DE69517459D1 - Bilderzeugungsgerät und -verfahren - Google Patents

Bilderzeugungsgerät und -verfahren

Info

Publication number
DE69517459D1
DE69517459D1 DE69517459T DE69517459T DE69517459D1 DE 69517459 D1 DE69517459 D1 DE 69517459D1 DE 69517459 T DE69517459 T DE 69517459T DE 69517459 T DE69517459 T DE 69517459T DE 69517459 D1 DE69517459 D1 DE 69517459D1
Authority
DE
Germany
Prior art keywords
imaging device
imaging
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
DE69517459T
Other languages
English (en)
Other versions
DE69517459T2 (de
Inventor
Nobuatsu Sasanuma
Yuichi Ikeda
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of DE69517459D1 publication Critical patent/DE69517459D1/de
Application granted granted Critical
Publication of DE69517459T2 publication Critical patent/DE69517459T2/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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4076—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture
    • H04N1/4078—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture using gradational references, e.g. grey-scale test pattern analysis
DE69517459T 1994-03-25 1995-03-24 Bilderzeugungsgerät und -verfahren Expired - Lifetime DE69517459T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP05605494A JP3471886B2 (ja) 1994-03-25 1994-03-25 画像形成方法及び装置

Publications (2)

Publication Number Publication Date
DE69517459D1 true DE69517459D1 (de) 2000-07-20
DE69517459T2 DE69517459T2 (de) 2001-02-08

Family

ID=13016378

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69517459T Expired - Lifetime DE69517459T2 (de) 1994-03-25 1995-03-24 Bilderzeugungsgerät und -verfahren

Country Status (4)

Country Link
US (1) US6034788A (de)
EP (1) EP0674427B1 (de)
JP (1) JP3471886B2 (de)
DE (1) DE69517459T2 (de)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN102346401A (zh) * 2010-07-21 2012-02-08 佳能株式会社 图像形成设备

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JP3596857B2 (ja) * 1999-07-05 2004-12-02 キヤノン株式会社 印刷装置および画像処理方法
JP3566145B2 (ja) * 1999-09-03 2004-09-15 シャープ株式会社 画像形成装置
US7006246B1 (en) 1999-09-17 2006-02-28 Canon Kabushiki Kaisha Image processing method, apparatus, recording medium and chart therefor
US6909814B1 (en) 1999-09-17 2005-06-21 Canon Kabushiki Kaisha Image processing method of generating conversion data for a scanner and calibration method employing the scanner
US6603574B1 (en) * 1999-11-23 2003-08-05 Xerox Corporation Image color registration sensor calibration
JP2001213030A (ja) * 2000-02-01 2001-08-07 Canon Inc テストプリント方法、情報処理装置および印刷システム
JP4107634B2 (ja) * 2000-08-09 2008-06-25 株式会社リコー 画像形成装置
US6486903B1 (en) * 2000-09-27 2002-11-26 Sawgrass Systems, Inc. Transfer printing process
US6999213B2 (en) * 2000-09-29 2006-02-14 Canon Kabushiki Kaisha Image processing system, image processing apparatus, image processing method, and storage medium thereof
US7253921B2 (en) * 2000-10-11 2007-08-07 True Color Technology Gmbh Process and target for calibration of digital input devices
US7050182B2 (en) * 2001-03-29 2006-05-23 Hewlett-Packard Development Company, L.P. Device having embedded supply consumption rate test capability
JP2003037718A (ja) * 2001-07-23 2003-02-07 Ricoh Co Ltd 画像読み取り装置及び画像形成装置
JP3542582B2 (ja) * 2002-01-07 2004-07-14 キヤノン株式会社 画像処理装置およびその制御方法
US7274490B2 (en) * 2002-02-19 2007-09-25 Canon Kabushiki Kaisha Image forming apparatus with control of maximum output of colorant
JP4323871B2 (ja) * 2003-06-11 2009-09-02 キヤノン株式会社 画像形成装置
EP1594302A1 (de) * 2004-05-06 2005-11-09 Agfa-Gevaert Digitaler Kontrollstreifen für flexografisches Drucken
US7551298B2 (en) * 2004-06-04 2009-06-23 Primax Electronics Ltd. Print control device with embedded engine simulation module and test method thereof
JP2007003707A (ja) * 2005-06-22 2007-01-11 Brother Ind Ltd 画像形成装置及びプログラム
US8531745B2 (en) * 2006-11-27 2013-09-10 Canon Kabushiki Kaisha Image formation density correction in image forming apparatus
US20080140234A1 (en) * 2006-12-06 2008-06-12 Shafter Richard M Method and system for remotely directing a fishing tournament
JP4922091B2 (ja) * 2007-07-23 2012-04-25 ルネサスエレクトロニクス株式会社 映像信号処理装置、映像信号処理方法及び表示装置
JP2009290420A (ja) * 2008-05-28 2009-12-10 Konica Minolta Business Technologies Inc 画像形成装置及び安定化制御方法
JP5241621B2 (ja) 2009-06-10 2013-07-17 キヤノン株式会社 画像形成装置、及び画像形成装置の制御方法
JP5388772B2 (ja) 2009-09-17 2014-01-15 キヤノン株式会社 画像形成装置
JP5717361B2 (ja) 2010-06-09 2015-05-13 キヤノン株式会社 画像形成装置
US8526059B2 (en) * 2010-06-10 2013-09-03 Kabushiki Kaisha Toshiba Printing calibration processing apparatus, image forming apparatus, and printing calibration processing method
JP5143254B2 (ja) 2010-07-22 2013-02-13 キヤノン株式会社 画像形成装置
JP5676965B2 (ja) 2010-08-09 2015-02-25 キヤノン株式会社 画像形成装置
JP2012080505A (ja) * 2010-10-06 2012-04-19 Konica Minolta Business Technologies Inc 画像処理装置および印刷装置、画像処理方法
JP2012123269A (ja) * 2010-12-09 2012-06-28 Canon Inc 画像形成装置、サーバ装置および画像形成システム
JP5586652B2 (ja) * 2011-04-18 2014-09-10 株式会社東芝 画像処理装置及び自動階調補正方法
JP2014033306A (ja) * 2012-08-02 2014-02-20 Canon Inc 画像処理装置、画像処理方法ならびにプログラム
JP6226638B2 (ja) 2013-08-22 2017-11-08 キヤノン株式会社 画像形成装置およびその制御方法
US10554860B2 (en) * 2018-07-09 2020-02-04 Toshiba Tec Kabushiki Kaisha Image forming apparatus, test image, and output density adjustment method of image forming apparatus

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JP3021538B2 (ja) * 1990-05-02 2000-03-15 ミノルタ株式会社 デジタル画像形成装置
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JPH04126462A (ja) * 1990-09-18 1992-04-27 Canon Inc 画像形成装置
JPH04204461A (ja) * 1990-11-29 1992-07-24 Minolta Camera Co Ltd 画像濃度制御装置
JP3143484B2 (ja) * 1991-02-22 2001-03-07 キヤノン株式会社 画像処理装置
US5414531A (en) * 1991-02-22 1995-05-09 Canon Kabushiki Kaisha Image forming control based on a stored operation condition
US5305057A (en) * 1991-07-05 1994-04-19 Minolta Camera Kabushiki Kaisha Image forming apparatus having correction means for modifying image density signals according to a gradation correction table
US5363318A (en) * 1992-03-23 1994-11-08 Eastman Kodak Company Method and apparatus for adaptive color characterization and calibration
US5319433A (en) * 1992-05-18 1994-06-07 Canon Kabushiki Kaisha Electrophotographing apparatus for forming color image
US5204538A (en) * 1992-05-18 1993-04-20 Xerox Corporation Densitometer for an electrophotographic printer using focused and unfocused reflecting beams
JP3274200B2 (ja) * 1992-12-28 2002-04-15 キヤノン株式会社 画像形成方法及び装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102346401A (zh) * 2010-07-21 2012-02-08 佳能株式会社 图像形成设备
CN102346401B (zh) * 2010-07-21 2014-09-24 佳能株式会社 图像形成设备
US8947728B2 (en) 2010-07-21 2015-02-03 Canon Kabushiki Kaisha Image forming apparatus which performs calibration for maintaining image quality

Also Published As

Publication number Publication date
JP3471886B2 (ja) 2003-12-02
EP0674427A3 (de) 1996-04-24
EP0674427A2 (de) 1995-09-27
DE69517459T2 (de) 2001-02-08
US6034788A (en) 2000-03-07
JPH07261479A (ja) 1995-10-13
EP0674427B1 (de) 2000-06-14

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