JP5409149B2 - 画像読取装置 - Google Patents

画像読取装置 Download PDF

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Publication number
JP5409149B2
JP5409149B2 JP2009164108A JP2009164108A JP5409149B2 JP 5409149 B2 JP5409149 B2 JP 5409149B2 JP 2009164108 A JP2009164108 A JP 2009164108A JP 2009164108 A JP2009164108 A JP 2009164108A JP 5409149 B2 JP5409149 B2 JP 5409149B2
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JP
Japan
Prior art keywords
output
image
pixel
reading
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.)
Expired - Fee Related
Application number
JP2009164108A
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English (en)
Japanese (ja)
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JP2011019194A5 (enExample
JP2011019194A (ja
Inventor
光生 白石
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
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2009164108A priority Critical patent/JP5409149B2/ja
Priority to US12/828,142 priority patent/US8400689B2/en
Publication of JP2011019194A publication Critical patent/JP2011019194A/ja
Publication of JP2011019194A5 publication Critical patent/JP2011019194A5/ja
Application granted granted Critical
Publication of JP5409149B2 publication Critical patent/JP5409149B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/191—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a one-dimensional array, or a combination of one-dimensional arrays, or a substantially one-dimensional array, e.g. an array of staggered elements
    • H04N1/192—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line
    • H04N1/193—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays
    • H04N1/1931—Simultaneously or substantially simultaneously scanning picture elements on one main scanning line using electrically scanned linear arrays, e.g. linear CCD arrays with scanning elements electrically interconnected in groups
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/1903—Arrangements for enabling electronic abutment of lines or areas independently scanned by different elements of an array or by different arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/63—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current
    • H04N25/633—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current by using optical black pixels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
    • H04N25/672—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction between adjacent sensors or output registers for reading a single image
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/701—Line sensors
    • H04N25/7013—Line sensors using abutted sensors forming a long line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
    • H04N25/713—Transfer or readout registers; Split readout registers or multiple readout registers
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/10—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces
    • H04N1/1013—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using flat picture-bearing surfaces with sub-scanning by translatory movement of at least a part of the main-scanning components
    • 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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Heads (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Input (AREA)
JP2009164108A 2009-07-10 2009-07-10 画像読取装置 Expired - Fee Related JP5409149B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009164108A JP5409149B2 (ja) 2009-07-10 2009-07-10 画像読取装置
US12/828,142 US8400689B2 (en) 2009-07-10 2010-06-30 Image reading apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009164108A JP5409149B2 (ja) 2009-07-10 2009-07-10 画像読取装置

Publications (3)

Publication Number Publication Date
JP2011019194A JP2011019194A (ja) 2011-01-27
JP2011019194A5 JP2011019194A5 (enExample) 2012-08-23
JP5409149B2 true JP5409149B2 (ja) 2014-02-05

Family

ID=43427254

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009164108A Expired - Fee Related JP5409149B2 (ja) 2009-07-10 2009-07-10 画像読取装置

Country Status (2)

Country Link
US (1) US8400689B2 (enExample)
JP (1) JP5409149B2 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5658464B2 (ja) 2010-02-03 2015-01-28 キヤノン株式会社 画像読取装置、及びその制御方法
KR20120070255A (ko) * 2010-12-21 2012-06-29 삼성전자주식회사 화상독취장치 및 화상독취장치용 회로 기판
JP5789990B2 (ja) * 2011-01-14 2015-10-07 セイコーエプソン株式会社 画像読取装置、及び画像読取制御方法
JP5959940B2 (ja) * 2012-05-31 2016-08-02 キヤノン株式会社 画像読取装置及び画像形成装置
US10507469B2 (en) * 2013-01-18 2019-12-17 Kurt M. Schie Wood chipper
JP6127536B2 (ja) * 2013-01-24 2017-05-17 株式会社リコー 画像読取装置、画像形成装置及び画像読取方法
JP6344278B2 (ja) * 2015-03-25 2018-06-20 京セラドキュメントソリューションズ株式会社 画像読取装置、画像形成装置
JP6733229B2 (ja) * 2016-03-15 2020-07-29 株式会社リコー 固体撮像装置、画像読取装置および画像形成装置
JP2020113573A (ja) * 2019-01-08 2020-07-27 キヤノン株式会社 光電変換装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05207232A (ja) * 1992-01-29 1993-08-13 Ricoh Co Ltd 画像読取装置
JPH10173859A (ja) * 1996-12-09 1998-06-26 Canon Inc アナログ信号処理回路
JPH11215298A (ja) 1998-01-22 1999-08-06 Toshiba Corp 画像情報処理装置と画像情報処理方法と画像形成装置
JP3940489B2 (ja) 1998-03-13 2007-07-04 株式会社東芝 画像読み取り装置及び方法
US7042591B1 (en) 1999-07-30 2006-05-09 Canon Kabushiki Kaisha Image exposure apparatus and image forming apparatus
JP4677420B2 (ja) * 2006-06-14 2011-04-27 キヤノン株式会社 画像読取装置

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Publication number Publication date
US8400689B2 (en) 2013-03-19
US20110007369A1 (en) 2011-01-13
JP2011019194A (ja) 2011-01-27

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