JP2008042329A - 画像読取装置及びその制御方法 - Google Patents

画像読取装置及びその制御方法 Download PDF

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Publication number
JP2008042329A
JP2008042329A JP2006211191A JP2006211191A JP2008042329A JP 2008042329 A JP2008042329 A JP 2008042329A JP 2006211191 A JP2006211191 A JP 2006211191A JP 2006211191 A JP2006211191 A JP 2006211191A JP 2008042329 A JP2008042329 A JP 2008042329A
Authority
JP
Japan
Prior art keywords
light emitting
emitting elements
auxiliary
image reading
image
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
JP2006211191A
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English (en)
Japanese (ja)
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JP2008042329A5 (enExample
Inventor
Takeshi Sekiya
武 関谷
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
Priority to JP2006211191A priority Critical patent/JP2008042329A/ja
Priority to US11/832,696 priority patent/US7916365B2/en
Publication of JP2008042329A publication Critical patent/JP2008042329A/ja
Publication of JP2008042329A5 publication Critical patent/JP2008042329A5/ja
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/407Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4076Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Color Image Communication Systems (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
JP2006211191A 2006-08-02 2006-08-02 画像読取装置及びその制御方法 Pending JP2008042329A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2006211191A JP2008042329A (ja) 2006-08-02 2006-08-02 画像読取装置及びその制御方法
US11/832,696 US7916365B2 (en) 2006-08-02 2007-08-02 Image reading apparatus and image forming apparatus with white light emitting color correction elements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006211191A JP2008042329A (ja) 2006-08-02 2006-08-02 画像読取装置及びその制御方法

Publications (2)

Publication Number Publication Date
JP2008042329A true JP2008042329A (ja) 2008-02-21
JP2008042329A5 JP2008042329A5 (enExample) 2009-09-17

Family

ID=39028853

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006211191A Pending JP2008042329A (ja) 2006-08-02 2006-08-02 画像読取装置及びその制御方法

Country Status (2)

Country Link
US (1) US7916365B2 (enExample)
JP (1) JP2008042329A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010062101A (ja) * 2008-09-05 2010-03-18 Nippon Hoso Kyokai <Nhk> 照明用光源装置及びこれを備えた照明装置
JP2014053882A (ja) * 2012-08-08 2014-03-20 Ricoh Co Ltd スキャナ装置
JP2016071271A (ja) * 2014-10-01 2016-05-09 コニカミノルタ株式会社 照明用発光装置および画像読取装置
JPWO2016185647A1 (ja) * 2015-05-15 2018-03-01 ソニー株式会社 光源装置、光源駆動方法、及び観察装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120109761A1 (en) * 2010-10-27 2012-05-03 Ncr Corporation Apparatus, method and system for a point of sale terminal
JP6686564B2 (ja) * 2016-03-11 2020-04-22 コニカミノルタ株式会社 画像読取装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5969343A (en) * 1995-08-24 1999-10-19 Matsushita Electric Industrial Co., Ltd. Linear illumination device
DE19611290C2 (de) 1996-03-22 1998-04-16 Draegerwerk Ag Gassensor
US6917028B2 (en) * 2001-04-19 2005-07-12 Canon Kabushiki Kaisha Image reading apparatus and control method thereof having an illumination unit
US6995355B2 (en) * 2003-06-23 2006-02-07 Advanced Optical Technologies, Llc Optical integrating chamber lighting using multiple color sources
CA2533209A1 (en) * 2003-07-23 2005-01-27 Tir Systems Ltd. Control system for an illumination device incorporating discrete light sources
US7119500B2 (en) * 2003-12-05 2006-10-10 Dialight Corporation Dynamic color mixing LED device
JP2006202602A (ja) * 2005-01-20 2006-08-03 Sugatsune Ind Co Ltd 可変色照明装置
US8035320B2 (en) * 2007-04-20 2011-10-11 Sibert W Olin Illumination control network

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010062101A (ja) * 2008-09-05 2010-03-18 Nippon Hoso Kyokai <Nhk> 照明用光源装置及びこれを備えた照明装置
JP2014053882A (ja) * 2012-08-08 2014-03-20 Ricoh Co Ltd スキャナ装置
JP2016071271A (ja) * 2014-10-01 2016-05-09 コニカミノルタ株式会社 照明用発光装置および画像読取装置
JPWO2016185647A1 (ja) * 2015-05-15 2018-03-01 ソニー株式会社 光源装置、光源駆動方法、及び観察装置

Also Published As

Publication number Publication date
US20080030813A1 (en) 2008-02-07
US7916365B2 (en) 2011-03-29

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