GB2154094B - A multi-colour printing process - Google Patents

A multi-colour printing process

Info

Publication number
GB2154094B
GB2154094B GB08432008A GB8432008A GB2154094B GB 2154094 B GB2154094 B GB 2154094B GB 08432008 A GB08432008 A GB 08432008A GB 8432008 A GB8432008 A GB 8432008A GB 2154094 B GB2154094 B GB 2154094B
Authority
GB
United Kingdom
Prior art keywords
printing process
colour printing
colour
printing
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.)
Expired
Application number
GB08432008A
Other languages
English (en)
Other versions
GB2154094A (en
GB8432008D0 (en
Inventor
Mitsuhiko Yamada
Hitomi Atoji
Katsuaki Kashiwabara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP58249542A external-priority patent/JPS60143342A/ja
Priority claimed from JP58249543A external-priority patent/JPS60143343A/ja
Application filed by Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of GB8432008D0 publication Critical patent/GB8432008D0/en
Publication of GB2154094A publication Critical patent/GB2154094A/en
Application granted granted Critical
Publication of GB2154094B publication Critical patent/GB2154094B/en
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color, Gradation (AREA)
GB08432008A 1983-12-30 1984-12-19 A multi-colour printing process Expired GB2154094B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58249542A JPS60143342A (ja) 1983-12-30 1983-12-30 色修正方法
JP58249543A JPS60143343A (ja) 1983-12-30 1983-12-30 色修正方法

Publications (3)

Publication Number Publication Date
GB8432008D0 GB8432008D0 (en) 1985-01-30
GB2154094A GB2154094A (en) 1985-08-29
GB2154094B true GB2154094B (en) 1988-10-12

Family

ID=26539351

Family Applications (2)

Application Number Title Priority Date Filing Date
GB08432008A Expired GB2154094B (en) 1983-12-30 1984-12-19 A multi-colour printing process
GB08716302A Expired GB2191905B (en) 1983-12-30 1987-07-10 A method for colour correction

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB08716302A Expired GB2191905B (en) 1983-12-30 1987-07-10 A method for colour correction

Country Status (3)

Country Link
US (1) US4656505A (enExample)
DE (1) DE3447682A1 (enExample)
GB (2) GB2154094B (enExample)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4763190A (en) * 1986-06-30 1988-08-09 Xerox Corporation Digital color correction circuit
DE3808818A1 (de) * 1987-03-16 1988-09-29 Mitsubishi Electric Corp Vorrichtung zur farbumsetzung
US4989079A (en) * 1987-10-23 1991-01-29 Ricoh Company, Ltd. Color correction device and method having a hue area judgement unit
US4985853A (en) * 1987-10-26 1991-01-15 Tektronix, Inc. Display-based color system
JP3048151B2 (ja) * 1988-01-19 2000-06-05 キヤノン株式会社 カラー画像形成装置
US4985759A (en) * 1988-04-05 1991-01-15 Ricoh Company, Ltd. Method and apparatus for extracting black color component
US4884130A (en) * 1988-04-29 1989-11-28 Minnesota Mining And Manufacturing Company Method of describing a color in a triaxial planar vector color space
US5018085A (en) * 1988-06-16 1991-05-21 Hallmark Cards, Inc. Color printing system usable for reproduction of computer-generated images
JP3048158B2 (ja) * 1988-10-04 2000-06-05 キヤノン株式会社 カラー画像処理装置
JPH02118680A (ja) * 1988-10-28 1990-05-02 Fuji Xerox Co Ltd 画像形成装置の下色除去方式
US5208663A (en) * 1989-03-22 1993-05-04 Konica Corporation Color image processing apparatus provided with an image discrimination means
US5077604A (en) * 1989-10-30 1991-12-31 Asdg Incorporated Color printing, correction, and conversion apparatus and method
JP3040414B2 (ja) * 1990-01-23 2000-05-15 キヤノン株式会社 カラー画像処理装置
US5208664A (en) * 1990-05-16 1993-05-04 Matsushita Electric Industrial Co., Ltd. Image reading method and apparatus with coordination function between read value and original density
JPH05276368A (ja) * 1992-03-26 1993-10-22 Canon Inc カラー画像処理方法及び装置
US5473446A (en) * 1992-05-04 1995-12-05 Hewlett-Packard Company Color digital halftoning using black and secondary color replacement and color vector dithering
US5657137A (en) * 1992-05-04 1997-08-12 Hewlett-Packard Company Color digital halftoning using black and secondary color replacement
EP0590854B1 (en) * 1992-09-30 1997-08-13 Hewlett-Packard Company Controlling ink migration and physical color gamut discontinuities in digital color printing
US5331438A (en) * 1992-11-30 1994-07-19 Xerox Corporation Method and apparatus for improving full color images using process black and printer black
DE69526276T2 (de) * 1994-01-27 2003-03-20 Hewlett-Packard Co. (N.D.Ges.D.Staates Delaware), Palo Alto Farbdrucksystem
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
JP3353471B2 (ja) * 1994-06-30 2002-12-03 三菱電機株式会社 印画方法及び印画装置
JPH09294215A (ja) * 1996-02-29 1997-11-11 Konica Corp 色補正条件算出方法、色補正方法、色補正条件算出装置、色補正装置および記憶媒体
EP0830948B1 (en) * 1996-04-04 2003-03-12 Sony Corporation Ink jet printer and head unit of the same
US7715044B2 (en) * 2005-03-29 2010-05-11 Xerox Corporation Two-dimensional gray component replacement
JP4495068B2 (ja) * 2005-11-14 2010-06-30 三菱重工業株式会社 印刷管理システム及びその方法並びにプログラム
US8139266B2 (en) * 2007-09-14 2012-03-20 Konica Minolta Business Technologies, Inc. Color printing control device, color printing control method, and computer readable recording medium stored with color printing control program

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2939908A (en) * 1956-07-20 1960-06-07 Rca Corp Color correction system
GB1057370A (en) * 1963-11-08 1967-02-01 Kyte Derek John Improvements in or relating to colour printing
JPS5224701A (en) * 1975-08-20 1977-02-24 Dainippon Screen Mfg Method of correcting color of image signal
IL59886A (en) * 1979-04-23 1983-06-15 Dainippon Screen Mfg Digital color control method and machine
JPS56102853A (en) * 1980-01-21 1981-08-17 Dainippon Screen Mfg Co Ltd Metho for pretreating image signal of image copying apparatus
DE3262383D1 (en) * 1982-04-10 1985-03-28 Hell Rudolf Dr Ing Gmbh Four-color printing method with tone-value-dependent colour removal
EP0095518B1 (de) * 1982-05-29 1985-08-14 DR.-ING. RUDOLF HELL GmbH Verfahren zur tonwertabhängigen Farbrücknahme im Vierfarbendruck

Also Published As

Publication number Publication date
GB8716302D0 (en) 1987-08-19
GB2191905A (en) 1987-12-23
DE3447682A1 (de) 1985-07-18
GB2154094A (en) 1985-08-29
US4656505A (en) 1987-04-07
GB8432008D0 (en) 1985-01-30
GB2191905B (en) 1988-09-14
DE3447682C2 (enExample) 1988-01-14

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19981219