JP4960786B2 - 画像形成装置、走査光学装置、及びそれらの制御方法 - Google Patents

画像形成装置、走査光学装置、及びそれらの制御方法 Download PDF

Info

Publication number
JP4960786B2
JP4960786B2 JP2007180154A JP2007180154A JP4960786B2 JP 4960786 B2 JP4960786 B2 JP 4960786B2 JP 2007180154 A JP2007180154 A JP 2007180154A JP 2007180154 A JP2007180154 A JP 2007180154A JP 4960786 B2 JP4960786 B2 JP 4960786B2
Authority
JP
Japan
Prior art keywords
current
light
amount
light emitting
density level
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.)
Expired - Fee Related
Application number
JP2007180154A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009012433A (ja
JP2009012433A5 (enExample
Inventor
勝秀 古賀
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 JP2007180154A priority Critical patent/JP4960786B2/ja
Priority to US12/169,417 priority patent/US20090016774A1/en
Publication of JP2009012433A publication Critical patent/JP2009012433A/ja
Publication of JP2009012433A5 publication Critical patent/JP2009012433A5/ja
Application granted granted Critical
Publication of JP4960786B2 publication Critical patent/JP4960786B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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)
  • Laser Beam Printer (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Fax Reproducing Arrangements (AREA)
JP2007180154A 2007-07-09 2007-07-09 画像形成装置、走査光学装置、及びそれらの制御方法 Expired - Fee Related JP4960786B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007180154A JP4960786B2 (ja) 2007-07-09 2007-07-09 画像形成装置、走査光学装置、及びそれらの制御方法
US12/169,417 US20090016774A1 (en) 2007-07-09 2008-07-08 Image forming apparatus, scanning optical apparatus, and control methods thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007180154A JP4960786B2 (ja) 2007-07-09 2007-07-09 画像形成装置、走査光学装置、及びそれらの制御方法

Publications (3)

Publication Number Publication Date
JP2009012433A JP2009012433A (ja) 2009-01-22
JP2009012433A5 JP2009012433A5 (enExample) 2010-08-19
JP4960786B2 true JP4960786B2 (ja) 2012-06-27

Family

ID=40253242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007180154A Expired - Fee Related JP4960786B2 (ja) 2007-07-09 2007-07-09 画像形成装置、走査光学装置、及びそれらの制御方法

Country Status (2)

Country Link
US (1) US20090016774A1 (enExample)
JP (1) JP4960786B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5429934B2 (ja) * 2009-10-14 2014-02-26 オージー技研株式会社 牽引治療器の脇装具位置制御装置
JP5885472B2 (ja) * 2010-12-10 2016-03-15 キヤノン株式会社 カラー画像形成装置
JP6091668B2 (ja) * 2010-12-10 2017-03-08 キヤノン株式会社 画像形成装置
JP2015204358A (ja) * 2014-04-14 2015-11-16 株式会社リコー 半導体レーザ駆動装置及び方法
JP6378538B2 (ja) * 2014-05-21 2018-08-22 キヤノン株式会社 画像形成装置
JP6874557B2 (ja) * 2017-06-19 2021-05-19 コニカミノルタ株式会社 画像形成装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01149071A (ja) * 1987-12-07 1989-06-12 Ricoh Co Ltd 半導体レーザ制御装置
JPH04173266A (ja) * 1990-11-07 1992-06-19 Canon Inc 画像形成装置
JP3365094B2 (ja) * 1994-11-07 2003-01-08 富士ゼロックス株式会社 レーザ記録装置の光量制御装置
JPH0969662A (ja) * 1995-08-31 1997-03-11 Asahi Optical Co Ltd 光走査装置の光強度変調回路
US6259466B1 (en) * 1998-02-25 2001-07-10 Canon Kabushiki Kaisha Light source drive apparatus and image formation apparatus
JP3840794B2 (ja) * 1998-04-13 2006-11-01 富士ゼロックス株式会社 レーザ駆動装置
JP3486563B2 (ja) * 1998-12-15 2004-01-13 キヤノン株式会社 画像形成装置
JP4358378B2 (ja) * 1999-09-20 2009-11-04 東芝テック株式会社 画像形成装置
JP2001201704A (ja) * 2000-01-21 2001-07-27 Ricoh Co Ltd 光走査装置
US6885685B2 (en) * 2002-06-11 2005-04-26 Sumitomo Electric Industries, Ltd. Control system for a laser diode and a method for controlling the same
JP3880914B2 (ja) * 2002-10-31 2007-02-14 株式会社リコー 半導体レーザ駆動装置、半導体レーザ駆動方法及び半導体レーザ駆動装置を使用した画像形成装置

Also Published As

Publication number Publication date
JP2009012433A (ja) 2009-01-22
US20090016774A1 (en) 2009-01-15

Similar Documents

Publication Publication Date Title
US8164611B2 (en) Multibeam image forming
JP4960786B2 (ja) 画像形成装置、走査光学装置、及びそれらの制御方法
US8957932B2 (en) Exposure apparatus and image forming apparatus
US7196717B2 (en) Image forming apparatus, control method therefor, and program for implementing the control method
JP5747635B2 (ja) 光学装置および光学装置の制御方法、ならびに、画像形成装置
JP2003305882A (ja) レーザ制御装置及び画像形成装置
US20080018727A1 (en) Optical beam scanning apparatus, optical beam scanning method, optical beam scanning program, image forming apparatus, image forming method, image forming program
JP5855058B2 (ja) 画像形成装置
US6693658B2 (en) Light beam scanning apparatus
JP2001260412A (ja) 画像形成装置
JP2008012852A (ja) 画像形成装置
US7804514B2 (en) Light beam scanning apparatus and image forming apparatus
US6836279B2 (en) Light beam scanning apparatus and image forming apparatus
JP2005258195A (ja) 画像形成装置
JP2016212243A (ja) 画像形成光走査装置、画像形成装置および画像形成装置光走査プログラム
JP3710389B2 (ja) 画像形成装置
JP2006088362A (ja) 画像形成装置
JP6540394B2 (ja) 画像形成装置
JP3728090B2 (ja) 画像形成装置
JP3139926B2 (ja) 画像形成装置および半導体レーザ制御装置
JP2005193589A (ja) 画像形成装置
JP2021186974A (ja) 画像形成装置
JP2009196103A (ja) 画像形成装置
JP2006305811A (ja) 画像形成装置
US20070216757A1 (en) Laser beam scanning apparatus, image forming apparatus, and laser beam scanning method

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100630

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20100630

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20120221

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20120224

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20120323

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150330

Year of fee payment: 3

R151 Written notification of patent or utility model registration

Ref document number: 4960786

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

LAPS Cancellation because of no payment of annual fees