JP4989163B2 - 画像形成装置およびその制御方法 - Google Patents

画像形成装置およびその制御方法 Download PDF

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Publication number
JP4989163B2
JP4989163B2 JP2006246002A JP2006246002A JP4989163B2 JP 4989163 B2 JP4989163 B2 JP 4989163B2 JP 2006246002 A JP2006246002 A JP 2006246002A JP 2006246002 A JP2006246002 A JP 2006246002A JP 4989163 B2 JP4989163 B2 JP 4989163B2
Authority
JP
Japan
Prior art keywords
light beam
reference position
correction value
positions
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
JP2006246002A
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English (en)
Japanese (ja)
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JP2008065270A5 (enExample
JP2008065270A (ja
Inventor
英史 吉田
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 JP2006246002A priority Critical patent/JP4989163B2/ja
Priority to US11/852,128 priority patent/US7750934B2/en
Publication of JP2008065270A publication Critical patent/JP2008065270A/ja
Publication of JP2008065270A5 publication Critical patent/JP2008065270A5/ja
Application granted granted Critical
Publication of JP4989163B2 publication Critical patent/JP4989163B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
    • 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
    • H04N1/047—Detection, control or error compensation of scanning velocity or position
    • 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
    • H04N2201/04—Scanning arrangements
    • H04N2201/047—Detection, control or error compensation of scanning velocity or position
    • H04N2201/04753—Control or error compensation of scanning position or velocity
    • H04N2201/04755—Control or error compensation of scanning position or velocity by controlling the position or movement of a scanning element or carriage, e.g. of a polygonal mirror, of a drive motor

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Laser Beam Printer (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP2006246002A 2006-09-11 2006-09-11 画像形成装置およびその制御方法 Expired - Fee Related JP4989163B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2006246002A JP4989163B2 (ja) 2006-09-11 2006-09-11 画像形成装置およびその制御方法
US11/852,128 US7750934B2 (en) 2006-09-11 2007-09-07 Image forming apparatus and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006246002A JP4989163B2 (ja) 2006-09-11 2006-09-11 画像形成装置およびその制御方法

Publications (3)

Publication Number Publication Date
JP2008065270A JP2008065270A (ja) 2008-03-21
JP2008065270A5 JP2008065270A5 (enExample) 2009-10-22
JP4989163B2 true JP4989163B2 (ja) 2012-08-01

Family

ID=39169263

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006246002A Expired - Fee Related JP4989163B2 (ja) 2006-09-11 2006-09-11 画像形成装置およびその制御方法

Country Status (2)

Country Link
US (1) US7750934B2 (enExample)
JP (1) JP4989163B2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US8610971B2 (en) 2010-10-20 2013-12-17 Ricoh Company, Limited Image forming apparatus
CN103229020B (zh) * 2010-11-25 2016-06-08 日本电气株式会社 带电子罗盘的便携式终端及方位计算方法
JP5679110B2 (ja) 2011-01-25 2015-03-04 株式会社リコー 画像形成装置
US8983318B2 (en) 2012-03-16 2015-03-17 Ricoh Company, Ltd. Image forming apparatus with a density sensor for detecting density fluctuations
US8929759B2 (en) 2012-05-10 2015-01-06 Ricoh Company, Limited Image forming apparatus and density change suppressing method
JP6821343B2 (ja) * 2015-07-16 2021-01-27 キヤノン株式会社 画像形成装置
JP6918558B2 (ja) * 2017-04-20 2021-08-11 キヤノン株式会社 補正情報出力装置及びそれを有するレンズ装置及びカメラ装置及びアダプタ光学装置及び撮像装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4794413A (en) * 1986-08-20 1988-12-27 Canon Kabushiki Kaisha Image recording apparatus
JP2003255652A (ja) * 2002-02-28 2003-09-10 Ricoh Co Ltd 画像形成装置
JP2004258482A (ja) 2003-02-27 2004-09-16 Canon Inc 画像形成装置
JP2004345170A (ja) 2003-05-21 2004-12-09 Canon Inc 露光装置の補正システム

Also Published As

Publication number Publication date
US7750934B2 (en) 2010-07-06
US20080062399A1 (en) 2008-03-13
JP2008065270A (ja) 2008-03-21

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