BE714259A - - Google Patents
Info
- Publication number
- BE714259A BE714259A BE714259DA BE714259A BE 714259 A BE714259 A BE 714259A BE 714259D A BE714259D A BE 714259DA BE 714259 A BE714259 A BE 714259A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/02—Sensitometric processes, e.g. determining sensitivity, colour sensitivity, gradation, graininess, density; Making sensitometric wedges
-
- 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
- G03B27/727—Optical projection devices wherein the contrast is controlled optically (e.g. uniform exposure, two colour exposure on variable contrast sensitive material)
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/08—Photoprinting; Processes and means for preventing photoprinting
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Control Of Exposure In Printing And Copying (AREA)
- Projection-Type Copiers In General (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEA0055553 | 1967-04-26 | ||
| DEA0055554 | 1967-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE714259A true BE714259A (pm) | 1968-10-28 |
Family
ID=25964443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE714259D BE714259A (pm) | 1967-04-26 | 1968-04-26 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE714259A (pm) |
| CH (1) | CH482223A (pm) |
| FR (1) | FR1557559A (pm) |
| GB (1) | GB1219789A (pm) |
| NL (1) | NL6805708A (pm) |
| PL (1) | PL79304B1 (pm) |
| SE (1) | SE329546B (pm) |
-
1968
- 1968-03-05 CH CH323168A patent/CH482223A/de not_active IP Right Cessation
- 1968-03-29 FR FR1557559D patent/FR1557559A/fr not_active Expired
- 1968-04-23 NL NL6805708A patent/NL6805708A/xx unknown
- 1968-04-25 SE SE557968A patent/SE329546B/xx unknown
- 1968-04-25 PL PL12663568A patent/PL79304B1/pl unknown
- 1968-04-26 BE BE714259D patent/BE714259A/xx unknown
- 1968-04-26 GB GB1995168A patent/GB1219789A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH482223A (de) | 1969-11-30 |
| SE329546B (pm) | 1970-10-12 |
| NL6805708A (pm) | 1968-06-25 |
| FR1557559A (pm) | 1969-02-14 |
| GB1219789A (en) | 1971-01-20 |
| PL79304B1 (en) | 1975-06-30 |