DE591444C - Apparatus for photographic contact copying of sound films using optical systems - Google Patents
Apparatus for photographic contact copying of sound films using optical systemsInfo
- Publication number
- DE591444C DE591444C DENDAT591444D DE591444DD DE591444C DE 591444 C DE591444 C DE 591444C DE NDAT591444 D DENDAT591444 D DE NDAT591444D DE 591444D D DE591444D D DE 591444DD DE 591444 C DE591444 C DE 591444C
- Authority
- DE
- Germany
- Prior art keywords
- optical systems
- contact copying
- sound films
- light source
- films
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
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
- G03B27/10—Copying apparatus with a relative movement between the original and the light source during exposure
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Light Sources And Details Of Projection-Printing Devices (AREA)
Description
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE591444T |
Publications (1)
Publication Number | Publication Date |
---|---|
DE591444C true DE591444C (en) | 1934-01-22 |
Family
ID=6572945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT591444D Expired DE591444C (en) | Apparatus for photographic contact copying of sound films using optical systems |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE591444C (en) |
-
0
- DE DENDAT591444D patent/DE591444C/en not_active Expired
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