JP5955126B2 - 画像読取装置及び画像形成装置 - Google Patents

画像読取装置及び画像形成装置 Download PDF

Info

Publication number
JP5955126B2
JP5955126B2 JP2012140637A JP2012140637A JP5955126B2 JP 5955126 B2 JP5955126 B2 JP 5955126B2 JP 2012140637 A JP2012140637 A JP 2012140637A JP 2012140637 A JP2012140637 A JP 2012140637A JP 5955126 B2 JP5955126 B2 JP 5955126B2
Authority
JP
Japan
Prior art keywords
image
reading
unit
image reading
light
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
JP2012140637A
Other languages
English (en)
Japanese (ja)
Other versions
JP2014007492A5 (enExample
JP2014007492A (ja
Inventor
真史 ▲高▼橋
真史 ▲高▼橋
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 JP2012140637A priority Critical patent/JP5955126B2/ja
Priority to US13/915,423 priority patent/US8995026B2/en
Publication of JP2014007492A publication Critical patent/JP2014007492A/ja
Publication of JP2014007492A5 publication Critical patent/JP2014007492A5/ja
Application granted granted Critical
Publication of JP5955126B2 publication Critical patent/JP5955126B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H04N1/40093—Modification of content of picture, e.g. retouching
    • 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
    • H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head
    • 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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4076—Control 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)
  • Image Input (AREA)
JP2012140637A 2012-06-22 2012-06-22 画像読取装置及び画像形成装置 Expired - Fee Related JP5955126B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012140637A JP5955126B2 (ja) 2012-06-22 2012-06-22 画像読取装置及び画像形成装置
US13/915,423 US8995026B2 (en) 2012-06-22 2013-06-11 Image reading apparatus with correction using diffuse reflection surface and image forming apparatus with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012140637A JP5955126B2 (ja) 2012-06-22 2012-06-22 画像読取装置及び画像形成装置

Publications (3)

Publication Number Publication Date
JP2014007492A JP2014007492A (ja) 2014-01-16
JP2014007492A5 JP2014007492A5 (enExample) 2015-04-30
JP5955126B2 true JP5955126B2 (ja) 2016-07-20

Family

ID=49774221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012140637A Expired - Fee Related JP5955126B2 (ja) 2012-06-22 2012-06-22 画像読取装置及び画像形成装置

Country Status (2)

Country Link
US (1) US8995026B2 (enExample)
JP (1) JP5955126B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6661465B2 (ja) * 2016-05-20 2020-03-11 キヤノン株式会社 画像読取装置及び画像形成装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06166448A (ja) * 1992-12-01 1994-06-14 Sharp Corp 原稿供給装置
JPH0730729A (ja) * 1993-07-15 1995-01-31 Hitachi Ltd 画像入力装置
JPH0974465A (ja) * 1995-07-04 1997-03-18 Ricoh Co Ltd 原稿読取装置
JP2003032449A (ja) * 2001-07-12 2003-01-31 Ricoh Co Ltd 画像読取装置及び画像形成装置
US20040161862A1 (en) * 2003-02-15 2004-08-19 Golovlev Valeri V. Method of visualization and quantification of biopolymer molecules immobilized on solid support
JP2006033797A (ja) * 2004-06-17 2006-02-02 Ricoh Co Ltd 画像処理装置及び画像処理方法
US7695131B2 (en) * 2004-10-16 2010-04-13 Samsung Electronics Co., Ltd. Media detection apparatus and method usable with image forming apparatus
JP2007081968A (ja) 2005-09-15 2007-03-29 Canon Inc 画像読み取り装置
JP5565689B2 (ja) * 2010-06-30 2014-08-06 富士ゼロックス株式会社 板状部材搬送装置、画像形成装置、および後処理装置

Also Published As

Publication number Publication date
US20130342876A1 (en) 2013-12-26
US8995026B2 (en) 2015-03-31
JP2014007492A (ja) 2014-01-16

Similar Documents

Publication Publication Date Title
JP5556391B2 (ja) 画像読取装置
US20120013955A1 (en) Image reader, image forming apparatus, and method of correcting image data
US8514460B2 (en) Image reader and method for adjusting magnification accuracy of image reader
JP2014060550A (ja) 原稿読取装置、画像形成装置、原稿読取方法、並びにプログラム
US8446648B2 (en) Image reading apparatus and image forming apparatus including the same
US8054510B2 (en) Document reading method, document reader, image forming device, and image scanner
US8749860B2 (en) Document reading apparatus and image processing method
US8654409B2 (en) Image scanning apparatus and method for correcting scanned image
JP5955126B2 (ja) 画像読取装置及び画像形成装置
US7586082B2 (en) Optical element for a document illuminator
JP4497836B2 (ja) 画像読取装置及びその制御方法及びプログラム
JP2008113069A (ja) 読み取り装置及び複写機
JP4232698B2 (ja) 画像読み取り装置
JP2000236422A (ja) 画像読取り装置
JP2004282151A (ja) 画像読取装置
JP2010035136A (ja) 画像読取装置、画像形成装置及び画像読取方法
US20240397008A1 (en) Image scanning device and image forming device
JP6149361B2 (ja) 原稿読取装置、その原稿読取装置を備える画像形成装置及び原稿読取方法
JP4371717B2 (ja) 画像読取装置
JP3584608B2 (ja) 画像読み取り装置
JPH11196241A (ja) 画像読取装置
JP2023003470A (ja) 画像読取装置、画像処理方法及びプログラム
JP2007081968A (ja) 画像読み取り装置
JP2009212602A (ja) 画像読取装置及び画像読取方法
JP2008252203A (ja) 画像読取装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150311

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20150311

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20160128

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20160209

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160408

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20160517

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20160614

R151 Written notification of patent or utility model registration

Ref document number: 5955126

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

LAPS Cancellation because of no payment of annual fees