JP2004145339A - 黒色の選択的増強方法 - Google Patents
黒色の選択的増強方法 Download PDFInfo
- Publication number
- JP2004145339A JP2004145339A JP2003358125A JP2003358125A JP2004145339A JP 2004145339 A JP2004145339 A JP 2004145339A JP 2003358125 A JP2003358125 A JP 2003358125A JP 2003358125 A JP2003358125 A JP 2003358125A JP 2004145339 A JP2004145339 A JP 2004145339A
- Authority
- JP
- Japan
- Prior art keywords
- black color
- black
- reference pattern
- pixel
- color pixels
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000010586 diagram Methods 0.000 description 8
- 239000003086 colorant Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G13/00—Electrographic processes using a charge pattern
- G03G13/01—Electrographic processes using a charge pattern for multicoloured copies
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/01—Apparatus for electrophotographic processes for producing multicoloured copies
- G03G2215/0151—Apparatus for electrophotographic processes for producing multicoloured copies characterised by the technical problem
- G03G2215/0158—Colour registration
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
- Color, Gradation (AREA)
- Color Electrophotography (AREA)
- Image Processing (AREA)
- Fax Reproducing Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/280,223 US6799912B2 (en) | 2002-10-25 | 2002-10-25 | Selective enhancement of black |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004145339A true JP2004145339A (ja) | 2004-05-20 |
| JP2004145339A5 JP2004145339A5 (enExample) | 2006-11-30 |
Family
ID=32106876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003358125A Pending JP2004145339A (ja) | 2002-10-25 | 2003-10-17 | 黒色の選択的増強方法 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6799912B2 (enExample) |
| JP (1) | JP2004145339A (enExample) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE195689T1 (de) * | 1992-10-30 | 2000-09-15 | Canon Kk | Verfahren zur herstellung eines schwarzen bildes in dem schwarze tinte farbiger tinte überlagert ist |
| DE69528959T2 (de) * | 1995-03-01 | 2003-08-21 | Hewlett-Packard Co. (N.D.Ges.D.Staates Delaware), Palo Alto | Tintenstrahldruckverfahren unter Verwendung von Farbenverstärkung in schwarzen Gebieten |
| US6250733B1 (en) * | 1998-11-23 | 2001-06-26 | Xerox Corporation | Color printer halftoning method |
| US6373594B1 (en) * | 1998-12-29 | 2002-04-16 | Xerox Corporation | Color printer halftoning method and apparatus |
| US6183062B1 (en) * | 1999-12-03 | 2001-02-06 | Xerox Corporation | Maintaining black edge quality in liquid ink printing |
-
2002
- 2002-10-25 US US10/280,223 patent/US6799912B2/en not_active Expired - Fee Related
-
2003
- 2003-10-17 JP JP2003358125A patent/JP2004145339A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20040081497A1 (en) | 2004-04-29 |
| US6799912B2 (en) | 2004-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20061016 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20061016 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090529 |
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| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090608 |
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| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090907 |
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| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20091109 |