JP3667205B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP3667205B2
JP3667205B2 JP2000220522A JP2000220522A JP3667205B2 JP 3667205 B2 JP3667205 B2 JP 3667205B2 JP 2000220522 A JP2000220522 A JP 2000220522A JP 2000220522 A JP2000220522 A JP 2000220522A JP 3667205 B2 JP3667205 B2 JP 3667205B2
Authority
JP
Japan
Prior art keywords
image forming
scanning
light beam
light
image
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
JP2000220522A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001105658A (ja
JP2001105658A5 (enExample
Inventor
英美 高山
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 JP2000220522A priority Critical patent/JP3667205B2/ja
Priority to US09/625,854 priority patent/US6504558B1/en
Priority to DE60017645T priority patent/DE60017645T2/de
Priority to EP00116309A priority patent/EP1075137B1/en
Publication of JP2001105658A publication Critical patent/JP2001105658A/ja
Application granted granted Critical
Publication of JP3667205B2 publication Critical patent/JP3667205B2/ja
Publication of JP2001105658A5 publication Critical patent/JP2001105658A5/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
    • H04N1/4005—Circuits exciting or modulating particular heads for reproducing continuous tone value scales with regulating circuits, e.g. dependent upon ambient temperature or feedback control
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1204—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers involving the fast moving of an optical beam in the main scanning direction
    • G06K15/1209—Intensity control of the optical beam
    • 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
    • H04N1/23—Reproducing arrangements
    • H04N1/29—Reproducing arrangements involving production of an electrostatic intermediate picture
    • H04N1/295—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity
    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
    • H04N1/40037—Circuits exciting or modulating particular heads for reproducing continuous tone value scales the reproducing element being a laser
    • 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
    • H04N1/113—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors
    • H04N1/1135—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors for the main-scan only

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Laser Beam Printer (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Fax Reproducing Arrangements (AREA)
JP2000220522A 1999-07-30 2000-07-21 画像形成装置 Expired - Fee Related JP3667205B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2000220522A JP3667205B2 (ja) 1999-07-30 2000-07-21 画像形成装置
US09/625,854 US6504558B1 (en) 1999-07-30 2000-07-26 Image forming apparatus with laser emission control
DE60017645T DE60017645T2 (de) 1999-07-30 2000-07-27 Bilderzeugungsvorrichtung
EP00116309A EP1075137B1 (en) 1999-07-30 2000-07-27 Image forming apparatus

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP21726599 1999-07-30
JP11-217265 1999-07-30
JP2000220522A JP3667205B2 (ja) 1999-07-30 2000-07-21 画像形成装置

Publications (3)

Publication Number Publication Date
JP2001105658A JP2001105658A (ja) 2001-04-17
JP3667205B2 true JP3667205B2 (ja) 2005-07-06
JP2001105658A5 JP2001105658A5 (enExample) 2005-07-21

Family

ID=26521925

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000220522A Expired - Fee Related JP3667205B2 (ja) 1999-07-30 2000-07-21 画像形成装置

Country Status (4)

Country Link
US (1) US6504558B1 (enExample)
EP (1) EP1075137B1 (enExample)
JP (1) JP3667205B2 (enExample)
DE (1) DE60017645T2 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4677124B2 (ja) * 2001-06-06 2011-04-27 キヤノン株式会社 光走査装置及び画像形成装置
JP2004240266A (ja) * 2003-02-07 2004-08-26 Canon Inc 光走査装置及びそれを用いたカラー画像形成装置
US7031039B2 (en) * 2003-07-30 2006-04-18 Canon Kabushiki Kaisha Optical scanning apparatus and image forming apparatus using the same
JP4324019B2 (ja) * 2004-06-02 2009-09-02 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
JP4642627B2 (ja) 2005-10-12 2011-03-02 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
JP5043345B2 (ja) 2006-02-14 2012-10-10 キヤノン株式会社 画像形成装置
JP2011107464A (ja) * 2009-11-18 2011-06-02 Fuji Xerox Co Ltd 光走査装置、画像形成装置
JP2012194367A (ja) * 2011-03-16 2012-10-11 Ricoh Co Ltd 光走査装置及び画像形成装置
JP5740334B2 (ja) * 2012-03-28 2015-06-24 京セラドキュメントソリューションズ株式会社 光走査装置及び画像形成装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379631A (en) * 1979-06-08 1983-04-12 Canon Kabushiki Kaisha Apparatus having a copier function and a printer function
US4443695A (en) * 1980-01-25 1984-04-17 Canon Kabushiki Kaisha Apparatus for controlling the quantity of light
JPS638671A (ja) * 1986-06-30 1988-01-14 Canon Inc レ−ザビ−ムプリンタ
US4967284A (en) * 1987-10-19 1990-10-30 Ricoh Company, Ltd. Image forming apparatus and method of controlling output of semiconductor laser
JP2629281B2 (ja) * 1988-07-11 1997-07-09 ミノルタ株式会社 レーザ走査装置
EP0358171B1 (en) * 1988-09-06 1996-03-06 Canon Kabushiki Kaisha Light intensity control apparatus
JPH02148064A (ja) * 1988-11-30 1990-06-06 Canon Inc 画像記録装置
JPH04189065A (ja) * 1990-11-22 1992-07-07 Hitachi Ltd 画像印刷装置
JPH04247477A (ja) 1991-02-01 1992-09-03 Canon Inc 画像記録装置
JP2908657B2 (ja) * 1992-05-18 1999-06-21 株式会社リコー 半導体レーザアレイ記録装置
JP3050102B2 (ja) * 1995-09-29 2000-06-12 富士ゼロックス株式会社 光ビーム焦点位置検出装置、光ビーム照射装置、および光ビーム記録装置
JP3423550B2 (ja) * 1996-12-13 2003-07-07 キヤノン株式会社 Ａｐｃ制御の引込方法及び画像形成装置

Also Published As

Publication number Publication date
EP1075137B1 (en) 2005-01-26
EP1075137A3 (en) 2003-11-26
US6504558B1 (en) 2003-01-07
JP2001105658A (ja) 2001-04-17
DE60017645T2 (de) 2005-12-22
DE60017645D1 (de) 2005-03-03
EP1075137A2 (en) 2001-02-07

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