JP7016647B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP7016647B2
JP7016647B2 JP2017169296A JP2017169296A JP7016647B2 JP 7016647 B2 JP7016647 B2 JP 7016647B2 JP 2017169296 A JP2017169296 A JP 2017169296A JP 2017169296 A JP2017169296 A JP 2017169296A JP 7016647 B2 JP7016647 B2 JP 7016647B2
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JP
Japan
Prior art keywords
signal
photoconductor
image forming
image
forming apparatus
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.)
Active
Application number
JP2017169296A
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English (en)
Japanese (ja)
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JP2019045711A (ja
JP2019045711A5 (https=
Inventor
和則 三宅
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 JP2017169296A priority Critical patent/JP7016647B2/ja
Priority to US16/115,319 priority patent/US10503092B2/en
Publication of JP2019045711A publication Critical patent/JP2019045711A/ja
Publication of JP2019045711A5 publication Critical patent/JP2019045711A5/ja
Application granted granted Critical
Publication of JP7016647B2 publication Critical patent/JP7016647B2/ja
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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
    • G03G15/04—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
    • 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
    • G02B26/121—Mechanical drive devices for polygonal mirrors
    • 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
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/095—Refractive optical elements
    • G02B27/0955—Lenses
    • 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
    • G02B27/30—Collimators
    • 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
    • G03G15/04045—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers
    • G03G15/04054—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers by LED arrays
    • 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
    • G03G15/04045—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers
    • G03G15/04072—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers by laser
    • 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
    • G03G15/04081—Exposure from behind the photoconductive surface

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Color Electrophotography (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Laser Beam Printer (AREA)
JP2017169296A 2017-09-04 2017-09-04 画像形成装置 Active JP7016647B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017169296A JP7016647B2 (ja) 2017-09-04 2017-09-04 画像形成装置
US16/115,319 US10503092B2 (en) 2017-09-04 2018-08-28 Image forming apparatus that performs exposure for discharging photoconductive drum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017169296A JP7016647B2 (ja) 2017-09-04 2017-09-04 画像形成装置

Publications (3)

Publication Number Publication Date
JP2019045711A JP2019045711A (ja) 2019-03-22
JP2019045711A5 JP2019045711A5 (https=) 2020-10-22
JP7016647B2 true JP7016647B2 (ja) 2022-02-07

Family

ID=65518008

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017169296A Active JP7016647B2 (ja) 2017-09-04 2017-09-04 画像形成装置

Country Status (2)

Country Link
US (1) US10503092B2 (https=)
JP (1) JP7016647B2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023136504A (ja) * 2022-03-17 2023-09-29 キヤノン株式会社 画像形成装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003039733A (ja) 2001-08-03 2003-02-13 Ricoh Co Ltd 光走査装置及び画像形成装置
JP2007001234A (ja) 2005-06-27 2007-01-11 Konica Minolta Business Technologies Inc 画像形成方法および画像形成装置
JP2007121436A (ja) 2005-10-25 2007-05-17 Ricoh Co Ltd 書き込み制御ｉｃ、光書き込み装置、及び画像形成装置
US20120002985A1 (en) 2010-06-30 2012-01-05 Toshiba Tec Kabushiki Kaisha Image Forming Apparatus and Method
JP2013063540A (ja) 2011-09-16 2013-04-11 Ricoh Co Ltd 光走査装置および画像形成装置
JP2013218029A (ja) 2012-04-05 2013-10-24 Ricoh Co Ltd 画像形成装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5729626A (en) * 1993-12-28 1998-03-17 Minolta Co., Ltd. Digital image forming apparatus
JP3261846B2 (ja) * 1993-12-29 2002-03-04 ミノルタ株式会社 デジタル画像形成装置
JP5354891B2 (ja) * 2007-11-22 2013-11-27 キヤノン株式会社 画像形成装置
JP5842350B2 (ja) * 2011-03-18 2016-01-13 株式会社リコー 光源制御装置および光源制御方法、ならびに、画像読取装置および画像形成装置
JP6213045B2 (ja) * 2013-08-21 2017-10-18 株式会社リコー 光走査装置、画像形成装置、及び光走査方法
US9664901B2 (en) * 2015-09-29 2017-05-30 Lexmark International, Inc. Collimation assembly for an imaging device
JP6622499B2 (ja) 2015-07-28 2019-12-18 キヤノン株式会社 画像形成装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003039733A (ja) 2001-08-03 2003-02-13 Ricoh Co Ltd 光走査装置及び画像形成装置
JP2007001234A (ja) 2005-06-27 2007-01-11 Konica Minolta Business Technologies Inc 画像形成方法および画像形成装置
JP2007121436A (ja) 2005-10-25 2007-05-17 Ricoh Co Ltd 書き込み制御ｉｃ、光書き込み装置、及び画像形成装置
US20120002985A1 (en) 2010-06-30 2012-01-05 Toshiba Tec Kabushiki Kaisha Image Forming Apparatus and Method
JP2013063540A (ja) 2011-09-16 2013-04-11 Ricoh Co Ltd 光走査装置および画像形成装置
JP2013218029A (ja) 2012-04-05 2013-10-24 Ricoh Co Ltd 画像形成装置

Also Published As

Publication number Publication date
US10503092B2 (en) 2019-12-10
JP2019045711A (ja) 2019-03-22
US20190072871A1 (en) 2019-03-07

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