JP4497620B2 - クロック制御装置及び方法とそれを用いた画像形成装置 - Google Patents

クロック制御装置及び方法とそれを用いた画像形成装置 Download PDF

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Publication number
JP4497620B2
JP4497620B2 JP2000030512A JP2000030512A JP4497620B2 JP 4497620 B2 JP4497620 B2 JP 4497620B2 JP 2000030512 A JP2000030512 A JP 2000030512A JP 2000030512 A JP2000030512 A JP 2000030512A JP 4497620 B2 JP4497620 B2 JP 4497620B2
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JP
Japan
Prior art keywords
clock
synchronization signal
synchronization
output
main scanning
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
JP2000030512A
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English (en)
Japanese (ja)
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JP2001221965A (ja
JP2001221965A5 (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 JP2000030512A priority Critical patent/JP4497620B2/ja
Priority to US09/777,659 priority patent/US6512534B2/en
Publication of JP2001221965A publication Critical patent/JP2001221965A/ja
Publication of JP2001221965A5 publication Critical patent/JP2001221965A5/ja
Application granted granted Critical
Publication of JP4497620B2 publication Critical patent/JP4497620B2/ja
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Expired - Fee Related legal-status Critical Current

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    • 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
    • G06K15/1219—Detection, control or error compensation of scanning velocity or position, e.g. synchronisation

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Laser Beam Printer (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Mechanical Optical Scanning Systems (AREA)
JP2000030512A 2000-02-08 2000-02-08 クロック制御装置及び方法とそれを用いた画像形成装置 Expired - Fee Related JP4497620B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000030512A JP4497620B2 (ja) 2000-02-08 2000-02-08 クロック制御装置及び方法とそれを用いた画像形成装置
US09/777,659 US6512534B2 (en) 2000-02-08 2001-02-07 Clock control apparatus and method and image forming apparatus using clock control apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000030512A JP4497620B2 (ja) 2000-02-08 2000-02-08 クロック制御装置及び方法とそれを用いた画像形成装置

Publications (3)

Publication Number Publication Date
JP2001221965A JP2001221965A (ja) 2001-08-17
JP2001221965A5 JP2001221965A5 (enExample) 2007-03-29
JP4497620B2 true JP4497620B2 (ja) 2010-07-07

Family

ID=18555512

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000030512A Expired - Fee Related JP4497620B2 (ja) 2000-02-08 2000-02-08 クロック制御装置及び方法とそれを用いた画像形成装置

Country Status (2)

Country Link
US (1) US6512534B2 (enExample)
JP (1) JP4497620B2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7003031B1 (en) * 1999-04-23 2006-02-21 Fuji Photo Film Co., Ltd. Pulse width modulating device and exposure device
US6831944B1 (en) * 1999-09-14 2004-12-14 Interdigital Technology Corporation Reduced computation in joint detection
US6573918B2 (en) * 2000-08-22 2003-06-03 Ricoh Company, Ltd. Image forming apparatus having a plurality of image data interfaces
JP4027133B2 (ja) * 2002-03-22 2007-12-26 キヤノン株式会社 画像処理装置
US7283151B2 (en) * 2002-05-27 2007-10-16 Ricoh Company, Ltd. Pixel clock generation device causing state transition of pixel clock according to detected state transition and phase data indicating phase shift amount
JP2006159647A (ja) * 2004-12-07 2006-06-22 Canon Inc 画像形成装置及びその方法
JP5276351B2 (ja) * 2007-04-27 2013-08-28 キヤノン株式会社 画像形成装置
JP5181860B2 (ja) * 2008-06-17 2013-04-10 セイコーエプソン株式会社 パルス幅変調信号生成装置およびそれを備えた画像表示装置、並びにパルス幅変調信号生成方法
JP6065556B2 (ja) * 2011-12-19 2017-01-25 株式会社リコー 画像形成装置、画像形成装置の調整方法、画像形成装置の生産方法、及び画像形成システム
JP6007944B2 (ja) 2014-05-22 2016-10-19 コニカミノルタ株式会社 信号処理装置及び信号処理方法並びに画像形成装置
KR20190107431A (ko) * 2018-03-12 2019-09-20 삼성전기주식회사 개선된 분해능을 갖는 pwm 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4962431A (en) * 1987-05-08 1990-10-09 Ricoh Company, Ltd. Synchronizing signal generating system for laser scanner
JPH05236226A (ja) * 1992-02-21 1993-09-10 Matsushita Electric Ind Co Ltd カラー画像形成装置
JPH07128601A (ja) * 1993-11-08 1995-05-19 Fuji Xerox Co Ltd 光走査装置
JPH1155477A (ja) * 1997-07-31 1999-02-26 Canon Inc 画像形成装置およびその方法

Also Published As

Publication number Publication date
US6512534B2 (en) 2003-01-28
JP2001221965A (ja) 2001-08-17
US20020003568A1 (en) 2002-01-10

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