JP6921716B2 - 走査装置及び画像形成装置 - Google Patents

走査装置及び画像形成装置 Download PDF

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Publication number
JP6921716B2
JP6921716B2 JP2017217947A JP2017217947A JP6921716B2 JP 6921716 B2 JP6921716 B2 JP 6921716B2 JP 2017217947 A JP2017217947 A JP 2017217947A JP 2017217947 A JP2017217947 A JP 2017217947A JP 6921716 B2 JP6921716 B2 JP 6921716B2
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JP
Japan
Prior art keywords
light
signal
output
value
period
Prior art date
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Active
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JP2017217947A
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English (en)
Japanese (ja)
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JP2019090867A (ja
JP2019090867A5 (enExample
Inventor
田中　俊輔
俊輔 田中
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 JP2017217947A priority Critical patent/JP6921716B2/ja
Priority to US16/181,156 priority patent/US10401755B2/en
Publication of JP2019090867A publication Critical patent/JP2019090867A/ja
Publication of JP2019090867A5 publication Critical patent/JP2019090867A5/ja
Application granted granted Critical
Publication of JP6921716B2 publication Critical patent/JP6921716B2/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
    • 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
    • G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
    • 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
    • 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
    • G02B26/127—Adaptive control of the scanning light beam, e.g. using the feedback from one or more detectors

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Laser Beam Printer (AREA)
JP2017217947A 2017-11-13 2017-11-13 走査装置及び画像形成装置 Active JP6921716B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017217947A JP6921716B2 (ja) 2017-11-13 2017-11-13 走査装置及び画像形成装置
US16/181,156 US10401755B2 (en) 2017-11-13 2018-11-05 Scanning apparatus and image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017217947A JP6921716B2 (ja) 2017-11-13 2017-11-13 走査装置及び画像形成装置

Publications (3)

Publication Number Publication Date
JP2019090867A JP2019090867A (ja) 2019-06-13
JP2019090867A5 JP2019090867A5 (enExample) 2020-12-17
JP6921716B2 true JP6921716B2 (ja) 2021-08-18

Family

ID=66433315

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017217947A Active JP6921716B2 (ja) 2017-11-13 2017-11-13 走査装置及び画像形成装置

Country Status (2)

Country Link
US (1) US10401755B2 (enExample)
JP (1) JP6921716B2 (enExample)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6064419A (en) 1994-12-28 2000-05-16 Canon Kabushiki Kaisha Timings of rotational speed in a laser beam printer
JPH08276617A (ja) 1995-04-07 1996-10-22 Canon Inc レーザビームプリンタ
JPH08248336A (ja) 1995-03-07 1996-09-27 Minolta Co Ltd 画像形成装置
US5864355A (en) 1997-03-20 1999-01-26 Lexmark International, Inc. Image forming apparatus with laser calibration during ramp-up period of an optical device
JP4174172B2 (ja) * 2000-06-23 2008-10-29 キヤノン株式会社 レーザ走査装置、画像形成装置およびレーザ走査装置における立上げ方法
JP5276351B2 (ja) 2007-04-27 2013-08-28 キヤノン株式会社 画像形成装置
US7652682B2 (en) 2007-04-27 2010-01-26 Canon Kabushiki Kaisha Image forming apparatus
JP6226508B2 (ja) * 2011-09-13 2017-11-08 株式会社リコー 画像読取装置、画像形成装置及び画像読取方法
JP6497913B2 (ja) 2014-12-02 2019-04-10 キヤノン株式会社 走査光学装置及び画像形成装置

Also Published As

Publication number Publication date
JP2019090867A (ja) 2019-06-13
US20190146370A1 (en) 2019-05-16
US10401755B2 (en) 2019-09-03

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