JP4497682B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP4497682B2
JP4497682B2 JP2000266088A JP2000266088A JP4497682B2 JP 4497682 B2 JP4497682 B2 JP 4497682B2 JP 2000266088 A JP2000266088 A JP 2000266088A JP 2000266088 A JP2000266088 A JP 2000266088A JP 4497682 B2 JP4497682 B2 JP 4497682B2
Authority
JP
Japan
Prior art keywords
forming apparatus
image forming
photoconductor
exposure
photosensitive member
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
JP2000266088A
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English (en)
Japanese (ja)
Other versions
JP2002067387A5 (enExample
JP2002067387A (ja
Inventor
功已 伊藤
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 JP2000266088A priority Critical patent/JP4497682B2/ja
Priority to US09/940,492 priority patent/US6466244B2/en
Publication of JP2002067387A publication Critical patent/JP2002067387A/ja
Publication of JP2002067387A5 publication Critical patent/JP2002067387A5/ja
Application granted granted Critical
Publication of JP4497682B2 publication Critical patent/JP4497682B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N1/23—Reproducing arrangements
    • H04N1/2307—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity
    • H04N1/2315—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity according to characteristics of the reproducing apparatus, e.g. capability
    • 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
    • G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
    • G03G15/32—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head
    • G03G15/326—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head by application of light, e.g. using a LED array
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • 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
    • H04N1/23—Reproducing arrangements
    • H04N1/29—Reproducing arrangements involving production of an electrostatic intermediate picture
    • H04N1/295—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity
    • 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
    • H04N1/4015—Compensating positionally unequal response of the pick-up or reproducing head of the reproducing head
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Laser Beam Printer (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP2000266088A 2000-09-01 2000-09-01 画像形成装置 Expired - Fee Related JP4497682B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000266088A JP4497682B2 (ja) 2000-09-01 2000-09-01 画像形成装置
US09/940,492 US6466244B2 (en) 2000-09-01 2001-08-29 Image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000266088A JP4497682B2 (ja) 2000-09-01 2000-09-01 画像形成装置

Publications (3)

Publication Number Publication Date
JP2002067387A JP2002067387A (ja) 2002-03-05
JP2002067387A5 JP2002067387A5 (enExample) 2007-10-11
JP4497682B2 true JP4497682B2 (ja) 2010-07-07

Family

ID=18753241

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000266088A Expired - Fee Related JP4497682B2 (ja) 2000-09-01 2000-09-01 画像形成装置

Country Status (2)

Country Link
US (1) US6466244B2 (enExample)
JP (1) JP4497682B2 (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2005262485A (ja) * 2004-03-16 2005-09-29 Canon Inc 画像形成装置及びその制御方法
JP2005345922A (ja) * 2004-06-04 2005-12-15 Canon Inc 画像形成装置
JP4656934B2 (ja) * 2004-12-27 2011-03-23 京セラミタ株式会社 画像形成装置
JP2006181783A (ja) * 2004-12-27 2006-07-13 Kyocera Mita Corp 画像形成装置
JP4771691B2 (ja) * 2004-12-28 2011-09-14 京セラミタ株式会社 画像形成装置
JP2006181883A (ja) * 2004-12-28 2006-07-13 Kyocera Mita Corp 画像形成装置
US7692814B2 (en) * 2004-12-28 2010-04-06 Kyocera Mita Corporation Image forming apparatus
JP4626981B2 (ja) * 2005-01-28 2011-02-09 京セラミタ株式会社 画像形成装置
JP4827417B2 (ja) * 2005-01-26 2011-11-30 京セラミタ株式会社 画像形成装置
JP4480591B2 (ja) * 2005-01-17 2010-06-16 京セラミタ株式会社 画像形成装置
JP4526413B2 (ja) * 2005-02-24 2010-08-18 京セラミタ株式会社 画像形成装置
JP2006235494A (ja) * 2005-02-28 2006-09-07 Kyocera Mita Corp 画像形成装置
JP4590324B2 (ja) * 2005-07-29 2010-12-01 キヤノン株式会社 画像形成装置および方法
JP4871682B2 (ja) * 2005-09-21 2012-02-08 キヤノン株式会社 画像形成装置
JP5043337B2 (ja) 2006-01-12 2012-10-10 キヤノン株式会社 画像形成装置
JP5074060B2 (ja) * 2006-04-28 2012-11-14 京セラドキュメントソリューションズ株式会社 画像形成装置
JP5354853B2 (ja) * 2006-12-19 2013-11-27 キヤノン株式会社 画像形成装置及び該画像形成装置に備えられる制御装置
US8385768B2 (en) 2007-04-18 2013-02-26 Canon Kabushiki Kaisha Image forming apparatus that measures temperatures at a first location and a second location different from the first location in a longitudinal direction of a photoconductor, and that changes an exposure at a third location between the first and second locations based on respective temperature of or near the surface of the photo conductor at the first and second locations, and corresponding image forming method
JP4989294B2 (ja) * 2007-04-27 2012-08-01 キヤノン株式会社 光学走査装置、光量制御方法及び画像形成装置
JP5188113B2 (ja) * 2007-07-09 2013-04-24 キヤノン株式会社 画像形成装置及びその制御方法
JP4900368B2 (ja) * 2008-11-28 2012-03-21 富士ゼロックス株式会社 画像形成装置
EP3414627A1 (en) * 2016-03-31 2018-12-19 Hp Indigo B.V. Photoconductor charging uniformity correction

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04212181A (ja) * 1990-06-14 1992-08-03 Sharp Corp 感光体膜減り検出装置を備える画像形成装置
JPH063911A (ja) * 1992-06-19 1994-01-14 Canon Inc 画像形成装置
US5459492A (en) * 1993-08-30 1995-10-17 Texas Instruments Incorporated Method and apparatus for printing stroke and contone data together
US5699168A (en) * 1995-06-22 1997-12-16 Texas Instruments Incorporated Grayscale printing with sliding window memory
JPH10161402A (ja) * 1996-11-27 1998-06-19 Minolta Co Ltd 画像形成装置
US6108499A (en) * 1999-09-14 2000-08-22 Hewlett-Packard Company Determination of photoconductor wear

Also Published As

Publication number Publication date
US6466244B2 (en) 2002-10-15
US20020027591A1 (en) 2002-03-07
JP2002067387A (ja) 2002-03-05

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