JP5197045B2 - 光走査装置及びそれを用いた画像形成装置 - Google Patents

光走査装置及びそれを用いた画像形成装置 Download PDF

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Publication number
JP5197045B2
JP5197045B2 JP2008031521A JP2008031521A JP5197045B2 JP 5197045 B2 JP5197045 B2 JP 5197045B2 JP 2008031521 A JP2008031521 A JP 2008031521A JP 2008031521 A JP2008031521 A JP 2008031521A JP 5197045 B2 JP5197045 B2 JP 5197045B2
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Japan
Prior art keywords
scanning
imaging optical
optical element
sub
light
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Active
Application number
JP2008031521A
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English (en)
Japanese (ja)
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JP2009192680A5 (enExample
JP2009192680A (ja
Inventor
潤 五十嵐
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 JP2008031521A priority Critical patent/JP5197045B2/ja
Priority to US12/370,376 priority patent/US7791632B2/en
Publication of JP2009192680A publication Critical patent/JP2009192680A/ja
Publication of JP2009192680A5 publication Critical patent/JP2009192680A5/ja
Application granted granted Critical
Publication of JP5197045B2 publication Critical patent/JP5197045B2/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
    • G03G15/22—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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/12—Scanning systems using multifaceted mirrors
    • G02B26/123—Multibeam scanners, e.g. using multiple light sources or beam splitters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/12—Scanning systems using multifaceted mirrors
    • G02B26/125—Details of the optical system between the polygonal mirror and the image plane
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0018—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for preventing ghost images
    • 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
    • G03G15/0435—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 by introducing an optical element in the optical path, e.g. a filter
    • 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
    • G03G2215/0404—Laser

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Laser Beam Printer (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Lenses (AREA)
JP2008031521A 2008-02-13 2008-02-13 光走査装置及びそれを用いた画像形成装置 Active JP5197045B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008031521A JP5197045B2 (ja) 2008-02-13 2008-02-13 光走査装置及びそれを用いた画像形成装置
US12/370,376 US7791632B2 (en) 2008-02-13 2009-02-12 Optical scanning device and image forming apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008031521A JP5197045B2 (ja) 2008-02-13 2008-02-13 光走査装置及びそれを用いた画像形成装置

Publications (3)

Publication Number Publication Date
JP2009192680A JP2009192680A (ja) 2009-08-27
JP2009192680A5 JP2009192680A5 (enExample) 2011-03-31
JP5197045B2 true JP5197045B2 (ja) 2013-05-15

Family

ID=40938980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008031521A Active JP5197045B2 (ja) 2008-02-13 2008-02-13 光走査装置及びそれを用いた画像形成装置

Country Status (2)

Country Link
US (1) US7791632B2 (enExample)
JP (1) JP5197045B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010271570A (ja) * 2009-05-22 2010-12-02 Canon Inc 光走査装置及びそれを用いたカラー画像形成装置
JP5661507B2 (ja) * 2011-02-28 2015-01-28 キヤノン株式会社 走査光学装置及びそれを用いた画像形成装置
JP5787661B2 (ja) * 2011-08-02 2015-09-30 キヤノン株式会社 走査光学装置及びそれを用いた画像形成装置
JP6147067B2 (ja) * 2013-04-15 2017-06-14 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
JP6478560B2 (ja) * 2014-10-29 2019-03-06 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
JP6212528B2 (ja) 2015-11-06 2017-10-11 キヤノン株式会社 光走査装置
US12487448B2 (en) * 2021-12-06 2025-12-02 Brother Kogyo Kabushiki Kaisha Scanning optical device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3566474B2 (ja) * 1996-11-18 2004-09-15 株式会社リコー 光ビーム走査装置
JP3862950B2 (ja) * 2000-10-20 2006-12-27 株式会社リコー 光書込装置及び画像形成装置
JP4154152B2 (ja) 2002-01-09 2008-09-24 キヤノン株式会社 光走査装置及びそれを用いたカラー画像形成装置
JP4430855B2 (ja) * 2002-07-23 2010-03-10 Ｈｏｙａ株式会社 走査光学系
JP5013652B2 (ja) * 2003-06-13 2012-08-29 キヤノン株式会社 走査式光学装置
JP2006030706A (ja) * 2004-07-16 2006-02-02 Ricoh Co Ltd 光書込装置及びその光書込装置を有する画像形成装置
JP4500633B2 (ja) * 2004-09-07 2010-07-14 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
JP4898203B2 (ja) * 2005-12-06 2012-03-14 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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Publication number Publication date
US7791632B2 (en) 2010-09-07
US20090202273A1 (en) 2009-08-13
JP2009192680A (ja) 2009-08-27

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