JPH09224159A - 動的カラー調整方法 - Google Patents

動的カラー調整方法

Info

Publication number
JPH09224159A
JPH09224159A JP9013507A JP1350797A JPH09224159A JP H09224159 A JPH09224159 A JP H09224159A JP 9013507 A JP9013507 A JP 9013507A JP 1350797 A JP1350797 A JP 1350797A JP H09224159 A JPH09224159 A JP H09224159A
Authority
JP
Japan
Prior art keywords
color
color channel
light source
channel
document
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.)
Pending
Application number
JP9013507A
Other languages
English (en)
Japanese (ja)
Other versions
JPH09224159A5 (enExample
Inventor
Edward S Beeman
エドワード・エス・ビーマン
Steven L Webb
スティーブン・エル・ウェッブ
Michael J Steinle
ミッシェル・ジェイ・スティンル
Robert G Gann
ロバート・ジー・ギャン
Brian L Hastings
ブライアン・エル・ハスティングス
Greg A Degi
グレッグ・エイ・デジ
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JPH09224159A publication Critical patent/JPH09224159A/ja
Publication of JPH09224159A5 publication Critical patent/JPH09224159A5/ja
Pending 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
    • H04N1/40056—Circuits for driving or energising particular reading heads or original illumination means
    • 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
    • H04N1/46—Colour picture communication systems
    • H04N1/48—Picture signal generators
    • H04N1/482—Picture signal generators using the same detector device sequentially for different colour components

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Color Television Image Signal Generators (AREA)
  • Facsimile Heads (AREA)
  • Color Image Communication Systems (AREA)
  • Processing Of Color Television Signals (AREA)
JP9013507A 1996-01-31 1997-01-28 動的カラー調整方法 Pending JPH09224159A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US594,192 1996-01-31
US08/594,192 US5654809A (en) 1996-01-31 1996-01-31 Method and apparatus for dynamic white point adjustment

Publications (2)

Publication Number Publication Date
JPH09224159A true JPH09224159A (ja) 1997-08-26
JPH09224159A5 JPH09224159A5 (enExample) 2004-12-24

Family

ID=24377906

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9013507A Pending JPH09224159A (ja) 1996-01-31 1997-01-28 動的カラー調整方法

Country Status (3)

Country Link
US (1) US5654809A (enExample)
EP (1) EP0788275A3 (enExample)
JP (1) JPH09224159A (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6490059B1 (en) 1996-09-04 2002-12-03 Hewlett-Packard Company Rotatable sheet feed scanner and method for using the same
US5982957A (en) * 1998-03-31 1999-11-09 Eastman Kodak Company Scanner illumination
EP1046308A1 (en) * 1998-08-14 2000-10-25 Koninklijke Philips Electronics N.V. Color signal matrix adjustment
US6577408B1 (en) * 1999-02-05 2003-06-10 Hewlett-Packard Development Company, L.P. Method and apparatus for correcting blue drift in an image scanner
US6252663B1 (en) 1999-04-12 2001-06-26 Sony Corporation Scanning and printing systems with color discrimination
EP1237464B1 (en) 1999-12-08 2005-07-20 X-Rite Incorporated Optical measurement device
US7251065B2 (en) * 2002-01-31 2007-07-31 Eastman Kodak Company Image color balance for scanners using an illumination spectral sensor
US7433096B2 (en) * 2003-02-28 2008-10-07 Hewlett-Packard Development Company, L.P. Scanning device calibration system and method
US7729017B2 (en) * 2004-05-11 2010-06-01 Lexmark International, Inc. Scanning device and method for scanning
US7186982B1 (en) * 2005-09-01 2007-03-06 Lexmark International, Inc. Method for calibrating a dual channel scanner background

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0683371B2 (ja) * 1982-10-20 1994-10-19 キヤノン株式会社 情報読取り装置
US4803556A (en) * 1987-06-15 1989-02-07 Xerox Corporation Scan lamp intensity control for raster input scanners
US5278674A (en) * 1990-01-25 1994-01-11 Hewlett-Packard Company Method and apparatus for providing illumination compensation in a document scanner
EP0439357B1 (en) * 1990-01-25 1997-07-23 Hewlett-Packard Company Method and apparatus for providing sensor compensation in a document scanner
US5336976A (en) * 1993-04-26 1994-08-09 Hewlett-Packard Company Illumination warm-up control in a document scanner
JPH07115495A (ja) * 1993-10-15 1995-05-02 Matsushita Electric Ind Co Ltd 原稿読取装置
US5504524A (en) * 1993-10-15 1996-04-02 Vlsi Vision Limited Method and apparatus for controlling color balance of a video signal
JPH07162599A (ja) * 1993-12-06 1995-06-23 Sony Corp 画像読取装置
JPH08307601A (ja) * 1995-04-28 1996-11-22 Dainippon Screen Mfg Co Ltd 画像読取装置

Also Published As

Publication number Publication date
EP0788275A3 (en) 1998-09-16
US5654809A (en) 1997-08-05
EP0788275A2 (en) 1997-08-06

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