CA2216348A1 - Printing black and white reproducible color documents - Google Patents

Printing black and white reproducible color documents

Info

Publication number
CA2216348A1
CA2216348A1 CA002216348A CA2216348A CA2216348A1 CA 2216348 A1 CA2216348 A1 CA 2216348A1 CA 002216348 A CA002216348 A CA 002216348A CA 2216348 A CA2216348 A CA 2216348A CA 2216348 A1 CA2216348 A1 CA 2216348A1
Authority
CA
Canada
Prior art keywords
colors
white
color
printing black
reproducible color
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.)
Granted
Application number
CA002216348A
Other languages
French (fr)
Other versions
CA2216348C (en
Inventor
Steven J. Harrington
Jean A. Taber
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
Publication of CA2216348A1 publication Critical patent/CA2216348A1/en
Application granted granted Critical
Publication of CA2216348C publication Critical patent/CA2216348C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N1/23—Reproducing arrangements
    • H04N1/2307—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity
    • 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
    • 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
    • H04N1/40012—Conversion of colour to monochrome

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
  • Color, Gradation (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Record Information Processing For Printing (AREA)

Abstract

A color image is reproduced with a set of colors wherein each color is defined in terms of a pattern block. Pattern blocks include a pattern using the color to be reproduced and white in density-related combinations so that the luminance difference between the color and white can be retained when copied or printed with a black printer. The patterns add among colors thus allowing combination colors to be represented in terms of added patterns of colors represented in black as distinct patterns.
CA002216348A 1996-10-02 1997-09-23 Printing black and white reproducible color documents Expired - Fee Related CA2216348C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/720,654 1996-10-02
US08/720,654 US5701401A (en) 1996-10-02 1996-10-02 Printing black and white reproducible color documents

Publications (2)

Publication Number Publication Date
CA2216348A1 true CA2216348A1 (en) 1998-04-02
CA2216348C CA2216348C (en) 2002-09-10

Family

ID=24894812

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002216348A Expired - Fee Related CA2216348C (en) 1996-10-02 1997-09-23 Printing black and white reproducible color documents

Country Status (6)

Country Link
US (1) US5701401A (en)
EP (1) EP0835024B1 (en)
JP (1) JPH10114111A (en)
BR (1) BR9704960A (en)
CA (1) CA2216348C (en)
DE (1) DE69733236T2 (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09163073A (en) * 1995-12-07 1997-06-20 Brother Ind Ltd Color image reader
US6179485B1 (en) * 1996-11-18 2001-01-30 Xerox Corporation Printing black and white reproducible colored stroke documents
US6252580B1 (en) 1998-07-09 2001-06-26 Xerox Corporation Mapping highlight colors to black-and-white textures
JP2001016459A (en) * 1999-06-28 2001-01-19 Riso Kagaku Corp Method and device for printing black/white picture based on color picture information
US6760123B1 (en) * 1999-11-29 2004-07-06 Xerox Corporation Method and system for mapping color to texture in a copier
US6757078B1 (en) 2000-09-12 2004-06-29 Xerox Corporation Pattern rendering system and method
US7009739B1 (en) 2000-10-30 2006-03-07 Xerox Corporation Color to black and white converter
US7453468B2 (en) * 2000-11-29 2008-11-18 Xerox Corporation Intelligent color to texture converter
US7480070B2 (en) * 2001-11-20 2009-01-20 Electronics For Imaging, Inc. Spot color pattern system
US7003166B2 (en) * 2002-01-29 2006-02-21 Eastman Kodak Company Method of encoding data in a monochrome media
US7177476B2 (en) * 2002-02-28 2007-02-13 Eastman Kodak Company Method of decoding data encoded in a monochrome medium
JP3898075B2 (en) * 2002-03-18 2007-03-28 株式会社リコー Image processing apparatus, image processing method, and recording medium
US8537417B2 (en) * 2003-09-25 2013-09-17 Xerox Corporation Method for improved printer characterization
US7382915B2 (en) * 2004-03-16 2008-06-03 Xerox Corporation Color to grayscale conversion method and apparatus
US7502135B2 (en) * 2005-09-08 2009-03-10 The Go Daddy Group, Inc. Document color and shades of gray optimization using dithered monochrome surfaces
US7777917B2 (en) * 2005-09-08 2010-08-17 The Go Daddy Group, Inc. Document color and shades of gray optimization using solid monochrome colors
US8179565B2 (en) * 2005-09-08 2012-05-15 Go Daddy Operating Company, LLC Document color and shades of gray optimization using outlining
US8115977B2 (en) * 2005-09-08 2012-02-14 Go Daddy Operating Company, LLC Document color and shades of gray optimization using monochrome patterns
US7952753B2 (en) * 2006-09-11 2011-05-31 Xerox Corporation System and method for replacing binary level masks in a page description
KR101184899B1 (en) * 2006-12-07 2012-09-20 삼성전자주식회사 Image processing apparatus and image processing method
JP4529990B2 (en) * 2007-03-30 2010-08-25 ブラザー工業株式会社 Image processing program and image processing apparatus
TWI419546B (en) * 2010-10-05 2013-12-11 Avision Inc Multi-function peripheral and method of generating printing data
US8811739B2 (en) * 2011-08-17 2014-08-19 Seiko Epson Corporation Image processing device
JP5880056B2 (en) * 2012-01-13 2016-03-08 セイコーエプソン株式会社 Image data generation apparatus, image processing apparatus, image processing system, image data generation method, image processing method, image data generation program, and image processing program
JP6060062B2 (en) * 2013-07-30 2017-01-11 京セラドキュメントソリューションズ株式会社 Image processing apparatus and program

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807852A (en) * 1973-01-15 1974-04-30 Unitax Inc Forms which are intended to be reproduced on a copying machine
US4308553A (en) * 1980-03-03 1981-12-29 Xerox Corporation Method and apparatus for making monochrome facsimiles of color images on color displays
US4703318A (en) * 1984-03-30 1987-10-27 Wang Laboratories, Inc. Character-based monochromatic representation of color images
US5321470A (en) * 1988-05-13 1994-06-14 Canon Kabushiki Kaisha Apparatus with anti-forgery provision
US5098817A (en) * 1989-03-10 1992-03-24 Voorhees Scott W Highlighting for photocopiers and facsimile machines
US5138465A (en) * 1989-09-14 1992-08-11 Eastman Kodak Company Method and apparatus for highlighting nested information areas for selective editing
US5612792A (en) * 1990-03-05 1997-03-18 Canon Kabushiki Kaisha Image processing method and apparatus for outputting a pattern image in accordance with the color and density level of each color of the output polychromatic image
US5153576A (en) * 1990-08-29 1992-10-06 Xerox Corporation Mapping of color images to black-and-white textured images
US5142337A (en) * 1990-10-09 1992-08-25 International Business Machines, Corp. Printing grey scale images
JP3178541B2 (en) * 1991-05-29 2001-06-18 キヤノン株式会社 Image processing method and apparatus
JP3320100B2 (en) * 1991-07-19 2002-09-03 キヤノン株式会社 Image processing method and apparatus
US5153739A (en) * 1991-09-06 1992-10-06 Xerox Corporation Ink catalog for a two color printer
US5291243A (en) * 1993-02-05 1994-03-01 Xerox Corporation System for electronically printing plural-color tamper-resistant documents

Also Published As

Publication number Publication date
DE69733236T2 (en) 2005-11-24
BR9704960A (en) 1998-11-17
EP0835024A2 (en) 1998-04-08
US5701401A (en) 1997-12-23
EP0835024B1 (en) 2005-05-11
DE69733236D1 (en) 2005-06-16
JPH10114111A (en) 1998-05-06
CA2216348C (en) 2002-09-10
EP0835024A3 (en) 2003-08-13

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20150923