DE2025091A1 - Verfahren zur Reproduktion farbiger Originale - Google Patents
Verfahren zur Reproduktion farbiger OriginaleInfo
- Publication number
- DE2025091A1 DE2025091A1 DE19702025091 DE2025091A DE2025091A1 DE 2025091 A1 DE2025091 A1 DE 2025091A1 DE 19702025091 DE19702025091 DE 19702025091 DE 2025091 A DE2025091 A DE 2025091A DE 2025091 A1 DE2025091 A1 DE 2025091A1
- Authority
- DE
- Germany
- Prior art keywords
- signals
- color
- signal
- red
- green
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 12
- 239000000976 ink Substances 0.000 claims description 14
- 239000003086 colorant Substances 0.000 claims description 10
- 230000000295 complement effect Effects 0.000 claims description 9
- 238000007639 printing Methods 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000004043 responsiveness Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 235000015895 biscuits Nutrition 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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
- H04N1/54—Conversion of colour picture signals to a plurality of signals some of which represent particular mixed colours, e.g. for textile printing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Textile Engineering (AREA)
- Color Image Communication Systems (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color, Gradation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB26508/69A GB1294351A (en) | 1969-05-23 | 1969-05-23 | Improvements relating to colour printing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2025091A1 true DE2025091A1 (de) | 1970-11-26 |
Family
ID=10244766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702025091 Ceased DE2025091A1 (de) | 1969-05-23 | 1970-05-22 | Verfahren zur Reproduktion farbiger Originale |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3647295A (enExample) |
| JP (1) | JPS517373B1 (enExample) |
| DE (1) | DE2025091A1 (enExample) |
| GB (1) | GB1294351A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992004800A1 (en) * | 1990-08-29 | 1992-03-19 | E.I. Du Pont De Nemours And Company | A method for creating multicolored halftone reproductions from continuous tone monochrome originals |
| EP0571926A1 (en) * | 1992-05-25 | 1993-12-01 | Canon Kabushiki Kaisha | Image forming system and apparatus constituting the same |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2206633C3 (de) * | 1972-02-11 | 1981-01-08 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Vorrichtung zur Identifizierung von Farben |
| FR2216567B2 (enExample) * | 1973-02-02 | 1977-07-22 | Verdol Sa | |
| US4183657A (en) * | 1978-04-10 | 1980-01-15 | International Business Machines Corporation | Dynamic reference for an image quality control system |
| US4178095A (en) * | 1978-04-10 | 1979-12-11 | International Business Machines Corporation | Abnormally low reflectance photoconductor sensing system |
| US4179213A (en) * | 1978-04-10 | 1979-12-18 | International Business Machines Corporation | Vector pinning in an electrophotographic machine |
| US4486772A (en) * | 1980-09-10 | 1984-12-04 | Dr.- Ing. Rudolph Hell GmbH | Method and circuit arrangement for partial correction of the delineation in color image reproduction |
| DE3313392A1 (de) * | 1982-04-14 | 1983-10-20 | Fuji Photo Film Co., Ltd., Minami Ashigara, Kanagawa | Verfahren und vorrichtung zur digitalen farbkorrektur |
| US4500919A (en) * | 1982-05-04 | 1985-02-19 | Massachusetts Institute Of Technology | Color reproduction system |
| US4745466A (en) * | 1983-03-06 | 1988-05-17 | Canon Kabushiki Kaisha | Digital color image processing apparatus with color masking processing unit addressed by a plurality of multi-bit color component signals using various combinations of the bits of the signals |
| GB8425339D0 (en) * | 1984-10-08 | 1984-11-14 | Crosfield Electronics Ltd | Reproduction of coloured images |
| US5155588A (en) * | 1990-02-06 | 1992-10-13 | Levien Raphael L | Color correction and apparatus for photographic reproduction |
| US6801336B1 (en) * | 1999-08-30 | 2004-10-05 | Creo Inc. | System and method for producing halftoned color separations for an output imaging device |
| US7072072B1 (en) * | 2000-05-02 | 2006-07-04 | Xerox Corporation | Color rendering optimized for text and line art |
| US7375857B1 (en) | 2000-09-22 | 2008-05-20 | Eastman Kodak Company | Print proofing with color and screen matching |
| US6786565B2 (en) | 2001-09-24 | 2004-09-07 | Creo Americas, Inc. | Inkjet proofing with matched color and screen resolution |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3220304A (en) * | 1959-01-30 | 1965-11-30 | Pako Corp | Photographic printer |
| US3144510A (en) * | 1960-03-01 | 1964-08-11 | Fairchild Camera Instr Co | Apparatus for the compression of color images |
-
1969
- 1969-05-23 GB GB26508/69A patent/GB1294351A/en not_active Expired
-
1970
- 1970-05-18 US US38328A patent/US3647295A/en not_active Expired - Lifetime
- 1970-05-22 DE DE19702025091 patent/DE2025091A1/de not_active Ceased
- 1970-05-23 JP JP45044427A patent/JPS517373B1/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992004800A1 (en) * | 1990-08-29 | 1992-03-19 | E.I. Du Pont De Nemours And Company | A method for creating multicolored halftone reproductions from continuous tone monochrome originals |
| EP0571926A1 (en) * | 1992-05-25 | 1993-12-01 | Canon Kabushiki Kaisha | Image forming system and apparatus constituting the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS517373B1 (enExample) | 1976-03-06 |
| US3647295A (en) | 1972-03-07 |
| GB1294351A (en) | 1972-10-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8131 | Rejection |