DE69710234D1 - Verfahren zum Verbessern der Druckqualität von Druckern mit wenigstens einer höheren Auflösung in einer Richtung - Google Patents

Verfahren zum Verbessern der Druckqualität von Druckern mit wenigstens einer höheren Auflösung in einer Richtung

Info

Publication number
DE69710234D1
DE69710234D1 DE69710234T DE69710234T DE69710234D1 DE 69710234 D1 DE69710234 D1 DE 69710234D1 DE 69710234 T DE69710234 T DE 69710234T DE 69710234 T DE69710234 T DE 69710234T DE 69710234 D1 DE69710234 D1 DE 69710234D1
Authority
DE
Germany
Prior art keywords
printers
improving
higher resolution
print quality
print
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 - Lifetime
Application number
DE69710234T
Other languages
English (en)
Other versions
DE69710234T2 (de
Inventor
Brian W Damon
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.)
Lexmark International Inc
Original Assignee
Lexmark International 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
Application filed by Lexmark International Inc filed Critical Lexmark International Inc
Publication of DE69710234D1 publication Critical patent/DE69710234D1/de
Application granted granted Critical
Publication of DE69710234T2 publication Critical patent/DE69710234T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04N1/40—Picture signal circuits
    • H04N1/40081—Soft dot halftoning, i.e. producing halftone dots with gradual edges
    • 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)
  • Color, Gradation (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Dot-Matrix Printers And Others (AREA)
DE69710234T 1996-03-12 1997-03-12 Verfahren zum Verbessern der Druckqualität von Druckern mit wenigstens einer höheren Auflösung in einer Richtung Expired - Lifetime DE69710234T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/614,086 US5751470A (en) 1996-03-12 1996-03-12 Method for enhanced print quality on print engines with at least one high resolution dimension

Publications (2)

Publication Number Publication Date
DE69710234D1 true DE69710234D1 (de) 2002-03-21
DE69710234T2 DE69710234T2 (de) 2002-08-14

Family

ID=24459807

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69710234T Expired - Lifetime DE69710234T2 (de) 1996-03-12 1997-03-12 Verfahren zum Verbessern der Druckqualität von Druckern mit wenigstens einer höheren Auflösung in einer Richtung

Country Status (5)

Country Link
US (1) US5751470A (de)
EP (1) EP0796002B1 (de)
JP (1) JPH1081037A (de)
AU (1) AU710606B2 (de)
DE (1) DE69710234T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5937147A (en) * 1996-09-03 1999-08-10 Eastman Kodak Company Printing of enhanced images
US6025865A (en) * 1996-09-10 2000-02-15 Mitsubishi Chemical America Variable color intensity laser printing
US6356291B1 (en) 1998-11-06 2002-03-12 International Business Machines Corp. Method and apparatus for providing print quality enhancement
EP0999522B1 (de) * 1998-11-06 2008-04-09 Canon Kabushiki Kaisha Bildverarbeitungsverfahren, -system und -gerät, und Speichermedium
US6760119B1 (en) 1999-05-25 2004-07-06 Silverbrook Research Pty Ltd Relay device
US6624911B1 (en) 1999-11-17 2003-09-23 Lexmark International, Inc. Method and apparatus for correcting unadjusted threshold arrays for halftoning by use of transfer function tables
US7064859B1 (en) 2000-03-27 2006-06-20 International Business Machines Corporation Method, system, program, and data structure for producing a look-up table to enhance print quality
US6975428B1 (en) 2000-03-27 2005-12-13 International Business Machines Corporation Method, system, and program for reducing toner usage in print output
US6975427B1 (en) 2000-03-27 2005-12-13 International Business Machines Corporation Method, system, and program for using look-up tables to filter raster data
US7170639B1 (en) * 2000-05-16 2007-01-30 International Business Machines Corporation Halftone method and apparatus that provides simultaneous, multiple lines per inch screens
US7835034B1 (en) 2000-05-16 2010-11-16 Infoprint Solutions Company, Llc Halftone method and apparatus that provides a line screen frequency of N/2 for a printer resolution of N dots per inch without negative print effects
US6476844B1 (en) 2000-10-12 2002-11-05 Lexmark International, Inc. Method and apparatus for electrophotographic laser video modulation and decode for spot fidelity
US7059698B1 (en) 2002-10-04 2006-06-13 Lexmark International, Inc. Method of altering an effective print resolution of an ink jet printer
US7345790B2 (en) * 2003-01-21 2008-03-18 Dittrich Danielle K Method and apparatus for simulating 2 bit-per-pel printing on a bi-level printer using intelligent double dotting
US20040190786A1 (en) * 2003-03-24 2004-09-30 Khageshwar Thakur Method of image enhancement for an imaging apparatus
US7551298B2 (en) * 2004-06-04 2009-06-23 Primax Electronics Ltd. Print control device with embedded engine simulation module and test method thereof
JP4375167B2 (ja) 2004-08-27 2009-12-02 コニカミノルタホールディングス株式会社 画像形成装置、画像形成方法及び画像形成プログラム
JP4428206B2 (ja) * 2004-11-10 2010-03-10 コニカミノルタホールディングス株式会社 画像形成装置、画像形成方法及び画像形成プログラム
US8351062B2 (en) 2007-02-26 2013-01-08 Marvell World Trade Ltd. Bit selection from print image in memory of handheld image translation device
CN106739539A (zh) * 2016-11-28 2017-05-31 广西大学 一种零件打标机编号方法及其装置

Family Cites Families (25)

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Publication number Priority date Publication date Assignee Title
DE3609252A1 (de) * 1985-03-20 1986-10-02 Canon K.K., Tokio/Tokyo Verfahren und vorrichtung zur bildreproduktion
DE3612248C2 (de) * 1985-05-09 1995-04-13 Cons Paper Inc Streicheinrichtung
GB2175625B (en) * 1985-05-31 1988-08-24 Cd Truline Ltd Improvements in or relating to formers
US4816863A (en) * 1986-11-25 1989-03-28 E. I. Du Pont De Nemours And Company Exposure control system for continuous tone electrophotographic film
JPH01264076A (ja) * 1988-04-14 1989-10-20 Dainippon Screen Mfg Co Ltd 分割露光化網点画像記録装置
US4868587A (en) * 1988-05-20 1989-09-19 Xerox Corporation Image halftoning system for printers
US4924301A (en) * 1988-11-08 1990-05-08 Seecolor Corporation Apparatus and methods for digital halftoning
US5245355A (en) * 1989-12-18 1993-09-14 Eastman Kodak Company Method and apparatus for grey level printing with amplitude and pulsewidth modulation
US5109283A (en) * 1990-03-02 1992-04-28 Xerographic Laser Images Corporation Raster scanning engine driver which independently locates engine drive signal transistors within each cell area
US5134495A (en) * 1990-11-07 1992-07-28 Dp-Tek, Inc. Resolution transforming raster-based imaging system
US5170261A (en) * 1990-11-21 1992-12-08 Polaroid Corporation Printing method
US5185852A (en) * 1991-05-31 1993-02-09 Digital Equipment Corporation Antialiasing apparatus and method for computer printers
US5467422A (en) * 1991-08-13 1995-11-14 Konica Corporation Image forming apparatus with neighboring pixel processing
JPH05246080A (ja) * 1992-03-05 1993-09-24 Canon Inc 画像形成装置
US5455681A (en) * 1992-11-16 1995-10-03 Eastman Kodak Company Low resolution grey level printing method from high resolution binary input file
US5479263A (en) * 1993-07-01 1995-12-26 Xerox Corporation Gray pixel halftone encoder
US5387985A (en) * 1993-12-17 1995-02-07 Xerox Corporation Non-integer image resolution conversion using statistically generated look-up tables
US5359423A (en) * 1993-12-17 1994-10-25 Xerox Corporation Method for statistical generation of density preserving templates for print enhancement
DE69520703T2 (de) * 1994-03-02 2001-08-02 Hewlett-Packard Co. (N.D.Ges.D.Staates Delaware), Palo Alto Erzeugung von Mehrfachtonbildern
DE69521638T2 (de) * 1994-03-02 2001-10-25 Hewlett-Packard Co. (N.D.Ges.D.Staates Delaware), Palo Alto Erzeugung von Mehrfachtonbildern
DE69418037T2 (de) * 1994-08-02 1999-08-26 Consorzio Per La Ricerca Sulla Microelettronica Ne Leistungshalbleitervorrichtung aus MOS-Technology-Chips und Gehäuseaufbau
US5528384A (en) * 1994-08-03 1996-06-18 Xerox Corporation System and method for implementing fast high addressability error diffusion process
US5535307A (en) * 1994-08-16 1996-07-09 Hewlett-Packard Company Printing of variable dot sizes dependent upon image density for improved graphics
US5426519A (en) * 1994-08-25 1995-06-20 Xerox Corporation Method and apparatus for implementing accurate angle screens
US5631746A (en) * 1994-11-15 1997-05-20 Lexmark International, Inc. High resolution simulation printing by printing adjoining pels

Also Published As

Publication number Publication date
EP0796002A1 (de) 1997-09-17
JPH1081037A (ja) 1998-03-31
AU1518697A (en) 1997-09-18
DE69710234T2 (de) 2002-08-14
US5751470A (en) 1998-05-12
EP0796002B1 (de) 2002-02-06
AU710606B2 (en) 1999-09-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition