NL256633A - - Google Patents
Info
- Publication number
- NL256633A NL256633A NL256633DA NL256633A NL 256633 A NL256633 A NL 256633A NL 256633D A NL256633D A NL 256633DA NL 256633 A NL256633 A NL 256633A
- Authority
- NL
- Netherlands
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
- H04N1/58—Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Color Television Image Signal Generators (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US845451A US2972012A (en) | 1959-10-09 | 1959-10-09 | Photoelectric unsharp masking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL256633A true NL256633A (fi) |
Family
ID=25295268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL256633D NL256633A (fi) | 1959-10-09 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2972012A (fi) |
| CH (1) | CH443881A (fi) |
| GB (1) | GB891978A (fi) |
| NL (1) | NL256633A (fi) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3144510A (en) * | 1960-03-01 | 1964-08-11 | Fairchild Camera Instr Co | Apparatus for the compression of color images |
| NL270369A (fi) * | 1961-01-16 | |||
| NL278517A (fi) * | 1961-05-16 | |||
| NL137523C (fi) * | 1961-05-16 | |||
| US3170032A (en) * | 1961-06-22 | 1965-02-16 | Dick Co Ab | Facsimile-scanner with a.g.c. of output signal by multiplication of low and high definition signals |
| GB1057253A (en) * | 1962-11-09 | 1967-02-01 | Emi Ltd | Improvements relating to television camera arrangements |
| US3501588A (en) * | 1967-11-06 | 1970-03-17 | Willard John Elliott | Television camera tube system utilizing a plurality of image pickup devices to produce a superior quality image |
| US3883436A (en) * | 1971-07-16 | 1975-05-13 | Nasa | Physical correction filter for improving the optical quality of an image |
| US3778541A (en) * | 1971-09-03 | 1973-12-11 | Itek Corp | System for analyzing multicolored scenes |
| US4160994A (en) * | 1975-06-07 | 1979-07-10 | Sonex International Corp. | Luminance key amplifier |
| US4293872A (en) * | 1978-07-24 | 1981-10-06 | Dr.-Ing. Rudolf Hell Gmbh | Production of printing blocks or forms |
| DE3010880C2 (de) * | 1980-03-21 | 1984-06-20 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Rasterumsetzungsverfahren zum Gravieren von Druckformen |
| DE3442955A1 (de) * | 1984-11-24 | 1986-06-05 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren und vorrichtung zur herstellung fotografischer bilder durch punktweises aufbelichten |
| US4745465A (en) * | 1986-03-24 | 1988-05-17 | Eastman Kodak Company | Digital color image processing method employing histogram normalization for tone and color reproduction |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2548829A (en) * | 1948-03-27 | 1951-04-10 | Rca Corp | Color television system |
| US2691696A (en) * | 1950-10-27 | 1954-10-12 | Eastman Kodak Co | Electrooptical unsharp masking in color reproduction |
| DE930491C (de) * | 1952-07-15 | 1955-07-18 | Rudolf Dr-Ing Hell | Verfahren zur elektromechanischen Herstellung von Hochdruckformen nach Strichvorlagen |
| US2865984A (en) * | 1953-09-03 | 1958-12-23 | Time Inc | Edge correcting system for visual image transference apparatus |
-
0
- NL NL256633D patent/NL256633A/xx unknown
-
1959
- 1959-10-09 US US845451A patent/US2972012A/en not_active Expired - Lifetime
-
1960
- 1960-09-22 GB GB32612/60A patent/GB891978A/en not_active Expired
- 1960-10-10 CH CH1133960A patent/CH443881A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB891978A (en) | 1962-03-21 |
| US2972012A (en) | 1961-02-14 |
| CH443881A (de) | 1967-09-15 |