BE425324A - - Google Patents
Info
- Publication number
- BE425324A BE425324A BE425324DA BE425324A BE 425324 A BE425324 A BE 425324A BE 425324D A BE425324D A BE 425324DA BE 425324 A BE425324 A BE 425324A
- Authority
- BE
- Belgium
- Prior art keywords
- lens
- grid
- image
- window
- grids
- Prior art date
Links
- 238000005286 illumination Methods 0.000 claims description 23
- 230000003287 optical effect Effects 0.000 claims description 16
- 239000011521 glass Substances 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 241000264877 Hippospongia communis Species 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 239000005401 pressed glass Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 3
- 230000015572 biosynthetic process Effects 0.000 description 12
- 238000010276 construction Methods 0.000 description 11
- 239000003990 capacitor Substances 0.000 description 6
- 230000004907 flux Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000000051 modifying effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007493 shaping process 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
- G03B21/20—Lamp housings
- G03B21/208—Homogenising, shaping of the illumination light
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE425324A true BE425324A (de) |
Family
ID=86352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE425324D BE425324A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE425324A (de) |
-
0
- BE BE425324D patent/BE425324A/fr unknown
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