D patent/BE429405A/fr unknown
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