BE428302A - - Google Patents
Info
- Publication number
- BE428302A BE428302A BE428302DA BE428302A BE 428302 A BE428302 A BE 428302A BE 428302D A BE428302D A BE 428302DA BE 428302 A BE428302 A BE 428302A
- Authority
- BE
- Belgium
- Prior art keywords
- negative
- visor
- lighting
- light
- shutter
- Prior art date
Links
- 238000005286 illumination Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 description 12
- 230000000284 resting effect Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 230000001627 detrimental effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 230000002688 persistence Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 241000258971 Brachiopoda Species 0.000 description 1
- 229920002160 Celluloid Polymers 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000012780 transparent material Substances 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
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/326—Enlargers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE428302A true BE428302A (enrdf_load_stackoverflow) |
Family
ID=88697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE428302D BE428302A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE428302A (enrdf_load_stackoverflow) |
-
0
- BE BE428302D patent/BE428302A/fr unknown
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