JP7417425B2 - 光走査装置及び画像形成装置 - Google Patents

光走査装置及び画像形成装置 Download PDF

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Publication number
JP7417425B2
JP7417425B2 JP2020004152A JP2020004152A JP7417425B2 JP 7417425 B2 JP7417425 B2 JP 7417425B2 JP 2020004152 A JP2020004152 A JP 2020004152A JP 2020004152 A JP2020004152 A JP 2020004152A JP 7417425 B2 JP7417425 B2 JP 7417425B2
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Prior art keywords
optical
section
scanning
sub
light beam
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JP2020004152A
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Japanese (ja)
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JP2021110891A5 (enExample
JP2021110891A (ja
Inventor
悠 宮島
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Canon Inc
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Canon Inc
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Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2020004152A priority Critical patent/JP7417425B2/ja
Priority to US17/140,356 priority patent/US11381703B2/en
Publication of JP2021110891A publication Critical patent/JP2021110891A/ja
Publication of JP2021110891A5 publication Critical patent/JP2021110891A5/ja
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    • 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815—Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02885—Means for compensating spatially uneven illumination, e.g. an aperture arrangement
    • H04N1/0289—Light diffusing elements, e.g. plates or filters
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Laser Beam Printer (AREA)
  • Mechanical Optical Scanning Systems (AREA)
JP2020004152A 2020-01-15 2020-01-15 光走査装置及び画像形成装置 Active JP7417425B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020004152A JP7417425B2 (ja) 2020-01-15 2020-01-15 光走査装置及び画像形成装置
US17/140,356 US11381703B2 (en) 2020-01-15 2021-01-04 Light scanning apparatus and image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020004152A JP7417425B2 (ja) 2020-01-15 2020-01-15 光走査装置及び画像形成装置

Publications (3)

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JP2021110891A JP2021110891A (ja) 2021-08-02
JP2021110891A5 JP2021110891A5 (enExample) 2023-01-24
JP7417425B2 true JP7417425B2 (ja) 2024-01-18

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ID=76760602

Family Applications (1)

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JP2020004152A Active JP7417425B2 (ja) 2020-01-15 2020-01-15 光走査装置及び画像形成装置

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US (1) US11381703B2 (enExample)
JP (1) JP7417425B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7417425B2 (ja) * 2020-01-15 2024-01-18 キヤノン株式会社 光走査装置及び画像形成装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060198403A1 (en) 2005-03-07 2006-09-07 Lexmark International, Inc. Laser scanning unit including a shield
JP2007225948A (ja) 2006-02-24 2007-09-06 Fujifilm Corp 光走査装置
JP2014048313A (ja) 2012-08-29 2014-03-17 Ricoh Co Ltd 光走査装置及び画像形成装置
JP2014206673A (ja) 2013-04-15 2014-10-30 キヤノン株式会社 光走査装置及びそれを用いた画像形成装置
JP2016085433A (ja) 2014-10-29 2016-05-19 キヤノン株式会社 光走査装置及びそれを用いた画像形成装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5963355A (en) 1997-11-17 1999-10-05 Asahi Kogaku Kogyo Kabushiki Kaisha Optical scanning system with single element refractive/reflective Fθlθ lens
JP4817526B2 (ja) 2001-04-24 2011-11-16 キヤノン株式会社 光走査装置及びそれを用いた画像形成装置
JP2004070109A (ja) 2002-08-08 2004-03-04 Canon Inc 光走査装置及びそれを用いた画像形成装置
JP5441835B2 (ja) * 2010-06-29 2014-03-12 キヤノン株式会社 画像形成装置
JP6312525B2 (ja) * 2014-05-21 2018-04-18 キヤノン株式会社 光走査装置
JP2016130757A (ja) 2015-01-13 2016-07-21 キヤノン株式会社 レンズアレイ光学系及びそれを有する画像形成装置及び画像読取装置
US9645522B2 (en) * 2015-03-31 2017-05-09 Canon Kabushiki Kaisha Optical scanning apparatus
US9817332B2 (en) * 2015-07-27 2017-11-14 Canon Kabushiki Kaisha Optical scanning device and image forming apparatus including the same
JP6212528B2 (ja) * 2015-11-06 2017-10-11 キヤノン株式会社 光走査装置
JP6643050B2 (ja) 2015-11-11 2020-02-12 キヤノン株式会社 照明装置、それを備える分光測色装置及び画像形成装置
JP6230586B2 (ja) * 2015-11-26 2017-11-15 キヤノン株式会社 光走査装置及びそれを備える画像形成装置
JP2017173577A (ja) 2016-03-24 2017-09-28 キヤノン株式会社 結像光学系
US10025220B2 (en) * 2016-04-08 2018-07-17 Canon Kabushiki Kaisha Optical scanning apparatus
JP2018124325A (ja) 2017-01-30 2018-08-09 キヤノン株式会社 光走査装置及びそれを備える画像形成装置
JP6914721B2 (ja) 2017-05-10 2021-08-04 キヤノン株式会社 判別装置及び画像形成装置
JP2019095400A (ja) 2017-11-28 2019-06-20 キヤノン株式会社 導光体、検出器、分光測色装置及び画像形成装置
JP7134783B2 (ja) 2018-08-20 2022-09-12 キヤノン株式会社 光走査装置及び画像形成装置
JP7137401B2 (ja) 2018-08-20 2022-09-14 キヤノン株式会社 光走査装置及び画像形成装置
JP7277264B2 (ja) 2019-06-05 2023-05-18 キヤノン株式会社 判別装置及び画像形成装置
JP7417425B2 (ja) * 2020-01-15 2024-01-18 キヤノン株式会社 光走査装置及び画像形成装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060198403A1 (en) 2005-03-07 2006-09-07 Lexmark International, Inc. Laser scanning unit including a shield
JP2007225948A (ja) 2006-02-24 2007-09-06 Fujifilm Corp 光走査装置
JP2014048313A (ja) 2012-08-29 2014-03-17 Ricoh Co Ltd 光走査装置及び画像形成装置
JP2014206673A (ja) 2013-04-15 2014-10-30 キヤノン株式会社 光走査装置及びそれを用いた画像形成装置
JP2016085433A (ja) 2014-10-29 2016-05-19 キヤノン株式会社 光走査装置及びそれを用いた画像形成装置

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US20210218859A1 (en) 2021-07-15
JP2021110891A (ja) 2021-08-02
US11381703B2 (en) 2022-07-05

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