JP2024134922A - 画像読取装置、画像形成装置 - Google Patents

画像読取装置、画像形成装置 Download PDF

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Publication number
JP2024134922A
JP2024134922A JP2023045374A JP2023045374A JP2024134922A JP 2024134922 A JP2024134922 A JP 2024134922A JP 2023045374 A JP2023045374 A JP 2023045374A JP 2023045374 A JP2023045374 A JP 2023045374A JP 2024134922 A JP2024134922 A JP 2024134922A
Authority
JP
Japan
Prior art keywords
image
paper
reading
sub
read
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
JP2023045374A
Other languages
English (en)
Japanese (ja)
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JP2024134922A5 (https=
Inventor
滋人 田中
Shigeto Tanaka
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 JP2023045374A priority Critical patent/JP2024134922A/ja
Priority to US18/607,962 priority patent/US20240323289A1/en
Publication of JP2024134922A publication Critical patent/JP2024134922A/ja
Publication of JP2024134922A5 publication Critical patent/JP2024134922A5/ja
Pending legal-status Critical Current

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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
    • H04N1/00763—Action taken as a result of detection
    • H04N1/00774—Adjusting or controlling
    • H04N1/00779—Adjusting settings, e.g. mode, feeding rate or type of paper
    • 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
    • H04N1/00002—Diagnosis, testing or measuring; Detecting, analysing or monitoring not otherwise provided for
    • H04N1/00026—Methods therefor
    • H04N1/00045—Methods therefor using a reference pattern designed for the purpose, e.g. a test chart
    • 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
    • H04N1/00721—Orientation
    • 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 [1D] array
    • 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
    • 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
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/603—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer
    • H04N1/6033—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer using test pattern analysis
    • H04N1/6044—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer using test pattern analysis involving a sensor integrated in the machine or otherwise specifically adapted to read the test pattern

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Facsimiles In General (AREA)
  • Handling Of Sheets (AREA)
JP2023045374A 2023-03-22 2023-03-22 画像読取装置、画像形成装置 Pending JP2024134922A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2023045374A JP2024134922A (ja) 2023-03-22 2023-03-22 画像読取装置、画像形成装置
US18/607,962 US20240323289A1 (en) 2023-03-22 2024-03-18 Image reading apparatus and image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2023045374A JP2024134922A (ja) 2023-03-22 2023-03-22 画像読取装置、画像形成装置

Publications (2)

Publication Number Publication Date
JP2024134922A true JP2024134922A (ja) 2024-10-04
JP2024134922A5 JP2024134922A5 (https=) 2026-03-16

Family

ID=92802478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023045374A Pending JP2024134922A (ja) 2023-03-22 2023-03-22 画像読取装置、画像形成装置

Country Status (2)

Country Link
US (1) US20240323289A1 (https=)
JP (1) JP2024134922A (https=)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5499941B2 (ja) * 2010-06-28 2014-05-21 ブラザー工業株式会社 画像形成装置
JP6521620B2 (ja) * 2014-12-09 2019-05-29 キヤノン株式会社 印刷装置、印刷装置の制御方法、プログラム、及び記憶媒体
JP6952583B2 (ja) * 2017-11-14 2021-10-20 キヤノン株式会社 画像形成装置
JP7419048B2 (ja) * 2019-12-11 2024-01-22 キヤノン株式会社 画像形成装置
JP2022094171A (ja) * 2020-12-14 2022-06-24 キヤノン株式会社 画像形成装置

Also Published As

Publication number Publication date
US20240323289A1 (en) 2024-09-26

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