DE3525414C2 - - Google Patents

Info

Publication number
DE3525414C2
DE3525414C2 DE3525414A DE3525414A DE3525414C2 DE 3525414 C2 DE3525414 C2 DE 3525414C2 DE 3525414 A DE3525414 A DE 3525414A DE 3525414 A DE3525414 A DE 3525414A DE 3525414 C2 DE3525414 C2 DE 3525414C2
Authority
DE
Germany
Prior art keywords
image
color
data
toner
color data
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 - Fee Related
Application number
DE3525414A
Other languages
German (de)
English (en)
Other versions
DE3525414C3 (de
DE3525414A1 (de
Inventor
Hisashi Shoji
Satoshi Haneda
Seiichiro Hachioji Tokio/Tokyo Jp Hiratsuka
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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 JP59150451A external-priority patent/JPH079550B2/ja
Priority claimed from JP15044884A external-priority patent/JPS6127566A/ja
Priority claimed from JP15045084A external-priority patent/JPS6127565A/ja
Priority claimed from JP15044984A external-priority patent/JPS6127567A/ja
Application filed by Konica Minolta Inc filed Critical Konica Minolta Inc
Publication of DE3525414A1 publication Critical patent/DE3525414A1/de
Application granted granted Critical
Publication of DE3525414C2 publication Critical patent/DE3525414C2/de
Publication of DE3525414C3 publication Critical patent/DE3525414C3/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/50Picture reproducers
    • H04N1/506Reproducing the colour component signals picture-sequentially, e.g. with reproducing heads spaced apart from one another in the subscanning direction
    • H04N1/508Reproducing the colour component signals picture-sequentially, e.g. with reproducing heads spaced apart from one another in the subscanning direction using the same reproducing head for two or more colour components
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/01Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/52Circuits or arrangements for halftone screening
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/56Processing of colour picture signals
    • H04N1/60Colour correction or control
    • H04N1/6016Conversion to subtractive colour signals
    • H04N1/6022Generating a fourth subtractive colour signal, e.g. under colour removal, black masking

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Color Electrophotography (AREA)
DE3525414A 1984-07-18 1985-07-16 Verfahren und Vorrichtung zur Erzeugung eines Mehrfarbbilds Expired - Fee Related DE3525414C3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP59150451A JPH079550B2 (ja) 1984-07-18 1984-07-18 多色画像形成方法
JP15044884A JPS6127566A (ja) 1984-07-18 1984-07-18 カラ−画像形成装置
JP15045084A JPS6127565A (ja) 1984-07-18 1984-07-18 多色画像形成装置
JP15044984A JPS6127567A (ja) 1984-07-18 1984-07-18 カラ−画像形成装置

Publications (3)

Publication Number Publication Date
DE3525414A1 DE3525414A1 (de) 1986-01-23
DE3525414C2 true DE3525414C2 (enExample) 1992-06-25
DE3525414C3 DE3525414C3 (de) 1996-01-11

Family

ID=27473020

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3525414A Expired - Fee Related DE3525414C3 (de) 1984-07-18 1985-07-16 Verfahren und Vorrichtung zur Erzeugung eines Mehrfarbbilds

Country Status (3)

Country Link
US (1) US4680625A (enExample)
DE (1) DE3525414C3 (enExample)
GB (1) GB2164222B (enExample)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0204094B2 (en) 1985-03-30 1998-08-19 Hitachi, Ltd. Scanning recording type printing method and apparatus for realizing the same
JPS61225973A (ja) * 1985-03-30 1986-10-07 Konishiroku Photo Ind Co Ltd 多色像形成装置
JPS62133864A (ja) * 1985-12-05 1987-06-17 Minolta Camera Co Ltd カラ−画像再現用原稿の作成装置及び方法
US4708459A (en) * 1986-03-11 1987-11-24 Eastman Kodak Company Electrophotographic color proofing apparatus and method
US4974067A (en) * 1986-06-06 1990-11-27 Ricoh Company, Ltd. Multi-step-digital color image reproducing method and apparatus
US4878110A (en) * 1986-08-15 1989-10-31 Konishiroku Photo Industry Co., Ltd. Color image processing apparatus which accurately registers multiple color images by counting pulses from a timer reset by a drum index signal
US5162821A (en) * 1986-12-09 1992-11-10 Konica Corporation Color image forming apparatus
DE3789497T2 (de) * 1986-12-09 1994-07-21 Konishiroku Photo Ind Farbbilderzeugungsgerät.
US4823189A (en) * 1987-05-08 1989-04-18 Tektronix, Inc. Method and apparatus for creating a dither pattern
JPH06100861B2 (ja) * 1987-06-03 1994-12-12 コニカ株式会社 カラ−画像形成装置
US4903123A (en) * 1987-06-10 1990-02-20 Canon Kabushiki Kaisha Image processing apparatus using inclined line screens to reduce Moire
GB2206261B (en) * 1987-06-22 1992-02-05 Konishiroku Photo Ind Multicolour image forming method and apparatus
US4768046A (en) * 1987-10-23 1988-08-30 Eastman Kodak Company Dot printer with toner characteristic compensation means
US4958218A (en) * 1987-12-16 1990-09-18 Canon Kabushiki Kaisha Image processing method and apparatus with dot-processing
US5081528A (en) * 1988-03-10 1992-01-14 Canon Kabushiki Kaisha Image forming apparatus
US5177623A (en) * 1988-04-07 1993-01-05 Minolta Camera Kabushiki Kaisha Image processing apparatus and method
US4959790A (en) * 1988-06-28 1990-09-25 F & S Corporation Of Columbus, Georgia Apparatus and method for producing color corrected reproduction of colored original images
US4924301A (en) * 1988-11-08 1990-05-08 Seecolor Corporation Apparatus and methods for digital halftoning
US5194878A (en) * 1988-11-25 1993-03-16 Ishihara Sangyo Kaisha Ltd. Color electrophotographic method
DE68921851T2 (de) * 1988-11-30 1995-07-27 Konishiroku Photo Ind Mehrfarbenbilderzeugungsgerät.
US5107331A (en) * 1989-03-07 1992-04-21 The Color Group Method and apparatus for producing half-tone separations at the same screen angle
CA2050289A1 (en) * 1989-03-07 1990-09-08 Marcel Coderch Collell Method and apparatus for producing half-tone separations in color imaging
JPH02303863A (ja) * 1989-05-19 1990-12-17 Canon Inc 画像形成装置
US4970562A (en) * 1989-05-22 1990-11-13 Xerox Corporation Color image processing apparatus
US5184213A (en) * 1989-09-20 1993-02-02 Toyo Ink Mfg. Co., Ltd. Binarizing method for color image using modified error diffusion method
US5138303A (en) * 1989-10-31 1992-08-11 Microsoft Corporation Method and apparatus for displaying color on a computer output device using dithering techniques
US5083140A (en) * 1990-04-10 1992-01-21 Minnesota Mining And Manufacturing Company Multiple charge images initiation with scan synchronization
US5063399A (en) * 1990-08-06 1991-11-05 Eastman Kodak Company Electrophotographic apparatus having reduced drum drive flutter
US5202772A (en) * 1991-02-28 1993-04-13 Volt Information Sciences, Inc. Color halftone screen utilizing preselected halftone dots placed at preselected distance and screen angles from center halftone dots
GB2258783A (en) * 1991-08-14 1993-02-17 Dataproducts Corp Colour printer data signals with undercolour removal
US5251271A (en) * 1991-10-21 1993-10-05 R. R. Donnelley & Sons Co. Method for automatic registration of digitized multi-plane images
US5331438A (en) * 1992-11-30 1994-07-19 Xerox Corporation Method and apparatus for improving full color images using process black and printer black
IL112983A0 (en) * 1995-03-13 1995-06-29 Indigo Nv Half-toning and printing method
EP0765748A3 (en) * 1995-09-29 1997-08-13 Goss Graphics Systems Inc Device for aligning images in a control system for a printing machine
US5700611A (en) * 1995-12-07 1997-12-23 Eastman Kodak Company Method for forming overlapping toner images
US5740334A (en) * 1996-07-01 1998-04-14 Xerox Corporation Quantization method for color document reproduction in a color printing system
DE19631469C1 (de) * 1996-08-03 1998-02-19 Roland Man Druckmasch Verfahren und Vorrichtung zur Durchführung von Druckaufträgen
DE19815165B4 (de) * 1998-04-04 2005-03-24 Hell Gravure Systems Gmbh Verfahren zur Gravur von Druckformen
EP1206121A1 (de) * 2000-11-13 2002-05-15 Alcan Technology & Management AG Vorfahren zur Optimierung eines Bildverarbeitungs- und Druckprozesses
US20080024469A1 (en) * 2006-07-31 2008-01-31 Niranjan Damera-Venkata Generating sub-frames for projection based on map values generated from at least one training image
US20080024683A1 (en) * 2006-07-31 2008-01-31 Niranjan Damera-Venkata Overlapped multi-projector system with dithering
JP2008052017A (ja) * 2006-08-24 2008-03-06 Konica Minolta Business Technologies Inc カラー画像形成装置、画像形成プログラム及びカラー画像形成方法
JP2008099089A (ja) * 2006-10-13 2008-04-24 Konica Minolta Business Technologies Inc カラー画像処理方法、カラー画像処理装置及びカラー画像処理プログラム

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1053311B (de) * 1958-02-11 1959-03-19 Hell Rudolf Dr Ing Fa Verfahren und Vorrichtung zur elektronischen Farbkorrektur
NL299203A (enExample) * 1962-07-02
GB1255489A (en) * 1968-01-06 1971-12-01 Matsushita Electric Industrial Co Ltd Signal processing method in a color transmission system
CA946910A (en) * 1970-05-20 1974-05-07 Vaidevutis C. Draugelis Electrostatographic process and apparatus
DE2262824C3 (de) * 1972-12-22 1975-07-10 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur gerasterten Reproduktion farbiger Halbtonbilder im Ein- oder Mehrfarbendruck
DE2333861C3 (de) * 1973-07-03 1982-03-18 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren und Vorrichtung zur Aufzeichnung von farbigen Bildern
US4205322A (en) * 1976-04-27 1980-05-27 Nippon Electric Co., Ltd. Electrostatic method of simultaneously transferring to a recording medium a toner image having different polarities
JPS5579448A (en) * 1978-12-11 1980-06-14 Dainippon Screen Mfg Co Ltd Color separation simulation system
JPS55142345A (en) * 1979-04-23 1980-11-06 Dainippon Screen Mfg Co Ltd Masking operation method in digital color tone control
US4236809A (en) * 1979-09-04 1980-12-02 Xerox Corporation Low resolution correction apparatus and method for electrophotographic copiers
JPS56102853A (en) * 1980-01-21 1981-08-17 Dainippon Screen Mfg Co Ltd Metho for pretreating image signal of image copying apparatus
JPS56144452A (en) * 1980-04-14 1981-11-10 Hitachi Ltd Electrophotographic recorder
GB2088169B (en) * 1980-11-24 1985-10-23 Xerox Corp Multi-mode color copier
DE3177123D1 (en) * 1980-12-17 1989-12-21 Matsushita Res Inst Colour image duplicating device and method
JPS57109095A (en) * 1980-12-26 1982-07-07 Fuji Photo Film Co Ltd System for color ink jet recording
JPS57124367A (en) * 1981-01-26 1982-08-03 Canon Inc Image forming method and its device
JPS57129749A (en) * 1981-02-06 1982-08-11 Fuji Photo Film Co Ltd Method and device for bringing out medium tone in ink-jet printer
US4521805A (en) * 1981-04-24 1985-06-04 Canon Kabushiki Kaisha Printing apparatus or system
JPH0716234B2 (ja) * 1981-09-01 1995-02-22 キヤノン株式会社 カラープリンタ
US4403848A (en) * 1982-02-17 1983-09-13 Xerox Corporation Electronic color printing system
ATE14944T1 (de) * 1982-05-29 1985-08-15 Hell Rudolf Dr Ing Gmbh Verfahren zur tonwertabhaengigen farbruecknahme im vierfarbendruck.
JPS5946655A (ja) * 1982-09-09 1984-03-16 Hitachi Ltd カラ−画像記録方法及び記録装置
JPS5978353A (ja) * 1982-10-28 1984-05-07 Dainippon Screen Mfg Co Ltd 網目版画像記録装置における網点形成方法

Also Published As

Publication number Publication date
DE3525414C3 (de) 1996-01-11
US4680625A (en) 1987-07-14
GB8517625D0 (en) 1985-08-21
DE3525414A1 (de) 1986-01-23
GB2164222B (en) 1988-09-28
GB2164222A (en) 1986-03-12

Similar Documents

Publication Publication Date Title
DE3525414C2 (enExample)
DE3733925C2 (de) Verfahren zur Erzeugung eines Mehrfarbbilds
DE3610465C2 (de) Mehrfarbbild-Erzeugungsvorrichtung
DE3486297T2 (de) Vielfachbild-Reproduktionsverfahren.
DE69215038T2 (de) Abbildungsgerät
DE69132230T2 (de) Farbbildverarbeitungsanordnung
DE69306878T2 (de) Farbdrucksystem mit vier Farbtonern und einzelnem Durchgang unter Verwendung zweier dreistufiger xerographischer Einheiten
DE2944986A1 (de) Anschlagfreie druckmaschine
DE3524159C2 (de) Verfahren und Vorrichtung zur Erzeugung eines Farbbildes
DE3780212T2 (de) Kompensation beim drucken feiner striche.
DE69711769T2 (de) Farbbilderzeugungsverfahren und -vorrichtung
DE68907802T2 (de) Elektrofotografisches Gerät mit Tonerdichteausgleich und Strichbreitensteuerung.
DE3853160T2 (de) Verfahren zur herstellung von elektrophotographien.
DE3606427C2 (enExample)
DE3821064A1 (de) Verfahren und vorrichtung zur mehrfarb-bilderzeugung
DE3531098A1 (de) Bilderzeugungsverfahren
DE3526878C2 (de) Vorrichtung zur Erzeugung eines Mehrfarbbildes
DE19844081A1 (de) Zweifarb-Bilderzeugungseinrichtung
DE3813463A1 (de) Bilderzeugungsvorrichtung
DE69735787T2 (de) Gerät und Verfahren zur Ausgabe eines Vielfarbenbildes
DE60031039T2 (de) Vorrichtung und Verfahren zur Erzeugung von Bildern mit verbesserter Bildwiedergabe
DE3707026A1 (de) Verfahren zum herstellen eines farbbildes
DE69411041T2 (de) Ein elektrophotographischer Farbdrucker und ein, einen solchen Drucker verwendendes Druckverfahren
DE69029067T2 (de) Farbbilderzeugungsverfahren und -vorrichtung
DE3628348A1 (de) Geraet und verfahren zur bilderzeugung

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: KONICA CORP., TOKIO/TOKYO, JP

8128 New person/name/address of the agent

Representative=s name: FEILER, L., DR.RER.NAT. HAENZEL, W., DIPL.-ING. KO

D2 Grant after examination
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8305 Restricted maintenance of patent after opposition
D4 Patent maintained restricted
8339 Ceased/non-payment of the annual fee