BR9303718A - Processo de reproducao de imagem em uma impressora,impressora,sistema de exploracao e sistema formador de imagem - Google Patents

Processo de reproducao de imagem em uma impressora,impressora,sistema de exploracao e sistema formador de imagem

Info

Publication number
BR9303718A
BR9303718A BR9303718A BR9303718A BR9303718A BR 9303718 A BR9303718 A BR 9303718A BR 9303718 A BR9303718 A BR 9303718A BR 9303718 A BR9303718 A BR 9303718A BR 9303718 A BR9303718 A BR 9303718A
Authority
BR
Brazil
Prior art keywords
printer
image
formating
reproduction process
exploration
Prior art date
Application number
BR9303718A
Other languages
English (en)
Inventor
Louis D Mailloux
Brendan C Casey
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of BR9303718A publication Critical patent/BR9303718A/pt

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
    • H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
    • H04N1/40037—Circuits exciting or modulating particular heads for reproducing continuous tone value scales the reproducing element being a laser
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1204—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers involving the fast moving of an optical beam in the main scanning direction
    • G06K15/1223—Resolution control, enlarging or reducing, edge or detail enhancement
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
    • G06K2215/0002—Handling the output data
    • G06K2215/0062—Handling the output data combining generic and host data, e.g. filling a raster
    • G06K2215/0071—Post-treatment of the composed image, e.g. compression, rotation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
    • G06K2215/0002—Handling the output data
    • G06K2215/0077—Raster outputting to the print element(s)

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Laser Beam Printer (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Facsimile Scanning Arrangements (AREA)
BR9303718A 1992-09-08 1993-09-06 Processo de reproducao de imagem em uma impressora,impressora,sistema de exploracao e sistema formador de imagem BR9303718A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/941,828 US5408329A (en) 1992-09-08 1992-09-08 Image enhancement through digital darkness control

Publications (1)

Publication Number Publication Date
BR9303718A true BR9303718A (pt) 1994-03-22

Family

ID=25477138

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9303718A BR9303718A (pt) 1992-09-08 1993-09-06 Processo de reproducao de imagem em uma impressora,impressora,sistema de exploracao e sistema formador de imagem

Country Status (4)

Country Link
US (1) US5408329A (pt)
JP (1) JP2599554B2 (pt)
BR (1) BR9303718A (pt)
MX (1) MX9305335A (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7382929B2 (en) * 1989-05-22 2008-06-03 Pixel Instruments Corporation Spatial scan replication circuit
US5546165A (en) * 1994-10-05 1996-08-13 Eastman Kodak Company Scanner as test print densitometer for compensating overall process drift and nonuniformity
US5666470A (en) * 1995-06-29 1997-09-09 Xerox Corporation Method and apparatus for appearance tuning of bitmap images
US5687297A (en) * 1995-06-29 1997-11-11 Xerox Corporation Multifunctional apparatus for appearance tuning and resolution reconstruction of digital images
US5835123A (en) * 1995-11-27 1998-11-10 Hewlett-Packard Company Dot enhancement for laser imagers
US5818504A (en) * 1995-11-27 1998-10-06 Hewlett-Packard Company Adjustment of dot size for laser imagers
US5659399A (en) * 1995-11-30 1997-08-19 Xerox Corporation Method for controlling compact dot growth
US5815187A (en) * 1996-01-11 1998-09-29 Xante Corporation Method for improving the dimensional accuracy of laser printers
US6266153B1 (en) 1998-05-12 2001-07-24 Xerox Corporation Image forming device having a reduced toner consumption mode
JP2000010049A (ja) * 1998-06-25 2000-01-14 Matsushita Electric Ind Co Ltd 画像印刷装置
JP3898864B2 (ja) * 1999-12-22 2007-03-28 メディアテック インコーポレイテッド 画像変換方式、画像処理装置、および画像表示装置
US7406210B2 (en) * 2004-06-28 2008-07-29 Xerox Corporation Darkness control using pattern matching
US8208175B2 (en) * 2005-04-13 2012-06-26 Xerox Corporation Blended error diffusion and adaptive quantization
US8289574B2 (en) * 2009-09-02 2012-10-16 Xerox Corporation Method and system for controlling darkening of image data

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4450483A (en) * 1981-09-02 1984-05-22 Westinghouse Electric Corp. Circuit for improving the quality of digitized line images
US4437122A (en) * 1981-09-12 1984-03-13 Xerox Corporation Low resolution raster images
US4633327A (en) * 1983-11-10 1986-12-30 Xerox Corporation Enhancement halftoning
DE3752330T2 (de) * 1986-02-14 2001-10-31 Canon Kk Bildverarbeitungsvorrichtung
US4686542A (en) * 1986-04-03 1987-08-11 Xerox Corporation High speed, high resolution raster output scanner
US4680645A (en) * 1986-08-25 1987-07-14 Hewlett-Packard Company Method for rendering gray scale images with variable dot sizes
US4847641A (en) * 1988-08-16 1989-07-11 Hewlett-Packard Company Piece-wise print image enhancement for dot matrix printers
US4970554A (en) * 1988-10-24 1990-11-13 Xerox Corporation Job processing system for high speed electronic copying/printing machines
US5045952A (en) * 1989-08-21 1991-09-03 Xerox Corporation Method for edge enhanced error diffusion
JPH03173661A (ja) * 1989-12-04 1991-07-26 Canon Inc 画像形成装置
JPH03220867A (ja) * 1990-01-26 1991-09-30 Canon Inc 画像処理装置
US5299308A (en) * 1990-02-28 1994-03-29 Ricoh Company, Ltd. Graphic data processing apparatus for producing a tone for an edge pixel and reducing aliasing effects
US5050000A (en) * 1990-05-21 1991-09-17 Eastman Kodak Company Error diffusion of subcells in digital halftoning
US5081494A (en) * 1990-06-15 1992-01-14 Xerox Corporation Job supplement for electronic printing machines
US5258775A (en) * 1992-06-15 1993-11-02 Xerox Corporation Motion correction through image enhancement

Also Published As

Publication number Publication date
US5408329A (en) 1995-04-18
JP2599554B2 (ja) 1997-04-09
MX9305335A (es) 1994-08-31
JPH06152958A (ja) 1994-05-31

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
HO Change of classification

Free format text: G02B 26/12, G03G 15/28

FA8 Dismissal: dismissal - article 36, par. 1 of industrial property law