LU43140A1 - - Google Patents
Info
- Publication number
- LU43140A1 LU43140A1 LU43140DA LU43140A1 LU 43140 A1 LU43140 A1 LU 43140A1 LU 43140D A LU43140D A LU 43140DA LU 43140 A1 LU43140 A1 LU 43140A1
- Authority
- LU
- Luxembourg
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
- G01J1/4223—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for copy - or printing apparatus
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Control Of Exposure In Printing And Copying (AREA)
- Projection-Type Copiers In General (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEK0045841 | 1962-02-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU43140A1 true LU43140A1 (de) | 1964-08-05 |
Family
ID=7223989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU43140D LU43140A1 (de) | 1962-02-07 | 1963-02-05 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3203332A (de) |
| CH (1) | CH397423A (de) |
| FR (1) | FR1346676A (de) |
| GB (1) | GB1020783A (de) |
| LU (1) | LU43140A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5023628A (de) * | 1973-06-22 | 1975-03-13 | ||
| US4236812A (en) * | 1979-03-07 | 1980-12-02 | Coulter Systems Corporation | Image recording method for electrophotographic film |
| DE3317804A1 (de) * | 1983-05-17 | 1984-11-22 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren und vorrichtung zum bestimmen der kopierlichtmengen in den verschiedenen farben beim farbkopieren |
| WO1990010254A1 (en) * | 1989-02-24 | 1990-09-07 | Bowling Green State University | Production of three dimensional bodies by photopolymerization |
| US5137800A (en) * | 1989-02-24 | 1992-08-11 | Stereographics Limited Partnership | Production of three dimensional bodies by photopolymerization |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2485418A (en) * | 1947-05-28 | 1949-10-18 | Gen Electric | Meter for measurement of ultraviolet radiation |
| US2490011A (en) * | 1947-06-11 | 1949-12-06 | Hanovia Chemical & Mfg Co | Ultraviolet ray intensity meter |
| US2531000A (en) * | 1947-12-24 | 1950-11-21 | Gen Electric | Erythemal meter |
| US3077401A (en) * | 1957-10-07 | 1963-02-12 | Grinten Chem L V D | Process for the dosage of the exposure during the copying of positive lineoriginals on diazotype material |
| US2905755A (en) * | 1958-02-19 | 1959-09-22 | Ilford Ltd | Electronic tone-masking system for use in the production of colour prints |
| US3105107A (en) * | 1958-06-03 | 1963-09-24 | Engelhard Hanovia Inc | Photoelectric device for measuring light output values in photo-printing machines |
-
1963
- 1963-01-31 GB GB4041/63A patent/GB1020783A/en not_active Expired
- 1963-02-05 LU LU43140D patent/LU43140A1/xx unknown
- 1963-02-05 CH CH141263A patent/CH397423A/de unknown
- 1963-02-05 FR FR923741A patent/FR1346676A/fr not_active Expired
- 1963-02-06 US US256517A patent/US3203332A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH397423A (de) | 1965-08-15 |
| GB1020783A (en) | 1966-02-23 |
| FR1346676A (fr) | 1963-12-20 |
| US3203332A (en) | 1965-08-31 |