BE436068A - - Google Patents
Info
- Publication number
- BE436068A BE436068A BE436068DA BE436068A BE 436068 A BE436068 A BE 436068A BE 436068D A BE436068D A BE 436068DA BE 436068 A BE436068 A BE 436068A
- Authority
- BE
- Belgium
- Prior art keywords
- sector
- light
- sectors
- obscuration
- colored
- Prior art date
Links
- 239000012780 transparent material Substances 0.000 claims description 20
- 239000011521 glass Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 239000003086 colorant Substances 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 4
- 244000027321 Lychnis chalcedonica Species 0.000 claims description 2
- 238000009987 spinning Methods 0.000 description 6
- 206010021033 Hypomenorrhoea Diseases 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 229920002160 Celluloid Polymers 0.000 description 1
- 206010012289 Dementia Diseases 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing 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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/08—Shutters
- G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE436068A true BE436068A (enrdf_load_stackoverflow) |
Family
ID=94813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE436068D BE436068A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE436068A (enrdf_load_stackoverflow) |
-
0
- BE BE436068D patent/BE436068A/fr unknown
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