AT272835B - Process for the contrast-dependent control of the exposure in copiers - Google Patents
Process for the contrast-dependent control of the exposure in copiersInfo
- Publication number
- AT272835B AT272835B AT469566A AT469566A AT272835B AT 272835 B AT272835 B AT 272835B AT 469566 A AT469566 A AT 469566A AT 469566 A AT469566 A AT 469566A AT 272835 B AT272835 B AT 272835B
- Authority
- AT
- Austria
- Prior art keywords
- copiers
- exposure
- contrast
- dependent control
- dependent
- Prior art date
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
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/80—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Facsimile Scanning Arrangements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD11564666 | 1966-02-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT272835B true AT272835B (en) | 1969-07-25 |
Family
ID=5478805
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT469566A AT272835B (en) | 1966-02-04 | 1966-05-18 | Process for the contrast-dependent control of the exposure in copiers |
AT1085167A AT274423B (en) | 1966-02-04 | 1966-05-18 | Device for point-by-point measurement of the partial luminance of a transparent image carrier |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT1085167A AT274423B (en) | 1966-02-04 | 1966-05-18 | Device for point-by-point measurement of the partial luminance of a transparent image carrier |
Country Status (2)
Country | Link |
---|---|
AT (2) | AT272835B (en) |
CH (1) | CH483034A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8301858A (en) * | 1983-05-26 | 1984-12-17 | Oce Helioprint As | REPRODUCTION CAMERA. |
DE59101120D1 (en) * | 1990-01-15 | 1994-04-14 | Gretag Imaging Ag | Process for creating color photographic copies of master copies. |
-
1966
- 1966-05-18 AT AT469566A patent/AT272835B/en active
- 1966-05-18 AT AT1085167A patent/AT274423B/en active
-
1967
- 1967-01-12 CH CH8367A patent/CH483034A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AT274423B (en) | 1969-09-25 |
CH483034A (en) | 1969-12-15 |
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