DK512982A - Rastersystem til flerfarvetryk - Google Patents

Rastersystem til flerfarvetryk Download PDF

Info

Publication number
DK512982A
DK512982A DK512982A DK512982A DK512982A DK 512982 A DK512982 A DK 512982A DK 512982 A DK512982 A DK 512982A DK 512982 A DK512982 A DK 512982A DK 512982 A DK512982 A DK 512982A
Authority
DK
Denmark
Prior art keywords
color printing
screen
color
raster system
screens
Prior art date
Application number
DK512982A
Other languages
English (en)
Inventor
Johannes Schoppmeyer
Original Assignee
Hell Rudolf Dr Ing Gmbh
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
Application filed by Hell Rudolf Dr Ing Gmbh filed Critical Hell Rudolf Dr Ing Gmbh
Publication of DK512982A publication Critical patent/DK512982A/da

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F5/00—Screening processes; Screens therefor
    • G03F5/22—Screening processes; Screens therefor combining several screens; Elimination of moiré

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Printing Methods (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Color, Gradation (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Screen Printers (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Parts Printed On Printed Circuit Boards (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Compounds Of Unknown Constitution (AREA)
DK512982A 1981-11-20 1982-11-18 Rastersystem til flerfarvetryk DK512982A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP81109796A EP0079974B1 (de) 1981-11-20 1981-11-20 Rastersystem für den Mehrfarbendruck

Publications (1)

Publication Number Publication Date
DK512982A true DK512982A (da) 1983-05-21

Family

ID=8188023

Family Applications (1)

Application Number Title Priority Date Filing Date
DK512982A DK512982A (da) 1981-11-20 1982-11-18 Rastersystem til flerfarvetryk

Country Status (8)

Country Link
US (1) US4537470A (da)
EP (1) EP0079974B1 (da)
JP (1) JPH0713739B2 (da)
AT (1) ATE25434T1 (da)
DE (1) DE3175911D1 (da)
DK (1) DK512982A (da)
IL (1) IL67260A (da)
SU (1) SU1412603A3 (da)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60113582A (ja) * 1983-11-24 1985-06-20 Ricoh Co Ltd 中間調画像処理方法
AT381401B (de) * 1984-06-04 1986-10-10 Weidinger Wolfgang Verfahren zur herstellung von rasterfarbauszuegen und deren weiterverarbeitung auf eine flexodruckform
JPH0734110B2 (ja) * 1985-07-12 1995-04-12 富士写真フイルム株式会社 簡易カラープルーフにおける画像濃度変更方法
JPH0691620B2 (ja) * 1988-11-15 1994-11-14 大日本スクリーン製造株式会社 カラー画像の網目版画像記録方法
DE4011689A1 (de) * 1990-04-06 1991-10-17 Berthold Ag H Verfahren zur erzeugung von halbton-rasterpunkten
US5155599A (en) * 1991-07-25 1992-10-13 Miles, Inc. Screening system and method for color reproduction in offset printing
AU4237593A (en) * 1992-05-06 1993-11-29 Microsoft Corporation Method and system of color halftone reproduction
DE69308632T2 (de) 1992-05-22 1997-10-02 Agfa Gevaert Nv Verbessertes Verfahren zur frequenzmodulierten Halbtonrasterung
US5552898A (en) 1994-07-06 1996-09-03 Agfa-Gevaert Lossy and lossless compression in raster image processor
US6346993B1 (en) 1999-02-05 2002-02-12 Xerox Corporation Tone-variation-resistant phase-shiftable halftone screen system and method of using
JP2002112047A (ja) * 2000-09-29 2002-04-12 Fuji Xerox Co Ltd カラー画像形成装置およびその形成方法
JP4121256B2 (ja) * 2001-06-12 2008-07-23 富士フイルム株式会社 網点閾値データ作成方法
US6798541B2 (en) 2001-06-29 2004-09-28 Xerox Corporation Systems and methods for generating binary clustered, irrational halftone dots
US7119928B2 (en) * 2002-01-16 2006-10-10 Xerox Corporation Systems and methods for generating threshold array halftone images with partial pixel position resolution
US7839537B2 (en) * 2004-04-30 2010-11-23 Eastman Kodak Company Method and apparatus for multi-color printing using a rosette or diamond halftone screen for one or more of the colors
US7508549B2 (en) * 2004-04-30 2009-03-24 Eastman Kodak Company Method and apparatus for multi-color printing using hybrid dot-line halftone composite screens
US7852536B2 (en) * 2005-04-18 2010-12-14 Xerox Corporation Angle avoidance for color halftone screens
US20070002410A1 (en) * 2005-06-30 2007-01-04 Majewicz Peter I Hybrid halftoning
US8416458B2 (en) * 2009-11-04 2013-04-09 Xerox Corporation Rotated halftone screen geometry that avoids beat-based banding
US20110141525A1 (en) * 2009-12-15 2011-06-16 Ng Yee S Multi-level halftone screens
JP6102281B2 (ja) * 2013-01-28 2017-03-29 株式会社リコー 電子写真画像出力装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3085878A (en) * 1958-09-29 1963-04-16 Rochester Inst Tech Half-tone screen for color separation
DE2012728C3 (de) * 1970-03-18 1974-09-19 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur elektrooptischen Aufzeichnung von gerasterten Halbtonbildern
DE2827596C2 (de) * 1978-06-23 1984-11-22 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren und Anordnung zur Herstellung gerasterter Druckformen
JPS6128202Y2 (da) * 1979-08-21 1986-08-21

Also Published As

Publication number Publication date
EP0079974A1 (de) 1983-06-01
JPS5893057A (ja) 1983-06-02
US4537470A (en) 1985-08-27
ATE25434T1 (de) 1987-02-15
SU1412603A3 (ru) 1988-07-23
IL67260A (en) 1986-02-28
JPH0713739B2 (ja) 1995-02-15
EP0079974B1 (de) 1987-02-04
DE3175911D1 (en) 1987-03-12

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment