JP7481892B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP7481892B2
JP7481892B2 JP2020080691A JP2020080691A JP7481892B2 JP 7481892 B2 JP7481892 B2 JP 7481892B2 JP 2020080691 A JP2020080691 A JP 2020080691A JP 2020080691 A JP2020080691 A JP 2020080691A JP 7481892 B2 JP7481892 B2 JP 7481892B2
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Japan
Prior art keywords
light
receiving element
amplification factor
light receiving
detection
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JP2020080691A
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English (en)
Japanese (ja)
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JP2021173978A5 (enExample
JP2021173978A (ja
Inventor
隆一 荒木
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
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Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2020080691A priority Critical patent/JP7481892B2/ja
Priority to US17/242,045 priority patent/US11630408B2/en
Publication of JP2021173978A publication Critical patent/JP2021173978A/ja
Publication of JP2021173978A5 publication Critical patent/JP2021173978A5/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
    • G03G15/50—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Color Electrophotography (AREA)
JP2020080691A 2020-04-30 2020-04-30 画像形成装置 Active JP7481892B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020080691A JP7481892B2 (ja) 2020-04-30 2020-04-30 画像形成装置
US17/242,045 US11630408B2 (en) 2020-04-30 2021-04-27 Apparatus and method for adjusting output value of optical sensor having light-receiving element that receives regularly-reflected light and diffusely-reflected light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020080691A JP7481892B2 (ja) 2020-04-30 2020-04-30 画像形成装置

Publications (3)

Publication Number Publication Date
JP2021173978A JP2021173978A (ja) 2021-11-01
JP2021173978A5 JP2021173978A5 (enExample) 2023-05-16
JP7481892B2 true JP7481892B2 (ja) 2024-05-13

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ID=78281746

Family Applications (1)

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JP2020080691A Active JP7481892B2 (ja) 2020-04-30 2020-04-30 画像形成装置

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US (1) US11630408B2 (enExample)
JP (1) JP7481892B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7738509B2 (ja) * 2022-03-24 2025-09-12 キヤノン株式会社 画像形成装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004093972A (ja) 2002-08-30 2004-03-25 Sharp Corp 画像形成制御方法及び画像形成装置
JP2007121414A (ja) 2005-10-25 2007-05-17 Canon Inc 画像形成装置
JP2010190695A (ja) 2009-02-18 2010-09-02 Kyocera Mita Corp 濃度測定装置及びこれを備えた画像形成装置
JP2015079070A (ja) 2013-10-16 2015-04-23 シャープ株式会社 画像形成装置
US20160026145A1 (en) 2014-07-24 2016-01-28 Samsung Electronics Co., Ltd. Image forming apparatus and method
JP2018101100A (ja) 2016-12-21 2018-06-28 キヤノン株式会社 画像形成装置、センサの出力調整方法
JP2019053216A (ja) 2017-09-15 2019-04-04 キヤノン株式会社 画像形成装置
JP2020042120A (ja) 2018-09-10 2020-03-19 キヤノン株式会社 画像形成装置、光学センサ

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100607991B1 (ko) * 2004-07-07 2006-08-02 삼성전자주식회사 화상제어장치용 광센서의 광량편차보정방법 및 인쇄기의화상제어장치
US8301049B2 (en) * 2007-11-19 2012-10-30 Lexmark International, Inc. Characterization of toner patch sensor in an image forming device
JP2011107613A (ja) 2009-11-20 2011-06-02 Fuji Xerox Co Ltd 画像形成装置および処理プログラム
JP5896686B2 (ja) * 2010-11-01 2016-03-30 キヤノン株式会社 トナー付着量測定装置及びその測定方法、並びに、画像形成装置
JP2013120215A (ja) * 2011-12-06 2013-06-17 Canon Inc 画像形成装置
JP6045963B2 (ja) * 2013-04-05 2016-12-14 日立マクセル株式会社 光測距装置
JP6149659B2 (ja) * 2013-09-30 2017-06-21 オムロン株式会社 光学センサ、画像形成装置、およびトナー濃度補正方法
JP6793449B2 (ja) * 2015-11-06 2020-12-02 キヤノン株式会社 画像形成装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004093972A (ja) 2002-08-30 2004-03-25 Sharp Corp 画像形成制御方法及び画像形成装置
JP2007121414A (ja) 2005-10-25 2007-05-17 Canon Inc 画像形成装置
JP2010190695A (ja) 2009-02-18 2010-09-02 Kyocera Mita Corp 濃度測定装置及びこれを備えた画像形成装置
JP2015079070A (ja) 2013-10-16 2015-04-23 シャープ株式会社 画像形成装置
US20160026145A1 (en) 2014-07-24 2016-01-28 Samsung Electronics Co., Ltd. Image forming apparatus and method
JP2018101100A (ja) 2016-12-21 2018-06-28 キヤノン株式会社 画像形成装置、センサの出力調整方法
JP2019053216A (ja) 2017-09-15 2019-04-04 キヤノン株式会社 画像形成装置
JP2020042120A (ja) 2018-09-10 2020-03-19 キヤノン株式会社 画像形成装置、光学センサ

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Publication number Publication date
US20210341866A1 (en) 2021-11-04
JP2021173978A (ja) 2021-11-01
US11630408B2 (en) 2023-04-18

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