JP7520523B2 - 画像読取装置 - Google Patents

画像読取装置 Download PDF

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Publication number
JP7520523B2
JP7520523B2 JP2020018310A JP2020018310A JP7520523B2 JP 7520523 B2 JP7520523 B2 JP 7520523B2 JP 2020018310 A JP2020018310 A JP 2020018310A JP 2020018310 A JP2020018310 A JP 2020018310A JP 7520523 B2 JP7520523 B2 JP 7520523B2
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JP
Japan
Prior art keywords
image
reading
resolution
document
light receiving
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.)
Active
Application number
JP2020018310A
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English (en)
Japanese (ja)
Other versions
JP2021125805A5 (enExample
JP2021125805A (ja
Inventor
健次 大木
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 JP2020018310A priority Critical patent/JP7520523B2/ja
Priority to US17/156,212 priority patent/US11394842B2/en
Publication of JP2021125805A publication Critical patent/JP2021125805A/ja
Publication of JP2021125805A5 publication Critical patent/JP2021125805A5/ja
Application granted granted Critical
Publication of JP7520523B2 publication Critical patent/JP7520523B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00684—Object of the detection
    • H04N1/00687—Presence or absence
    • H04N1/00689—Presence
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00684—Object of the detection
    • H04N1/00687—Presence or absence
    • H04N1/00694—Presence or absence in an input tray
    • 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
    • H04N1/00681—Detecting the presence, position or size of a sheet or correcting its position before scanning
    • H04N1/00729—Detection means
    • H04N1/00734—Optical detectors
    • H04N1/00737—Optical detectors using the scanning elements as detectors
    • 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
    • H04N1/1039—Movement 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
    • H04N1/121—Feeding arrangements
    • H04N1/1215—Feeding using one or more cylindrical platens or rollers in the immediate vicinity of the main scanning line
    • 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
    • H04N1/00795—Reading arrangements
    • H04N1/00798—Circuits or arrangements for the control thereof, e.g. using a programmed control device or according to a measured quantity
    • H04N1/00822—Selecting or setting a particular reading mode, e.g. from amongst a plurality of modes, simplex or duplex, or high or low resolution

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Input (AREA)
  • Facsimile Heads (AREA)
JP2020018310A 2020-02-05 2020-02-05 画像読取装置 Active JP7520523B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020018310A JP7520523B2 (ja) 2020-02-05 2020-02-05 画像読取装置
US17/156,212 US11394842B2 (en) 2020-02-05 2021-01-22 Image reading apparatus determines whether a document is chromatic or achromatic and performing a conveyance speed of a document based on the setting of a color determination, and performing conveyance speed based on setting of an output resolution without setting whether to perform a color determination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020018310A JP7520523B2 (ja) 2020-02-05 2020-02-05 画像読取装置

Publications (3)

Publication Number Publication Date
JP2021125805A JP2021125805A (ja) 2021-08-30
JP2021125805A5 JP2021125805A5 (enExample) 2023-02-09
JP7520523B2 true JP7520523B2 (ja) 2024-07-23

Family

ID=77061482

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020018310A Active JP7520523B2 (ja) 2020-02-05 2020-02-05 画像読取装置

Country Status (2)

Country Link
US (1) US11394842B2 (enExample)
JP (1) JP7520523B2 (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003274115A (ja) 2002-03-18 2003-09-26 Fuji Xerox Co Ltd 画像読取装置
WO2005088955A1 (ja) 2004-03-16 2005-09-22 Canon Components, Inc. カラーイメージセンサユニット及び前記センサユニットを用いた画像読み取り装置及びその制御方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999048277A1 (en) * 1998-03-17 1999-09-23 Matsushita Electric Industrial Co., Ltd. Image reader
US20020145765A1 (en) * 2001-04-04 2002-10-10 Chou Huil-Ing Method and apparatus for increasing scan resolution
US7345795B2 (en) * 2003-07-11 2008-03-18 Kabushiki Kaisha Toshiba System and method for scanning or reading documents having both color and monochromatic pages
US8004728B2 (en) * 2006-11-29 2011-08-23 Brother Kogyo Kabushiki Kaisha Image scanning device
JP4824617B2 (ja) * 2007-04-02 2011-11-30 ニスカ株式会社 画像読取装置
JP4873733B2 (ja) 2007-06-06 2012-02-08 キヤノン株式会社 原稿のカラー／白黒判定方法及び画像読取装置、画像形成装置、画像送信装置
JP5304827B2 (ja) * 2011-03-30 2013-10-02 ブラザー工業株式会社 制御装置
JP2013085172A (ja) * 2011-10-12 2013-05-09 Canon Inc 原稿読取装置
JP6228155B2 (ja) 2014-07-07 2017-11-08 キヤノンファインテックニスカ株式会社 画像読取装置及び画像形成装置
JP7051404B2 (ja) 2017-12-05 2022-04-11 キヤノン株式会社 画像読取装置
JP2021022847A (ja) 2019-07-29 2021-02-18 キヤノン株式会社 原稿読取装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003274115A (ja) 2002-03-18 2003-09-26 Fuji Xerox Co Ltd 画像読取装置
WO2005088955A1 (ja) 2004-03-16 2005-09-22 Canon Components, Inc. カラーイメージセンサユニット及び前記センサユニットを用いた画像読み取り装置及びその制御方法

Also Published As

Publication number Publication date
US11394842B2 (en) 2022-07-19
JP2021125805A (ja) 2021-08-30
US20210243322A1 (en) 2021-08-05

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