BE530710A - - Google Patents
Info
- Publication number
- BE530710A BE530710A BE530710DA BE530710A BE 530710 A BE530710 A BE 530710A BE 530710D A BE530710D A BE 530710DA BE 530710 A BE530710 A BE 530710A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/6016—Conversion to subtractive colour signals
- H04N1/6022—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Color Image Communication Systems (AREA)
- Fax Reproducing Arrangements (AREA)
- Facsimile Image Signal Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US371355A US2807660A (en) | 1953-07-30 | 1953-07-30 | Color-correction systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE530710A true BE530710A (fr) |
Family
ID=23463635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE530710D BE530710A (fr) | 1953-07-30 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2807660A (fr) |
| BE (1) | BE530710A (fr) |
| CH (1) | CH325122A (fr) |
| FR (1) | FR1107546A (fr) |
| GB (1) | GB771249A (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL220780A (fr) * | 1956-09-19 | |||
| US2918523A (en) * | 1956-10-30 | 1959-12-22 | Rca Corp | Color correction system |
| NL220279A (fr) * | 1957-08-27 | |||
| US3144510A (en) * | 1960-03-01 | 1964-08-11 | Fairchild Camera Instr Co | Apparatus for the compression of color images |
| DE3262383D1 (en) * | 1982-04-10 | 1985-03-28 | Hell Rudolf Dr Ing Gmbh | Four-color printing method with tone-value-dependent colour removal |
| EP0095518B1 (fr) * | 1982-05-29 | 1985-08-14 | DR.-ING. RUDOLF HELL GmbH | Procédé de retrait de couleur dépendant de la valeur de ton à l'impression en quatre couleurs |
| US4965664A (en) * | 1986-08-15 | 1990-10-23 | Canon Kabushiki Kaisha | Color image signal processing method and apparatus for recording a color image from input color image signals by converting an individual color signal component |
| US5402245A (en) * | 1994-01-27 | 1995-03-28 | Hewlett-Packard Company | Bi-level digital color printer system exhibiting improved undercolor removal and error diffusion procedures |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2253086A (en) * | 1937-01-16 | 1941-08-19 | Eastman Kodak Co | Color photography |
| US2413706A (en) * | 1942-01-09 | 1947-01-07 | Norman R Gunderson | Apparatus for reproduction of pictorial representations |
| US2434561A (en) * | 1944-07-08 | 1948-01-13 | Interchem Corp | Color facsimile |
| US2560567A (en) * | 1946-10-09 | 1951-07-17 | Norman R Gunderson | Apparatus and method for use in color reproduction |
| US2691696A (en) * | 1950-10-27 | 1954-10-12 | Eastman Kodak Co | Electrooptical unsharp masking in color reproduction |
| US2721892A (en) * | 1951-06-27 | 1955-10-25 | Eastman Kodak Co | Variable electrooptical color correction |
| US2710889A (en) * | 1953-01-21 | 1955-06-14 | Edward Stern & Company Inc | Color reproduction |
-
0
- BE BE530710D patent/BE530710A/xx unknown
-
1953
- 1953-07-30 US US371355A patent/US2807660A/en not_active Expired - Lifetime
-
1954
- 1954-06-12 FR FR1107546D patent/FR1107546A/fr not_active Expired
- 1954-06-30 GB GB19184/54A patent/GB771249A/en not_active Expired
- 1954-07-17 CH CH325122D patent/CH325122A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1107546A (fr) | 1956-01-03 |
| CH325122A (de) | 1957-10-31 |
| US2807660A (en) | 1957-09-24 |
| GB771249A (en) | 1957-03-27 |