EP2541332A3 - Appareil de formation d'images - Google Patents

Appareil de formation d'images Download PDF

Info

Publication number
EP2541332A3
EP2541332A3 EP12173819.9A EP12173819A EP2541332A3 EP 2541332 A3 EP2541332 A3 EP 2541332A3 EP 12173819 A EP12173819 A EP 12173819A EP 2541332 A3 EP2541332 A3 EP 2541332A3
Authority
EP
European Patent Office
Prior art keywords
image
unit
skew
amount
density correction
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.)
Granted
Application number
EP12173819.9A
Other languages
German (de)
English (en)
Other versions
EP2541332A2 (fr
EP2541332B1 (fr
Inventor
Takuhei Yokoyama
Izumi Kinoshita
Susumu Miyazaki
Motohiro Kawanabe
Tatsuya Miyadera
Takeshi Shikama
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of EP2541332A2 publication Critical patent/EP2541332A2/fr
Publication of EP2541332A3 publication Critical patent/EP2541332A3/fr
Application granted granted Critical
Publication of EP2541332B1 publication Critical patent/EP2541332B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
    • G03G15/04045—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers
    • G03G15/04054—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers by LED arrays
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
    • G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/04—Arrangements for exposing and producing an image
    • G03G2215/0402—Exposure devices
    • G03G2215/0407—Light-emitting array or panel
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/04—Arrangements for exposing and producing an image
    • G03G2215/0402—Exposure devices
    • G03G2215/0407—Light-emitting array or panel
    • G03G2215/0409—Light-emitting diodes, i.e. LED-array
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/04—Arrangements for exposing and producing an image
    • G03G2215/0429—Changing or enhancing the image
    • G03G2215/0468—Image area information changed (default is the charge image)
    • G03G2215/047—Image corrections

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Color Electrophotography (AREA)
EP12173819.9A 2011-06-30 2012-06-27 Appareil de formation d'images Active EP2541332B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011146375A JP5849467B2 (ja) 2011-06-30 2011-06-30 画像形成装置、および画像形成方法

Publications (3)

Publication Number Publication Date
EP2541332A2 EP2541332A2 (fr) 2013-01-02
EP2541332A3 true EP2541332A3 (fr) 2018-01-03
EP2541332B1 EP2541332B1 (fr) 2019-09-11

Family

ID=46750160

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12173819.9A Active EP2541332B1 (fr) 2011-06-30 2012-06-27 Appareil de formation d'images

Country Status (2)

Country Link
EP (1) EP2541332B1 (fr)
JP (1) JP5849467B2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7106363B2 (ja) 2018-06-18 2022-07-26 キヤノン株式会社 画像形成装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007145001A (ja) * 2005-11-07 2007-06-14 Fuji Xerox Co Ltd プリントヘッドおよびプリントヘッドにおける副走査方向ずれ補正値の設定方法
JP2009027683A (ja) * 2006-12-28 2009-02-05 Ricoh Co Ltd 画像補正装置、画像形成装置および画像補正方法
EP2290585A2 (fr) * 2009-08-24 2011-03-02 Ricoh Company Ltd. Dispositif d'écriture optique, appareil de formation d'image, procédé de commande du dispositif d'écriture optique et produit de programme informatique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002120390A (ja) * 2000-10-13 2002-04-23 Fuji Xerox Co Ltd 画像書き込み装置
JP2005271351A (ja) * 2004-03-24 2005-10-06 Fuji Xerox Co Ltd 画像形成装置、記録ヘッドの調整方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007145001A (ja) * 2005-11-07 2007-06-14 Fuji Xerox Co Ltd プリントヘッドおよびプリントヘッドにおける副走査方向ずれ補正値の設定方法
JP2009027683A (ja) * 2006-12-28 2009-02-05 Ricoh Co Ltd 画像補正装置、画像形成装置および画像補正方法
EP2290585A2 (fr) * 2009-08-24 2011-03-02 Ricoh Company Ltd. Dispositif d'écriture optique, appareil de formation d'image, procédé de commande du dispositif d'écriture optique et produit de programme informatique

Also Published As

Publication number Publication date
JP2013015570A (ja) 2013-01-24
EP2541332A2 (fr) 2013-01-02
JP5849467B2 (ja) 2016-01-27
EP2541332B1 (fr) 2019-09-11

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