DE69841056D1 - Drucker mit Progressivspalten- und Fehlerdiffusionsystem und Verfahren zu dessen Verwendung zur Verbesserung des Durchsatzes des Druckers - Google Patents

Drucker mit Progressivspalten- und Fehlerdiffusionsystem und Verfahren zu dessen Verwendung zur Verbesserung des Durchsatzes des Druckers

Info

Publication number
DE69841056D1
DE69841056D1 DE69841056T DE69841056T DE69841056D1 DE 69841056 D1 DE69841056 D1 DE 69841056D1 DE 69841056 T DE69841056 T DE 69841056T DE 69841056 T DE69841056 T DE 69841056T DE 69841056 D1 DE69841056 D1 DE 69841056D1
Authority
DE
Germany
Prior art keywords
printer
throughput
improve
same
error diffusion
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
DE69841056T
Other languages
English (en)
Inventor
Kirkpatrick W Norton
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.)
Hewlett Packard Development Co LP
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69841056D1 publication Critical patent/DE69841056D1/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
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4051—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size
    • H04N1/4052—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size by error diffusion, i.e. transferring the binarising error to neighbouring dot decisions
DE69841056T 1998-04-30 1998-11-13 Drucker mit Progressivspalten- und Fehlerdiffusionsystem und Verfahren zu dessen Verwendung zur Verbesserung des Durchsatzes des Druckers Expired - Lifetime DE69841056D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/070,552 US6014227A (en) 1998-04-30 1998-04-30 Printer with progressive column error diffusion system and method of using same for improved printer throughput

Publications (1)

Publication Number Publication Date
DE69841056D1 true DE69841056D1 (de) 2009-09-24

Family

ID=22095992

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69841056T Expired - Lifetime DE69841056D1 (de) 1998-04-30 1998-11-13 Drucker mit Progressivspalten- und Fehlerdiffusionsystem und Verfahren zu dessen Verwendung zur Verbesserung des Durchsatzes des Druckers

Country Status (4)

Country Link
US (1) US6014227A (de)
EP (1) EP0954164B1 (de)
JP (1) JP3687772B2 (de)
DE (1) DE69841056D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19736900B4 (de) * 1997-08-25 2006-02-16 Telefonaktiebolaget Lm Ericsson (Publ) Leitungsempfängerschaltkreis mit großem Gleichtaktspannungsbereich für differentielle Eingangssignale
US7319549B2 (en) 2003-03-27 2008-01-15 Lexmark International, Inc. Multiple weight error diffusion
TWI227403B (en) * 2003-11-14 2005-02-01 Ind Tech Res Inst Method for implementing error diffusion process with memory management
US7333243B2 (en) * 2003-12-17 2008-02-19 Lexmark International, Inc Calculating error diffusion errors to minimize memory accesses
CN1326384C (zh) * 2005-04-07 2007-07-11 北京北大方正电子有限公司 一种产生调频网点的方法和装置
CN100435548C (zh) * 2006-09-15 2008-11-19 北京大学 一种能够同时产生多位调频网点的方法及装置
EP1912423A1 (de) * 2006-10-11 2008-04-16 Hewlett-Packard Development Company, L.P. Fehlerdiffusion auf der Basis der Farbtrennung und Halbtonverfahren nach Küppers
JP4989378B2 (ja) * 2007-09-03 2012-08-01 キヤノン株式会社 画像処理方法及び記録装置

Family Cites Families (28)

* Cited by examiner, † Cited by third party
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US4958236A (en) * 1987-06-11 1990-09-18 Canon Kabushiki Kaisha Image processing method and apparatus therefor
US5150429A (en) * 1987-12-17 1992-09-22 Eastman Kodak Company Image processor with error diffusion modulated threshold matrix
US5111302A (en) * 1988-12-02 1992-05-05 Hewlett-Packard Company Method and system for enhancing the quality of both color and black and white images produced by ink jet and electrophotographic printers
US4930018A (en) * 1988-12-02 1990-05-29 Hewlett-Packard Company Method and system for enhancing the quality of both color and black and white images produced by ink jet printers
US5121447A (en) * 1989-04-27 1992-06-09 Canon Kabushiki Kaisha Apparatus for performing gradation processing on image data
US5031050A (en) * 1990-02-26 1991-07-09 Hewlett-Packard Company Method and system for reproducing monochromatic and color images using ordered dither and error diffusion
EP0450853B1 (de) * 1990-03-27 1998-07-22 Canon Kabushiki Kaisha Farbbildkommunikationsgerät und Methode
US5140432A (en) * 1990-09-12 1992-08-18 Hewlett-Packard Company Method and system for printing in one or more color planes with improved control of error diffusion
US5172247A (en) * 1990-10-24 1992-12-15 Eastman Kodak Company High speed digital error diffusion process for continuous tone image-to-binary image conversion
US5268774A (en) * 1991-11-27 1993-12-07 Xerox Corporation Halftoning with enhanced dynamic range and edge enhanced error diffusion
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
US5377024A (en) * 1992-05-04 1994-12-27 Hewlett-Packard Apparatus for forming color images using a hue-plus-gray color model
US5333243A (en) * 1992-05-04 1994-07-26 Hewlett-Packard Company Method for forming color images, using a hue-plus-gray color model and error diffusion
US5337160A (en) * 1992-07-01 1994-08-09 Hewlett-Packard Error diffusion processor and method for converting a grey scale pixel image to a binary value pixel image
US5271070A (en) * 1992-11-06 1993-12-14 Xerox Corporation Multi-dimensional error diffusion technique
US5325211A (en) * 1993-01-04 1994-06-28 Xerox Corporation Error diffusion with output and input based feedback
US5553165A (en) * 1993-01-11 1996-09-03 Canon, Inc. Parallel error diffusion method and apparatus
US5506699A (en) * 1993-04-27 1996-04-09 Wong; Ping W. Method and apparatus for converting a halftone image into a continuous tone image
US5508826A (en) * 1993-04-27 1996-04-16 Lloyd; William J. Method and apparatus for calibrated digital printing using a four by four transformation matrix
US5313287A (en) * 1993-04-30 1994-05-17 Hewlett-Packard Company Imposed weight matrix error diffusion halftoning of image data
US5621545A (en) * 1993-12-08 1997-04-15 Motta; Ricardo J. Image production using color error diffusion
US5704021A (en) * 1994-01-27 1997-12-30 Hewlett-Packard Company Adaptive color rendering by an inkjet printer based on object type
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
US5579446A (en) * 1994-01-27 1996-11-26 Hewlett-Packard Company Manual/automatic user option for color printing of different types of objects
US5619622A (en) * 1994-12-16 1997-04-08 Xerox Corporation Raster output interface for a printbar
US5847724A (en) * 1995-12-28 1998-12-08 Xerox Corporation Method for diffusing errors according to spot size in a printed liquid ink image
US5946455A (en) * 1997-10-02 1999-08-31 International Business Machines Corporation Model based error diffusion with correction propagation

Also Published As

Publication number Publication date
JPH11355596A (ja) 1999-12-24
EP0954164A3 (de) 2003-12-17
EP0954164B1 (de) 2009-08-12
EP0954164A2 (de) 1999-11-03
US6014227A (en) 2000-01-11
JP3687772B2 (ja) 2005-08-24

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., HOU, US

8328 Change in the person/name/address of the agent

Representative=s name: SCHOPPE, ZIMMERMANN, STOECKELER & ZINKLER, 82049 P

8364 No opposition during term of opposition