JP5818495B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP5818495B2
JP5818495B2 JP2011095275A JP2011095275A JP5818495B2 JP 5818495 B2 JP5818495 B2 JP 5818495B2 JP 2011095275 A JP2011095275 A JP 2011095275A JP 2011095275 A JP2011095275 A JP 2011095275A JP 5818495 B2 JP5818495 B2 JP 5818495B2
Authority
JP
Japan
Prior art keywords
image
laser
photosensitive drum
exposure
light source
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
JP2011095275A
Other languages
English (en)
Japanese (ja)
Other versions
JP2012224032A5 (enExample
JP2012224032A (ja
Inventor
関　雄一
雄一 関
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 JP2011095275A priority Critical patent/JP5818495B2/ja
Priority to US13/442,596 priority patent/US8963978B2/en
Publication of JP2012224032A publication Critical patent/JP2012224032A/ja
Publication of JP2012224032A5 publication Critical patent/JP2012224032A5/ja
Application granted granted Critical
Publication of JP5818495B2 publication Critical patent/JP5818495B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G03G15/043—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
    • 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
    • H04N1/113—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 oscillating or rotating mirrors
    • H04N1/1135—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 oscillating or rotating mirrors for the main-scan only
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0077—Types of the still picture apparatus
    • H04N2201/0082—Image hardcopy reproducer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Laser Beam Printer (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Fax Reproducing Arrangements (AREA)
JP2011095275A 2011-04-21 2011-04-21 画像形成装置 Expired - Fee Related JP5818495B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011095275A JP5818495B2 (ja) 2011-04-21 2011-04-21 画像形成装置
US13/442,596 US8963978B2 (en) 2011-04-21 2012-04-09 Exposure apparatus with correction for variations in sensitivity and image forming apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011095275A JP5818495B2 (ja) 2011-04-21 2011-04-21 画像形成装置

Publications (3)

Publication Number Publication Date
JP2012224032A JP2012224032A (ja) 2012-11-15
JP2012224032A5 JP2012224032A5 (enExample) 2014-05-29
JP5818495B2 true JP5818495B2 (ja) 2015-11-18

Family

ID=47021103

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011095275A Expired - Fee Related JP5818495B2 (ja) 2011-04-21 2011-04-21 画像形成装置

Country Status (2)

Country Link
US (1) US8963978B2 (enExample)
JP (1) JP5818495B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6003431B2 (ja) * 2012-09-12 2016-10-05 富士ゼロックス株式会社 光量制御装置、露光装置、及び画像形成装置
JP6178641B2 (ja) 2013-06-28 2017-08-09 キヤノン株式会社 光走査装置及び画像形成装置
US10496004B2 (en) 2015-08-20 2019-12-03 Canon Kabushiki Kaisha Image forming apparatus with current-controlled light emitting element
JP6609144B2 (ja) 2015-09-10 2019-11-20 キヤノン株式会社 光走査装置
JP6671931B2 (ja) 2015-11-16 2020-03-25 キヤノン株式会社 画像形成装置
JP2017219714A (ja) 2016-06-08 2017-12-14 キヤノン株式会社 光走査装置
JP6824653B2 (ja) * 2016-07-13 2021-02-03 キヤノン株式会社 画像形成装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2588880B2 (ja) * 1986-08-20 1997-03-12 キヤノン株式会社 画像濃度補正装置
JPH11348343A (ja) * 1998-06-03 1999-12-21 Canon Inc 画像形成方法および装置
JP2000218865A (ja) 1998-11-25 2000-08-08 Canon Inc レ―ザ駆動装置とその駆動方法及びそれを用いた画像形成装置
JP2001343776A (ja) * 2000-05-30 2001-12-14 Canon Inc 電子写真方法、ならびにそれに用いる電子写真用光受容部材
JP2003154706A (ja) * 2001-11-26 2003-05-27 Canon Inc 画像形成装置
JP2004223716A (ja) 2002-02-08 2004-08-12 Canon Inc レーザビーム制御機構と画像形成装置
US6919979B2 (en) 2002-07-25 2005-07-19 Canon Kabushiki Kaisha Optical scanning apparatus
JP2004103839A (ja) 2002-09-10 2004-04-02 Canon Inc 半導体マルチビームレーザ装置及び画像形成装置
US7129967B2 (en) 2003-03-03 2006-10-31 Canon Kabushiki Kaisha Frequency modulation apparatus and frequency modulation method
JP2006247903A (ja) * 2005-03-08 2006-09-21 Kyocera Mita Corp 画像形成装置
JP2007098681A (ja) * 2005-09-30 2007-04-19 Kyocera Mita Corp 電子写真画像形成装置
JP5169099B2 (ja) * 2007-09-14 2013-03-27 コニカミノルタビジネステクノロジーズ株式会社 レーザ走査光学装置

Also Published As

Publication number Publication date
US20120268723A1 (en) 2012-10-25
JP2012224032A (ja) 2012-11-15
US8963978B2 (en) 2015-02-24

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