BR9404262A - Sistema de impressora com hiperacuidade - Google Patents

Sistema de impressora com hiperacuidade

Info

Publication number
BR9404262A
BR9404262A BR9404262A BR9404262A BR9404262A BR 9404262 A BR9404262 A BR 9404262A BR 9404262 A BR9404262 A BR 9404262A BR 9404262 A BR9404262 A BR 9404262A BR 9404262 A BR9404262 A BR 9404262A
Authority
BR
Brazil
Prior art keywords
printer system
hyperacuity printer
hyperacuity
printer
Prior art date
Application number
BR9404262A
Other languages
English (en)
Inventor
Douglas N Curry
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 BR9404262A publication Critical patent/BR9404262A/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
    • H04N1/405—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color, Gradation (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Electrophotography (AREA)
  • Image Processing (AREA)
  • Fax Reproducing Arrangements (AREA)
BR9404262A 1993-10-28 1994-10-27 Sistema de impressora com hiperacuidade BR9404262A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/144,856 US5485289A (en) 1993-10-28 1993-10-28 Hyperacuity printer architecture

Publications (1)

Publication Number Publication Date
BR9404262A true BR9404262A (pt) 1995-07-04

Family

ID=22510451

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9404262A BR9404262A (pt) 1993-10-28 1994-10-27 Sistema de impressora com hiperacuidade

Country Status (5)

Country Link
US (1) US5485289A (pt)
EP (1) EP0651558A3 (pt)
JP (1) JPH07236059A (pt)
BR (1) BR9404262A (pt)
CA (1) CA2129722C (pt)

Families Citing this family (41)

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CA2128858A1 (en) * 1993-10-28 1995-04-29 Douglas N. Curry Two dimensional linear interpolation with slope output for a hyperacuity printer
US6515769B1 (en) * 1993-10-29 2003-02-04 Canon Kabushiki Kaisha Image forming apparatus and method
JPH07304211A (ja) * 1994-05-13 1995-11-21 Oki Electric Ind Co Ltd カラ−記録方法とその装置
US5537223A (en) * 1994-06-02 1996-07-16 Xerox Corporation Rotating non-rotationally symmetrical halftone dots for encoding embedded data in a hyperacuity printer
JP3319208B2 (ja) * 1995-03-07 2002-08-26 ミノルタ株式会社 デジタル画像形成装置
US5831659A (en) * 1995-04-28 1998-11-03 Eastman Kodak Company Method and apparatus for writing elliptical spots on a thermal media
US5689343A (en) * 1995-05-26 1997-11-18 Xerox Corporation Area mapping employing reference clusters for high quality noninteger resolution conversion with enhancement
JPH0918706A (ja) * 1995-06-28 1997-01-17 Fuji Photo Film Co Ltd マイクロフィルム画像読取装置の制御方法
US5742703A (en) * 1995-10-11 1998-04-21 Xerox Corporation Method and apparatus for the resolution enhancement of gray-scale images that include text and line art
US5917845A (en) * 1996-06-19 1999-06-29 The University Of Rochester Devices that produce a super resolved image for use in optical systems
US5872868A (en) * 1996-10-03 1999-02-16 Xerox Corporation Technique for generating and storing edge phase information for rendering text and lineart in hyperacuity printers
US5937109A (en) * 1996-11-01 1999-08-10 Xerox Corporation Automoire phase error correction for a hyperacuity halftoner
US7768670B1 (en) * 1997-06-19 2010-08-03 Xerox Corporation Method and system for processing and rendering object oriented neutral image data
JP3519257B2 (ja) * 1997-12-19 2004-04-12 シャープ株式会社 画像形成装置
US6181829B1 (en) * 1998-01-21 2001-01-30 Xerox Corporation Method and system for classifying and processing of pixels of image data
US6144461A (en) * 1998-03-23 2000-11-07 Xerox Corporation Method for generating rendering tags to facilitate the printing of antialiased images
US6137918A (en) * 1998-03-23 2000-10-24 Xerox Corporation Memory efficient method and apparatus to enable tagging of thin antialiased lines
US6243499B1 (en) 1998-03-23 2001-06-05 Xerox Corporation Tagging of antialiased images
US6167166A (en) * 1998-03-23 2000-12-26 Xerox Corporation Method to enable the recognition and rendering of antialiased images
US6201560B1 (en) 1998-05-28 2001-03-13 Xerox Corporation Multibeam modulation driver for a hyperacuity printer
US6121983A (en) * 1998-11-19 2000-09-19 Xerox Corporation Method and apparatus for a solid state laser scanning architecture
US6771827B1 (en) 1998-12-23 2004-08-03 Xerox Corporation System and method for directed acuity segmentation resolution compression and decompression
US6346993B1 (en) 1999-02-05 2002-02-12 Xerox Corporation Tone-variation-resistant phase-shiftable halftone screen system and method of using
US6753914B1 (en) 1999-05-26 2004-06-22 Lockheed Martin Corporation Image correction arrangement
US6683702B1 (en) 1999-07-07 2004-01-27 Xerox Corporation Compact-dot reproduction of scanned halftone screens
US6449396B1 (en) 1999-07-07 2002-09-10 Xerox Corporation Compact rendering for processing binary high addressability images
US6608701B1 (en) 1999-07-07 2003-08-19 Xerox Corporation Compact high addressability rendering
JP2001186332A (ja) * 1999-12-27 2001-07-06 Ricoh Co Ltd 画像処理装置、画像処理方法およびその方法をコンピュータに実行させるプログラムを記録したコンピュータ読み取り可能な記録媒体
US6707481B1 (en) 2000-01-19 2004-03-16 Xerox Corporation Light source modulator
US6741751B1 (en) 2000-08-18 2004-05-25 Xerox Corporation Logic based tagging for hyperacuity rendering of an input image with a 5×5 context
US6816269B1 (en) 2000-09-21 2004-11-09 Xerox Corporation Method and apparatus for electronic registration in a binary image path
US7898695B1 (en) 2000-10-06 2011-03-01 Lexmark International, Inc. Method of compensating for electronic printhead skew and bow correction in an imaging machine to reduce print artifacts
US6804418B1 (en) * 2000-11-03 2004-10-12 Eastman Kodak Company Petite size image processing engine
JP3706830B2 (ja) * 2002-01-21 2005-10-19 パナソニック コミュニケーションズ株式会社 画像信号処理装置
US7277201B2 (en) * 2003-05-28 2007-10-02 Xerox Corporation Systems and methods for designing digital anamorphic line screens
KR100644683B1 (ko) * 2005-02-05 2006-11-10 삼성전자주식회사 전자사진방식 인쇄기의 칼라레지스트레이션 보정장치와방법 및 컴퓨터 프로그램을 저장하는 컴퓨터로 읽을 수있는 기록매체
US7518618B2 (en) 2005-12-23 2009-04-14 Xerox Corporation Anti-aliased tagging using look-up table edge pixel identification
US8493623B2 (en) * 2008-10-17 2013-07-23 Eastman Kodak Company Adaptive exposure printing and printing system
US9030516B2 (en) 2009-10-12 2015-05-12 Eastman Kodak Company Printer nonuniformity compensation for halftone screens
US20110235060A1 (en) * 2010-03-29 2011-09-29 Hwai-Tzuu Tai Screened hardcopy reproduction apparatus compensation data calculation
US8482802B2 (en) 2010-03-29 2013-07-09 Eastman Kodak Company Screened hardcopy reproduction apparatus with compensation

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US4004079A (en) * 1975-11-14 1977-01-18 Optronics International, Inc. Method and apparatus for dual resolution photographic reproduction of line and continuous tone graphic materials
JPS5537092A (en) * 1978-09-05 1980-03-14 Ibm Mode switch for setting threshold value
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US4450483A (en) * 1981-09-02 1984-05-22 Westinghouse Electric Corp. Circuit for improving the quality of digitized line images
US4447830A (en) * 1981-09-10 1984-05-08 Xerox Corporation Image scanning apparatus and method
US4437122A (en) * 1981-09-12 1984-03-13 Xerox Corporation Low resolution raster images
US4433346A (en) * 1982-03-31 1984-02-21 Xerox Corporation Raster input scanner
US4622593A (en) * 1984-05-29 1986-11-11 Xerox Corporation Polygon signature correction
US4639789A (en) * 1984-05-29 1987-01-27 Xerox Corporation Raster scanner variable-frequency clock circuit
US4860237A (en) * 1984-08-03 1989-08-22 Xerox Corporation Scan linearity correction
US4583128A (en) * 1984-08-27 1986-04-15 Minnesota Mining And Manufacturing Company Continuous tone recording system incorporating feedback control circuit
JP2557828B2 (ja) * 1985-09-11 1996-11-27 株式会社東芝 画像処理システム
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US4766560A (en) * 1985-12-23 1988-08-23 Xerox Corporation Parallel/pipelined arithmetic variable clock frequency synthesizer
US4847641A (en) * 1988-08-16 1989-07-11 Hewlett-Packard Company Piece-wise print image enhancement for dot matrix printers
DE68927970T2 (de) * 1988-09-08 1997-10-09 Canon Kk Punktbilddatenausgabegerät
EP0358815B1 (en) * 1988-09-12 1993-05-26 Océ-Nederland B.V. System and method for automatic segmentation
JP2774521B2 (ja) * 1988-09-14 1998-07-09 キヤノン株式会社 レーザ記録装置
JPH06101799B2 (ja) * 1988-10-28 1994-12-12 富士ゼロックス株式会社 画像形成装置のグレイバランス制御方式
US4935891A (en) * 1988-12-22 1990-06-19 Xerox Corporation Pseudo-random phase shifted arithmetic bit clock generators for digital printers
US4893136A (en) * 1988-12-22 1990-01-09 Xerox Corporation Arithmetically computed motor hunt compensation for flying spot scanners
US5229760A (en) * 1990-06-28 1993-07-20 Xerox Corporation Arithmetic technique for variable resolution printing in a ros
JPH04219073A (ja) * 1990-10-11 1992-08-10 Ricoh Co Ltd 画像記録装置
US5185852A (en) * 1991-05-31 1993-02-09 Digital Equipment Corporation Antialiasing apparatus and method for computer printers
US5138339A (en) * 1991-07-29 1992-08-11 Xerox Corporation Microaddressability via overscanned illumination for optical printers and the like having high gamma photosensitive recording media
US5367381A (en) * 1991-07-29 1994-11-22 Xerox Corporation Method and apparatus for enhanced resolution and contrast via super intensity controlled overscanned illumination in a two dimensional high addressability printer
US5235432A (en) * 1991-11-22 1993-08-10 Creedon Brendan G Video-to-facsimile signal converter
US5237432A (en) * 1991-12-23 1993-08-17 Xerox Corporation Image scaling apparatus
US5249242A (en) * 1991-12-23 1993-09-28 Adobe Systems Incorporated Method for enhancing raster pixel data
US5274472A (en) * 1992-05-21 1993-12-28 Xerox Corporation High addressability image generator using pseudo interpolation of video and screen data
US5200831A (en) * 1992-06-05 1993-04-06 Eastman Kodak Company Method and arrangement for locally switching gray dot types to reproduce an image with gray level printing
US5216443A (en) * 1992-06-12 1993-06-01 Xerox Corporation Programmable intensity smart laser system capable of being fabricated on a semiconductive substrate
US5233367A (en) * 1992-09-18 1993-08-03 Xerox Corporation Multiple beam interlaced scanning system
US5410414A (en) * 1993-10-28 1995-04-25 Xerox Corporation Halftoning in a hyperacuity printer

Also Published As

Publication number Publication date
JPH07236059A (ja) 1995-09-05
EP0651558A3 (en) 1995-09-13
CA2129722C (en) 2000-01-11
CA2129722A1 (en) 1995-04-29
US5485289A (en) 1996-01-16
EP0651558A2 (en) 1995-05-03

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Legal Events

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

Free format text: INT. CL. 7 H04N 1/10

FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 13A,14A E 15A ANUIDADES.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 2059 DE 22/06/2010 E AO NAO RECOLHIMENTO DA 16A, 17A, 18A E 19A ANUIDADES.