BE390913A - - Google Patents
Info
- Publication number
- BE390913A BE390913A BE390913DA BE390913A BE 390913 A BE390913 A BE 390913A BE 390913D A BE390913D A BE 390913DA BE 390913 A BE390913 A BE 390913A
- Authority
- BE
- Belgium
- Prior art keywords
- film
- lamp
- sound
- positive
- photoelectric cell
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims 1
- 210000000056 organ Anatomy 0.000 claims 1
- 239000004020 conductor Substances 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method 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
- G03B27/00—Photographic printing apparatus
- G03B27/02—Exposure apparatus for contact printing
- G03B27/04—Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box
- G03B27/08—Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box for automatic copying of several originals one after the other, e.g. for copying cinematograph film
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection-Type Copiers In General (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE390913A true BE390913A (enrdf_load_stackoverflow) |
Family
ID=58782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE390913D BE390913A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE390913A (enrdf_load_stackoverflow) |
-
0
- BE BE390913D patent/BE390913A/fr unknown
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