DE68925348D1 - Methode und Vorrichtung zum Aufzeichnen von Halbtonbildern und die dadurch hergestellten Halbtonbilder - Google Patents

Methode und Vorrichtung zum Aufzeichnen von Halbtonbildern und die dadurch hergestellten Halbtonbilder

Info

Publication number
DE68925348D1
DE68925348D1 DE68925348T DE68925348T DE68925348D1 DE 68925348 D1 DE68925348 D1 DE 68925348D1 DE 68925348 T DE68925348 T DE 68925348T DE 68925348 T DE68925348 T DE 68925348T DE 68925348 D1 DE68925348 D1 DE 68925348D1
Authority
DE
Germany
Prior art keywords
halftone images
recording
produced
images produced
halftone
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
DE68925348T
Other languages
English (en)
Other versions
DE68925348T2 (de
Inventor
Osamu Dainippon Scree Kitagawa
Takashi Danippon Scre Sakamoto
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
Application filed by Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of DE68925348D1 publication Critical patent/DE68925348D1/de
Application granted granted Critical
Publication of DE68925348T2 publication Critical patent/DE68925348T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • 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
    • H04N1/52—Circuits or arrangements for halftone screening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/14—Multicolour printing
    • B41M1/20—Multicolour printing by applying differently-coloured inks simultaneously to different parts of the printing surface
    • 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
    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
    • H04N1/4058—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern with details for producing a halftone screen at an oblique angle

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
  • Color, Gradation (AREA)
  • Dot-Matrix Printers And Others (AREA)
DE68925348T 1988-11-24 1989-10-30 Methode und Vorrichtung zum Aufzeichnen von Halbtonbildern und die dadurch hergestellten Halbtonbilder Expired - Fee Related DE68925348T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP29656988 1988-11-24
JP1205127A JPH0691621B2 (ja) 1988-11-24 1989-08-08 網目版画像記録方法および装置

Publications (2)

Publication Number Publication Date
DE68925348D1 true DE68925348D1 (de) 1996-02-15
DE68925348T2 DE68925348T2 (de) 1996-11-14

Family

ID=26514871

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68925348T Expired - Fee Related DE68925348T2 (de) 1988-11-24 1989-10-30 Methode und Vorrichtung zum Aufzeichnen von Halbtonbildern und die dadurch hergestellten Halbtonbilder

Country Status (7)

Country Link
US (1) US5055923A (de)
EP (1) EP0370271B1 (de)
JP (1) JPH0691621B2 (de)
KR (1) KR910007211B1 (de)
CN (1) CN1088549C (de)
CA (1) CA2001261C (de)
DE (1) DE68925348T2 (de)

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US5258832A (en) * 1990-09-14 1993-11-02 Minnesota Mining And Manufacturing Company Non-perpendicular, unequal frequency non-conventional screen patterns for electronic halftone generation
US5323245A (en) * 1990-09-14 1994-06-21 Minnesota Mining And Manufacturing Company Perpendicular, unequal frequency non-conventional screen patterns for electronic halftone generation
US5264926A (en) * 1990-09-14 1993-11-23 Minnesota Mining And Manufacturing Company Perpendicular, equal frequency non-conventional screen patterns for electronic halftone generation
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US5390035A (en) * 1992-12-23 1995-02-14 International Business Machines Corporation Method and means for tetrahedron/octahedron packing and tetrahedron extraction for function approximation
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US5742743A (en) * 1993-04-08 1998-04-21 Scitex Corporation Ltd. Apparatus and method for generating a screen reproduction of a color image including dot shape rotation
US5572600A (en) * 1993-06-22 1996-11-05 Nec Corporation Color image processing apparatus capable of suppressing moire
EP0647058B1 (de) * 1993-09-28 1999-04-14 Hewlett-Packard Company Digitale Halbtonrasterwiedergabe eines Grautonbildes mit frequenzabhängiger diagonaler Korrelation
JPH07101032A (ja) * 1993-09-30 1995-04-18 Sony Corp レーザ製版装置及び刷版
EP0665673A3 (de) * 1994-02-01 1996-06-12 Dainippon Screen Mfg Verfahren und Gerät zur Erzeugung eines halbtongerasterten Bildes mittels einer Schwellenmatrix.
DE69527675T2 (de) * 1994-04-27 2003-04-03 Agfa Gevaert Nv Mehrstufige Halbtonrasterung mit gruppierten Punkten und Linien für den elektrografischen Farbdruck
US5946453A (en) * 1995-04-27 1999-08-31 Agfa Corporation Clustered dot and line multilevel halftoning for electrographic color printing
EP0741486B1 (de) * 1995-05-05 2000-08-30 Agfa-Gevaert N.V. Moiréfreie Multipegelhalbtonerzeugung für Farbbilder
US5691823A (en) * 1995-06-26 1997-11-25 Scitex Corporation Ltd. Apparatus and method for random screening
US6137494A (en) * 1995-08-18 2000-10-24 International Business Machines Corporation Method and means for evaluating a tetrahedral linear interpolation function
US5930010A (en) * 1996-01-31 1999-07-27 Lexmark International, Inc. Method and apparatus for color halftoning using different halftoning techniques for halftoning different dot planes
JPH10145625A (ja) * 1996-11-15 1998-05-29 Minolta Co Ltd 多色画像形成装置及び多色画像形成方法
US6317220B1 (en) * 1996-12-06 2001-11-13 Seiko Epson Corporation Image forming apparatus capable of preventing linear nonuniformity and improving image quality
US5966507A (en) * 1997-08-25 1999-10-12 Hewlett-Packard Company Image resolution enhancement technology (IRET) for dual dye-load inkjet printer
US7268920B1 (en) 1999-03-16 2007-09-11 Megadot Systems Limited Halftone patterns
US6382099B1 (en) * 1999-05-17 2002-05-07 Mark L. Herrmann Printing apparatus and method for preventing barring or banding on a printed substrate
JP4198835B2 (ja) * 1999-08-27 2008-12-17 株式会社沖データ 書き込み装置、画像形成装置及びｌｅｄヘッド
US6678425B1 (en) * 1999-12-06 2004-01-13 Xerox Corporation Method and apparatus for decoding angular orientation of lattice codes
US6956670B1 (en) * 2000-10-24 2005-10-18 International Business Machines Corporation Method, system, program, and data structures for halftoning with line screens having different lines per inch (LPI)
EP1237354B1 (de) * 2001-03-01 2013-08-14 Epple Druckfarben AG Druck-Reproduktionsverfahren
US7394570B2 (en) * 2001-03-07 2008-07-01 Esko-Graphics Imaging Gmbh Method and apparatus for eliminating seams in screened image data for repetitive printing
US7492480B2 (en) * 2001-08-27 2009-02-17 Phototype Engraving Company System for halftone screen production
US20030213392A1 (en) * 2002-05-20 2003-11-20 The Procter & Gamble Company Method for improving printing press hygiene
EP1370067B1 (de) * 2002-06-05 2015-01-21 Océ-Technologies B.V. Verfahren und System zur Verarbeitung eines mehrfarbigen Bildes
EP1370066A1 (de) * 2002-06-05 2003-12-10 Océ-Technologies B.V. Verfahren und System zur Verarbeitung eines mehrfarbigen Bildes
JP4100157B2 (ja) * 2002-12-09 2008-06-11 富士ゼロックス株式会社 画像形成装置及び方法
US6945647B2 (en) * 2002-12-20 2005-09-20 Eastman Kodak Company Method for increasing the diameter of an ink jet ink dot
JP2005027109A (ja) * 2003-07-03 2005-01-27 Ricoh Co Ltd カラー画像形成装置およびカラー画像形成方法
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
US7508545B2 (en) * 2004-09-27 2009-03-24 Eastman Kodak Company Color contour detection and correction
JP4440745B2 (ja) * 2004-09-30 2010-03-24 株式会社リコー 画像形成装置
CN1317604C (zh) * 2004-12-20 2007-05-23 北京北大方正电子有限公司 一种用于打印机的线圆形网点的生成方法
ATE404378T1 (de) * 2005-05-03 2008-08-15 Merck Patent Gmbh Verwendung von lasergravierten druckformen
JP4797766B2 (ja) * 2006-04-17 2011-10-19 富士ゼロックス株式会社 画像処理装置、画像形成装置および画像処理方法
US8355179B2 (en) * 2008-03-31 2013-01-15 Wu Judy Wailing Multi-tonal copy evident document methods and products
US20110141525A1 (en) * 2009-12-15 2011-06-16 Ng Yee S Multi-level halftone screens
JP2012100240A (ja) * 2010-03-09 2012-05-24 Ricoh Co Ltd 画像処理装置、及び、画像処理方法
US9578205B2 (en) 2012-12-24 2017-02-21 Megadot Systems Limited Method and system for forming a halftone screen
WO2016085504A1 (en) * 2014-11-26 2016-06-02 Hewlett-Packard Indigo B.V. Rosette-free printing

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Also Published As

Publication number Publication date
KR900007626A (ko) 1990-06-01
CA2001261A1 (en) 1990-05-24
EP0370271A3 (en) 1990-12-12
EP0370271B1 (de) 1996-01-03
JPH02244047A (ja) 1990-09-28
JPH0691621B2 (ja) 1994-11-14
US5055923A (en) 1991-10-08
CN1044348A (zh) 1990-08-01
CA2001261C (en) 1994-11-15
CN1088549C (zh) 2002-07-31
DE68925348T2 (de) 1996-11-14
EP0370271A2 (de) 1990-05-30
KR910007211B1 (ko) 1991-09-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee