ATE293803T1 - Bilderzeugungsgerät und verfahren - Google Patents

Bilderzeugungsgerät und verfahren

Info

Publication number
ATE293803T1
ATE293803T1 AT00306133T AT00306133T ATE293803T1 AT E293803 T1 ATE293803 T1 AT E293803T1 AT 00306133 T AT00306133 T AT 00306133T AT 00306133 T AT00306133 T AT 00306133T AT E293803 T1 ATE293803 T1 AT E293803T1
Authority
AT
Austria
Prior art keywords
bias
development bias
electrifying
calculation
patch images
Prior art date
Application number
AT00306133T
Other languages
English (en)
Inventor
Hiroshi Nakazato
Takashi Hama
Original Assignee
Seiko Epson Corp
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
Priority claimed from JP21365499A external-priority patent/JP3250549B2/ja
Priority claimed from JP2000167282A external-priority patent/JP3843701B2/ja
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Application granted granted Critical
Publication of ATE293803T1 publication Critical patent/ATE293803T1/de

Links

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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/065—Arrangements for controlling the potential of the developing electrode
    • 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
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
    • G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch
    • 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
    • G03G2215/00025—Machine control, e.g. regulating different parts of the machine
    • G03G2215/00029—Image density detection
    • G03G2215/00033—Image density detection on recording member
    • G03G2215/00037—Toner image detection
    • G03G2215/00042—Optical detection
    • 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
    • G03G2215/01—Apparatus for electrophotographic processes for producing multicoloured copies
    • G03G2215/0167—Apparatus for electrophotographic processes for producing multicoloured copies single electrographic recording member
    • G03G2215/0174—Apparatus for electrophotographic processes for producing multicoloured copies single electrographic recording member plural rotations of recording member to produce multicoloured copy

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Developing For Electrophotography (AREA)
  • Display Devices Of Pinball Game Machines (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
AT00306133T 1999-07-28 2000-07-19 Bilderzeugungsgerät und verfahren ATE293803T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP21365499A JP3250549B2 (ja) 1999-07-28 1999-07-28 画像形成装置および画像形成方法
JP21365399 1999-07-28
JP2000167282A JP3843701B2 (ja) 1999-07-28 2000-06-05 画像形成装置および画像形成方法

Publications (1)

Publication Number Publication Date
ATE293803T1 true ATE293803T1 (de) 2005-05-15

Family

ID=27329529

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00306133T ATE293803T1 (de) 1999-07-28 2000-07-19 Bilderzeugungsgerät und verfahren

Country Status (4)

Country Link
US (2) US6336008B1 (de)
EP (1) EP1074894B1 (de)
AT (1) ATE293803T1 (de)
DE (1) DE60019509T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1074894B1 (de) * 1999-07-28 2005-04-20 Seiko Epson Corporation Bilderzeugungsgerät und Verfahren
EP1229398A3 (de) 2001-01-12 2002-10-16 Seiko Epson Corporation Verfahren und Vorrichtung zur Steuerung der Bilddichte eines Tonerbildes
US7551663B1 (en) * 2001-02-01 2009-06-23 Ipr Licensing, Inc. Use of correlation combination to achieve channel detection
CN1295571C (zh) * 2002-02-20 2007-01-17 精工爱普生株式会社 图像形成装置及图像形成方法
JP2004061792A (ja) * 2002-07-29 2004-02-26 Brother Ind Ltd 画像形成装置
JP3870145B2 (ja) * 2002-09-30 2007-01-17 キヤノン株式会社 画像形成装置及び画像形成装置制御用プログラム
EP1437631B1 (de) * 2002-11-29 2008-09-10 Ricoh Company, Ltd. Verfahren zur Festlegung der minimal nutzbaren Messfläche eines Sensors für Ausrichtmuster in einem Bildformungsapparat
JP2004258281A (ja) * 2003-02-26 2004-09-16 Oki Data Corp 画像形成装置
US6842590B2 (en) * 2003-05-29 2005-01-11 Xerox Corporation Reload error compensation in color process control methods
JP2005234366A (ja) 2004-02-20 2005-09-02 Ricoh Co Ltd 位置ずれ量検出方法及び画像形成装置
JP4545728B2 (ja) * 2006-09-28 2010-09-15 株式会社沖データ 画像形成装置
JP4967667B2 (ja) * 2007-01-11 2012-07-04 コニカミノルタビジネステクノロジーズ株式会社 画像形成装置
US20090060542A1 (en) * 2007-08-27 2009-03-05 Seiko Epson Corporation Image Forming Apparatus and an Image Forming Method
JP2012163645A (ja) * 2011-02-04 2012-08-30 Ricoh Co Ltd 画像形成装置
US9046850B2 (en) 2011-02-04 2015-06-02 Ricoh Company, Ltd. Image forming apparatus capable of reducing image density irregularity
JP5855550B2 (ja) * 2012-09-26 2016-02-09 京セラドキュメントソリューションズ株式会社 画像形成装置及びキャリブレーション方法
US9551956B2 (en) * 2015-01-21 2017-01-24 Ricoh Company, Ltd. Image forming apparatus that utilizes toner roller bias voltages for image density adjustments
JP2019128472A (ja) * 2018-01-25 2019-08-01 株式会社東芝 画像形成装置

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2746942B2 (ja) 1988-09-30 1998-05-06 株式会社リコー 画像形成装置
US4999673A (en) * 1989-05-10 1991-03-12 Xerox Corporation Process control by creating and sensing half-tone test patches
JPH0313441A (ja) 1989-06-12 1991-01-22 Mita Ind Co Ltd 画像形成装置
JPH03236751A (ja) 1990-02-13 1991-10-22 Satake Eng Co Ltd 白米の包装方法及び包装白米
JPH03260667A (ja) * 1990-03-12 1991-11-20 Minolta Camera Co Ltd 画像形成装置
JPH03279971A (ja) 1990-03-28 1991-12-11 Ricoh Co Ltd 画像形成装置の画像制御方法
JPH0430182A (ja) * 1990-05-28 1992-02-03 Ricoh Co Ltd 電子写真方式の画像形成装置
US5453773A (en) 1990-11-30 1995-09-26 Minolta Camera Kabushiki Kaisha Electrophotographic image forming apparatus comprising means for automatically adjusting image reproduction density
JP3013441B2 (ja) * 1990-11-30 2000-02-28 ミノルタ株式会社 デジタル画像形成装置
JPH0594073A (ja) 1991-10-03 1993-04-16 Ricoh Co Ltd 複写画像濃度安定化方法および装置
JPH05333648A (ja) 1992-06-01 1993-12-17 Sharp Corp プロセスコントロール方法
JP3031070B2 (ja) 1992-07-29 2000-04-10 松下電器産業株式会社 画質制御装置
JP2956366B2 (ja) 1992-08-04 1999-10-04 松下電器産業株式会社 線幅測定装置
JPH0720670A (ja) 1993-06-30 1995-01-24 Canon Inc 画像形成装置
JP3236751B2 (ja) * 1995-02-02 2001-12-10 株式会社日立製作所 画像形成装置
JPH08292615A (ja) 1995-04-20 1996-11-05 Fujitsu Ltd 画像形成装置
JPH0950155A (ja) 1995-08-10 1997-02-18 Konica Corp 画像形成装置
JP3498276B2 (ja) 1995-11-28 2004-02-16 コニカミノルタホールディングス株式会社 画像制御方法
JPH09233235A (ja) 1996-02-21 1997-09-05 Fuji Xerox Co Ltd 画像評価方法及びこれを用いた画像形成装置
JPH10228142A (ja) 1997-02-18 1998-08-25 Sharp Corp 画像形成装置及び方法
JP3991420B2 (ja) 1997-03-27 2007-10-17 富士ゼロックス株式会社 画像形成装置およびその制御方法
JP3279971B2 (ja) 1997-10-13 2002-04-30 昭和炭酸株式会社 ドライアイスの製造装置
JPH11258872A (ja) 1998-03-11 1999-09-24 Sharp Corp 電子写真装置
JPH11295943A (ja) * 1998-04-09 1999-10-29 Canon Inc 多色画像形成装置
EP1074894B1 (de) * 1999-07-28 2005-04-20 Seiko Epson Corporation Bilderzeugungsgerät und Verfahren

Also Published As

Publication number Publication date
EP1074894B1 (de) 2005-04-20
EP1074894A2 (de) 2001-02-07
US20020037175A1 (en) 2002-03-28
DE60019509T2 (de) 2005-10-13
US6336008B1 (en) 2002-01-01
US6621991B2 (en) 2003-09-16
DE60019509D1 (de) 2005-05-25
EP1074894A3 (de) 2002-04-17

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Legal Events

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