BE487774A - - Google Patents
Info
- Publication number
- BE487774A BE487774A BE487774DA BE487774A BE 487774 A BE487774 A BE 487774A BE 487774D A BE487774D A BE 487774DA BE 487774 A BE487774 A BE 487774A
- Authority
- BE
- Belgium
- Prior art keywords
- light
- color
- copy
- negative
- transmitted
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 230000003595 spectral Effects 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 claims 1
- 239000003086 colorant Substances 0.000 description 18
- 230000035945 sensitivity Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001264 neutralization Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000003287 optical Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000007 visual 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
- G03B27/00—Photographic printing apparatus
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
-
- 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
- G03B27/00—Photographic printing apparatus
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
- G03B27/735—Controlling exposure by variation of spectral composition, e.g. multicolor printers in dependence upon automatic analysis of the original
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Projection-Type Copiers In General (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE487774A true BE487774A (zh) |
Family
ID=133125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE487774D BE487774A (zh) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE487774A (zh) |
-
0
- BE BE487774D patent/BE487774A/fr unknown
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