JP6881926B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP6881926B2
JP6881926B2 JP2016185367A JP2016185367A JP6881926B2 JP 6881926 B2 JP6881926 B2 JP 6881926B2 JP 2016185367 A JP2016185367 A JP 2016185367A JP 2016185367 A JP2016185367 A JP 2016185367A JP 6881926 B2 JP6881926 B2 JP 6881926B2
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JP
Japan
Prior art keywords
light beam
image
light
density
pwm signal
Prior art date
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Active
Application number
JP2016185367A
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English (en)
Japanese (ja)
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JP2018049204A5 (enExample
JP2018049204A (ja
Inventor
悟 竹澤
悟 竹澤
孝博 上倉
孝博 上倉
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
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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 JP2016185367A priority Critical patent/JP6881926B2/ja
Priority to US15/710,047 priority patent/US10394159B2/en
Priority to CN201710865144.7A priority patent/CN107870540B/zh
Publication of JP2018049204A publication Critical patent/JP2018049204A/ja
Publication of JP2018049204A5 publication Critical patent/JP2018049204A5/ja
Application granted granted Critical
Publication of JP6881926B2 publication Critical patent/JP6881926B2/ja
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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
    • G03G15/04—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
    • 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
    • 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
    • G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Laser Beam Printer (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Color Electrophotography (AREA)
JP2016185367A 2016-09-23 2016-09-23 画像形成装置 Active JP6881926B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2016185367A JP6881926B2 (ja) 2016-09-23 2016-09-23 画像形成装置
US15/710,047 US10394159B2 (en) 2016-09-23 2017-09-20 Image forming apparatus
CN201710865144.7A CN107870540B (zh) 2016-09-23 2017-09-22 图像形成装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016185367A JP6881926B2 (ja) 2016-09-23 2016-09-23 画像形成装置

Publications (3)

Publication Number Publication Date
JP2018049204A JP2018049204A (ja) 2018-03-29
JP2018049204A5 JP2018049204A5 (enExample) 2019-10-31
JP6881926B2 true JP6881926B2 (ja) 2021-06-02

Family

ID=61686126

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016185367A Active JP6881926B2 (ja) 2016-09-23 2016-09-23 画像形成装置

Country Status (3)

Country Link
US (1) US10394159B2 (enExample)
JP (1) JP6881926B2 (enExample)
CN (1) CN107870540B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6869928B2 (ja) 2018-08-07 2021-05-12 キヤノン株式会社 画像形成装置
JP7172493B2 (ja) * 2018-11-19 2022-11-16 コニカミノルタ株式会社 画像形成装置、画像形成装置のシェーディング補正方法およびシェーディング補正プログラム
JP7361578B2 (ja) * 2019-11-21 2023-10-16 キヤノン株式会社 画像形成装置及び画像処理装置
CN118605098A (zh) * 2024-05-31 2024-09-06 珠海奔图电子有限公司 激光扫描单元、图像形成装置及扫描控制方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2675057B2 (ja) * 1988-04-08 1997-11-12 株式会社日立製作所 情報印刷装置
JP4125032B2 (ja) * 2002-04-12 2008-07-23 キヤノン株式会社 レーザ制御装置及び画像形成装置
JP2004333581A (ja) * 2003-04-30 2004-11-25 Ricoh Co Ltd 画像濃度制御方法および画像形成装置
US7403214B2 (en) * 2006-02-21 2008-07-22 Lexmark International, Inc. Systems and methods for adjusting the dynamic range of a scanning laser beam
JP2008040382A (ja) * 2006-08-10 2008-02-21 Seiko Epson Corp 画像形成装置及び画像形成装置のキャリブレーション方法
JP5754955B2 (ja) * 2011-01-26 2015-07-29 キヤノン株式会社 画像形成装置
JP5543404B2 (ja) * 2011-05-24 2014-07-09 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
JP2013045051A (ja) * 2011-08-26 2013-03-04 Sharp Corp 画像形成装置
JP5988815B2 (ja) * 2011-10-28 2016-09-07 キヤノン株式会社 画像形成装置
JP2013233686A (ja) * 2012-05-07 2013-11-21 Canon Inc レーザー駆動装置および画像形成装置
JP6226638B2 (ja) 2013-08-22 2017-11-08 キヤノン株式会社 画像形成装置およびその制御方法
JP5920297B2 (ja) * 2013-09-12 2016-05-18 コニカミノルタ株式会社 湿式画像形成装置
JP6103260B2 (ja) * 2015-01-07 2017-03-29 コニカミノルタ株式会社 画像形成装置

Also Published As

Publication number Publication date
CN107870540A (zh) 2018-04-03
US20180088484A1 (en) 2018-03-29
CN107870540B (zh) 2021-08-17
US10394159B2 (en) 2019-08-27
JP2018049204A (ja) 2018-03-29

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