KR20000075261A - 컬러 화상 인쇄장치 - Google Patents
컬러 화상 인쇄장치 Download PDFInfo
- Publication number
- KR20000075261A KR20000075261A KR1019990019767A KR19990019767A KR20000075261A KR 20000075261 A KR20000075261 A KR 20000075261A KR 1019990019767 A KR1019990019767 A KR 1019990019767A KR 19990019767 A KR19990019767 A KR 19990019767A KR 20000075261 A KR20000075261 A KR 20000075261A
- Authority
- KR
- South Korea
- Prior art keywords
- color
- toner
- toner saving
- density
- saving mode
- Prior art date
Links
- 239000003086 colorant Substances 0.000 claims abstract description 28
- 238000000605 extraction Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims description 20
- 239000000284 extract Substances 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 11
- 238000004042 decolorization Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000004044 response Effects 0.000 description 2
- 240000007124 Brassica oleracea Species 0.000 description 1
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 1
- 235000012905 Brassica oleracea var viridis Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
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- 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
- H04N1/6025—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking using look-up tables
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
- G03G15/0105—Details of unit
- G03G15/0121—Details of unit for developing
-
- 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
- G03G2215/0167—Apparatus for electrophotographic processes for producing multicoloured copies single electrographic recording member
- G03G2215/017—Apparatus for electrophotographic processes for producing multicoloured copies single electrographic recording member single rotation of recording member to produce multicoloured copy
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Control Or Security For Electrophotography (AREA)
- Color Electrophotography (AREA)
- Color Image Communication Systems (AREA)
Abstract
Description
Claims (4)
- 원본 화상의 픽셀표시컬러를 형성하는 옐로우, 마젠타, 시안 3원색 각각의 농도데이터에 포함된 공통농도치로부터 추출하여 대체적용할 흑색함유농도를 비토너절약모드와 토너절약모드에 대해 상호 다르게 설정된 복수의 하색추출패턴이 구비되어 있고, 비토너절약모드와 토너절약모드중 어느 하나의 선택을 지정하는 토너소비모드 선택신호에 대응하는 하색추출패턴에 따라 상기 공통농도치에 대응하여 결정된 소정의 하색농도치를 상기 원본 화상의 픽셀표시컬러의 각 색상별 농도데이터로부터 차감한 옐로우, 마젠타, 시안 네트 농도데이터 및 상기 하색농도치에 대응하는 블랙색상의 농도데이터를 구해 출력하는 콘츄롤러와;상기 콘츄롤러로부터 출력되는 옐로우, 마젠타, 시안 네트 농도데이터 및 상기 블랙색상의 농도데이터에 대응하는 각 색상별 현상제로 기록매체에 컬러 화상을 인쇄하는 엔진; 및상기 비토너절약모드와 토너절약모드중 어느 하나의 선택을 지정할 수 있도록 되어 있고, 선택된 상기 토너소비모드 선택신호를 상기 콘츄롤러에 출력하는 토너소비모드 선택수단;을 구비하는 것을 구비하는 것을 특징으로 하는 컬러화상 인쇄장치.
- 제1항에 있어서,상기 콘츄롤러는 상기 비토너절약모드시 상기 공통농도치에 대해 적용되는 비토너절약 인쇄용 하색추출패턴 데이터가 기록된 제1메모리와;상기 공통농도치에 대해 적용되는 상기 토너절약 인쇄용 하색추출패턴테이터가 기록된 제2메모리와;상기 제1메모리와 상기 제2메모리중 상기 토너소비모드 선택신호에 대응하는 어느 하나의 메모리를 선택하여 상기 공통농도치에 대응하여 기록된 하색농도치를 구하고, 각 픽셀을 이루는 상기 원본 화상의 옐로우, 마젠타 , 시안색상 각각의 농도데이터에서 상기 하색농도치를 차감하여 상기 3원색에 대한 각 색상별로 상기 네트농도데이터와 상기 하색농도치에 해당하는 흑색농도데이터를 한픽셀 컬러데이터로 생성하여 출력하는 하색제거 및 흑색 생성처리부;를 구비하는 것을 특징으로 하는 컬러화상 인쇄장치.
- 제2항에 있어서,상기 공통농도치에 대해 상기 비토너절약 인쇄용 하색추출패턴은 상기 토너절약 인쇄용 하색추출패턴보다 하색농도가 낮게 되도록 설정되어 있는 것을 특징으로 하는 컬러화상 인쇄장치.
- 제1항에 있어서,상기 토너소비모드 선택수단은 사용자가 조작할 수 있도록 본체 외측에 마련되어 있는 것을 특징으로 하는 컬러화상 인쇄장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990019767A KR20000075261A (ko) | 1999-05-31 | 1999-05-31 | 컬러 화상 인쇄장치 |
US09/576,177 US6236817B1 (en) | 1999-05-31 | 2000-05-23 | Color image printing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990019767A KR20000075261A (ko) | 1999-05-31 | 1999-05-31 | 컬러 화상 인쇄장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20000075261A true KR20000075261A (ko) | 2000-12-15 |
Family
ID=19588804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990019767A KR20000075261A (ko) | 1999-05-31 | 1999-05-31 | 컬러 화상 인쇄장치 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6236817B1 (ko) |
KR (1) | KR20000075261A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100712480B1 (ko) * | 2005-06-15 | 2007-04-30 | 삼성전자주식회사 | 화상형성장치, 광주사장치 및 화상형성방법 |
US10539908B2 (en) | 2016-12-29 | 2020-01-21 | Hewlett-Packard Development Company, L.P. | Image forming apparatus and method for image forming |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6972857B2 (en) * | 2000-12-18 | 2005-12-06 | Xerox Corporation | Method and apparatus for controlling consumable use in an image-rendering device |
WO2007054941A2 (en) * | 2005-11-14 | 2007-05-18 | Reuven Zemach | Apparatus and method for reducing ink/toner consumption of color printers |
KR101326306B1 (ko) * | 2006-11-28 | 2013-11-11 | 삼성전자주식회사 | 화상형성장치 및 그 제어방법 |
KR20080070384A (ko) * | 2007-01-26 | 2008-07-30 | 삼성전자주식회사 | 컬러 인쇄 장치 및 그 제어방법 |
JP4855352B2 (ja) * | 2007-07-03 | 2012-01-18 | 大日本スクリーン製造株式会社 | 色変換装置、色変換方法、画像形成システムおよびプログラム |
KR20160016458A (ko) * | 2014-08-05 | 2016-02-15 | 삼성전자주식회사 | 인쇄 제어 단말장치, 인쇄 제어 방법, 화상형성장치, 화상형성방법 및 컴퓨터 판독가능 기록 매체 |
JP2018069593A (ja) * | 2016-10-31 | 2018-05-10 | 京セラドキュメントソリューションズ株式会社 | モノクロ画像形成装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08146828A (ja) * | 1994-11-17 | 1996-06-07 | Tec Corp | カラー画像形成装置 |
US5946450A (en) * | 1996-09-27 | 1999-08-31 | Xerox Corporation | Printer pixel size and toner/ink consumption reduction system |
US5751434A (en) * | 1997-06-27 | 1998-05-12 | Xerox Corporation | Area dependent draft printing system |
-
1999
- 1999-05-31 KR KR1019990019767A patent/KR20000075261A/ko not_active Application Discontinuation
-
2000
- 2000-05-23 US US09/576,177 patent/US6236817B1/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100712480B1 (ko) * | 2005-06-15 | 2007-04-30 | 삼성전자주식회사 | 화상형성장치, 광주사장치 및 화상형성방법 |
US10539908B2 (en) | 2016-12-29 | 2020-01-21 | Hewlett-Packard Development Company, L.P. | Image forming apparatus and method for image forming |
US11009807B2 (en) | 2016-12-29 | 2021-05-18 | Hewlett-Packard Development Company, L.P. | Image forming apparatus and method for image forming |
Also Published As
Publication number | Publication date |
---|---|
US6236817B1 (en) | 2001-05-22 |
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