DE60141447D1 - Druckbildverbesserung in xerographischem Druck unter Verwendung einer LED-Matrix - Google Patents

Druckbildverbesserung in xerographischem Druck unter Verwendung einer LED-Matrix

Info

Publication number
DE60141447D1
DE60141447D1 DE60141447T DE60141447T DE60141447D1 DE 60141447 D1 DE60141447 D1 DE 60141447D1 DE 60141447 T DE60141447 T DE 60141447T DE 60141447 T DE60141447 T DE 60141447T DE 60141447 D1 DE60141447 D1 DE 60141447D1
Authority
DE
Germany
Prior art keywords
print image
image enhancement
led matrix
xerographic printing
xerographic
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
DE60141447T
Other languages
English (en)
Inventor
Martin E Banton
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.)
Xerox Corp
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
Application granted granted Critical
Publication of DE60141447D1 publication Critical patent/DE60141447D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G06K15/1238—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 simultaneously exposing more than one point
    • G06K15/1242—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 simultaneously exposing more than one point on one main scanning line
    • G06K15/1247—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 simultaneously exposing more than one point on one main scanning line using an array of light sources, e.g. a linear array

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Color, Gradation (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
DE60141447T 2000-12-06 2001-12-04 Druckbildverbesserung in xerographischem Druck unter Verwendung einer LED-Matrix Expired - Lifetime DE60141447D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/731,120 US6985627B2 (en) 2000-12-06 2000-12-06 LED bar array high addressable imaging in 2-dimensions

Publications (1)

Publication Number Publication Date
DE60141447D1 true DE60141447D1 (de) 2010-04-15

Family

ID=24938145

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60141447T Expired - Lifetime DE60141447D1 (de) 2000-12-06 2001-12-04 Druckbildverbesserung in xerographischem Druck unter Verwendung einer LED-Matrix

Country Status (4)

Country Link
US (1) US6985627B2 (de)
EP (1) EP1213682B1 (de)
JP (1) JP2002234208A (de)
DE (1) DE60141447D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7236272B2 (en) * 2001-08-03 2007-06-26 Transpacific Ip, Ltd. Compensation apparatus for image scan
US7957007B2 (en) * 2006-05-17 2011-06-07 Mitsubishi Electric Research Laboratories, Inc. Apparatus and method for illuminating a scene with multiplexed illumination for motion capture
US9347642B2 (en) 2011-09-07 2016-05-24 Terralux, Inc. Faceted optics for illumination devices
US9470406B2 (en) 2012-09-24 2016-10-18 Terralux, Inc. Variable-beam light source and related methods
CA2917772A1 (en) 2013-07-09 2015-01-15 Terralux, Inc. Variable-beam light source and related methods
US10072819B2 (en) 2014-10-02 2018-09-11 Ledvance Llc Light source for uniform illumination of a surface
US10036535B2 (en) 2014-11-03 2018-07-31 Ledvance Llc Illumination device with adjustable curved reflector portions
US10405388B2 (en) 2014-12-11 2019-09-03 Ledvance Llc Variable-beam light source with mixing chamber

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5027158A (en) * 1987-12-18 1991-06-25 Colorocs Corporation Vertical print engine for electrophotographic apparatus
US5023632A (en) * 1987-12-23 1991-06-11 Matsushita Electric Industrial Co., Ltd. Electrophotographic image forming method
US5131053A (en) * 1988-08-10 1992-07-14 Caere Corporation Optical character recognition method and apparatus
US4970554A (en) * 1988-10-24 1990-11-13 Xerox Corporation Job processing system for high speed electronic copying/printing machines
US5053818A (en) * 1990-12-19 1991-10-01 Xerox Corporation Method and apparatus for copying semi-transparent originals using a black backing member
JP2866758B2 (ja) 1991-07-05 1999-03-08 沖電気工業株式会社 ノンインパクトプリンタ
US5430472A (en) 1991-07-29 1995-07-04 Xerox Corporation Method and apparatus for eliminating distortion via overscanned illumination for optical printers and the like having high gamma photosensitive recording media and high addressability
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
US5274472A (en) 1992-05-21 1993-12-28 Xerox Corporation High addressability image generator using pseudo interpolation of video and screen data
US5455681A (en) 1992-11-16 1995-10-03 Eastman Kodak Company Low resolution grey level printing method from high resolution binary input file
US5327524A (en) 1992-12-28 1994-07-05 Eastman Kodak Company Electrophotographic recording with multiple-bit grey level LED printhead with enhanced addressability
JPH0789128A (ja) 1993-07-30 1995-04-04 Kyocera Corp Ｌｅｄプリンタにおける高密度画像形成方法
US5774165A (en) 1994-09-22 1998-06-30 Oki Electric Industry Co., Ltd. Light emission intensity width compensating method of LED print head and apparatus thereof
US5623714A (en) * 1994-11-23 1997-04-22 Xerox Corporation Automatic exposure correction using current sensing technology
US5606648A (en) 1994-12-08 1997-02-25 Xerox Corporation Apparatus and method for modulating image signals in a high addressability printing machine
US5900901A (en) * 1995-06-05 1999-05-04 Xerox Corporation Method and apparatus for compensating for raster position errors in output scanners
JP3082645B2 (ja) 1995-10-20 2000-08-28 富士ゼロックス株式会社 画像形成装置
US5659399A (en) * 1995-11-30 1997-08-19 Xerox Corporation Method for controlling compact dot growth
US5748330A (en) * 1997-05-05 1998-05-05 Xerox Corporation Method of calibrating a digital printer using component test patches and the yule-nielsen equation
US5920683A (en) 1997-06-27 1999-07-06 Xerox Corporation Image enhancement system for high addressability printing
US6452696B1 (en) * 1998-05-01 2002-09-17 Zbe Incorporated Method and apparatus for controlling multiple light sources in a digital printer
US6538677B1 (en) * 2000-05-17 2003-03-25 Heidelberger Druckmaschinen Ag Apparatus and method for gray level printing

Also Published As

Publication number Publication date
JP2002234208A (ja) 2002-08-20
EP1213682A2 (de) 2002-06-12
EP1213682A3 (de) 2004-01-07
US20020067512A1 (en) 2002-06-06
EP1213682B1 (de) 2010-03-03
US6985627B2 (en) 2006-01-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition