DE69942516D1 - Bilderzeugungsgerät mit der Fähigkeit ,die Zeilenverarbeitungsgeschwindigkeit zu veränderen - Google Patents

Bilderzeugungsgerät mit der Fähigkeit ,die Zeilenverarbeitungsgeschwindigkeit zu veränderen

Info

Publication number
DE69942516D1
DE69942516D1 DE69942516T DE69942516T DE69942516D1 DE 69942516 D1 DE69942516 D1 DE 69942516D1 DE 69942516 T DE69942516 T DE 69942516T DE 69942516 T DE69942516 T DE 69942516T DE 69942516 D1 DE69942516 D1 DE 69942516D1
Authority
DE
Germany
Prior art keywords
changing
image forming
forming apparatus
apparatus capable
processing speed
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 - Lifetime
Application number
DE69942516T
Other languages
English (en)
Inventor
Kota Fujimori
Takayuki Maruta
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 JP10125302A external-priority patent/JPH11305500A/ja
Priority claimed from JP10253645A external-priority patent/JP2000105526A/ja
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Application granted granted Critical
Publication of DE69942516D1 publication Critical patent/DE69942516D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G03G15/50—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
    • 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
    • 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
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/1605—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using at least one intermediate support
    • G03G15/161—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using at least one intermediate support with means for handling the intermediate support, e.g. heating, cleaning, coating with a transfer agent
    • 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
    • G03G15/5037—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 the characteristics being an electrical parameter, e.g. voltage
    • 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
    • H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
    • 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
    • H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
    • H04N1/0408—Different densities of dots per unit length
    • H04N1/0414—Different densities of dots per unit length in the sub scanning direction
    • 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
    • H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
    • H04N1/042—Details of the method used
    • H04N1/0443—Varying the scanning velocity or position
    • 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
    • H04N1/40—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
    • 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
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4076—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture
    • H04N1/4078—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture using gradational references, e.g. grey-scale test pattern analysis
    • 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
    • G03G2215/00025—Machine control, e.g. regulating different parts of the machine
    • G03G2215/00029—Image density detection
    • G03G2215/00033—Image density detection on recording member
    • G03G2215/00054—Electrostatic image 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
    • G03G2215/0177—Rotating set of developing units
    • 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
    • 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
    • H04N1/12—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 the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Color Electrophotography (AREA)
DE69942516T 1998-04-20 1999-04-19 Bilderzeugungsgerät mit der Fähigkeit ,die Zeilenverarbeitungsgeschwindigkeit zu veränderen Expired - Lifetime DE69942516D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10125302A JPH11305500A (ja) 1998-04-20 1998-04-20 画像形成装置
JP21092298 1998-07-27
JP10253645A JP2000105526A (ja) 1998-07-27 1998-09-08 画像形成装置

Publications (1)

Publication Number Publication Date
DE69942516D1 true DE69942516D1 (de) 2010-07-29

Family

ID=27315089

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69942516T Expired - Lifetime DE69942516D1 (de) 1998-04-20 1999-04-19 Bilderzeugungsgerät mit der Fähigkeit ,die Zeilenverarbeitungsgeschwindigkeit zu veränderen
DE69942113T Expired - Lifetime DE69942113D1 (de) 1998-04-20 1999-04-19 Bilderzeugungsgerät mit der Fähigkeit ,die Zeilenverarbeitungsgeschwindigkeit zu veränderen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69942113T Expired - Lifetime DE69942113D1 (de) 1998-04-20 1999-04-19 Bilderzeugungsgerät mit der Fähigkeit ,die Zeilenverarbeitungsgeschwindigkeit zu veränderen

Country Status (5)

Country Link
US (1) US6160569A (de)
EP (2) EP0952727B1 (de)
KR (1) KR100324103B1 (de)
CN (2) CN1165817C (de)
DE (2) DE69942516D1 (de)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3720602B2 (ja) 1998-10-21 2005-11-30 株式会社リコー 画像形成装置
JP2001154538A (ja) * 1999-11-30 2001-06-08 Canon Inc 画像形成装置
JP4451009B2 (ja) 2000-04-27 2010-04-14 株式会社リコー 画像形成装置
US6591077B2 (en) 2000-05-08 2003-07-08 Ricoh Company, Ltd. Image forming apparatus and toner container therefor
JP4351814B2 (ja) 2000-07-21 2009-10-28 株式会社リコー カラー画像形成装置
JP2002108088A (ja) 2000-07-27 2002-04-10 Ricoh Co Ltd 画像形成装置のトナー補給制御方法、及びその画像形成装置
JP3535818B2 (ja) 2000-08-31 2004-06-07 株式会社リコー 容器およびこれの支持構造および画像形成装置
JP4012676B2 (ja) 2000-09-07 2007-11-21 株式会社リコー 現像装置及び画像形成装置
US6597881B2 (en) 2000-10-16 2003-07-22 Ricoh Company, Ltd. Image forming apparatus
JP2002139885A (ja) 2000-11-01 2002-05-17 Ricoh Co Ltd 画像形成装置
JP2002229336A (ja) 2000-12-01 2002-08-14 Ricoh Co Ltd 現像ローラ、現像装置及び画像形成装置
JP2003084574A (ja) 2001-03-16 2003-03-19 Ricoh Co Ltd 現像方法、現像装置及び画像形成方法
US7161712B2 (en) * 2001-04-20 2007-01-09 Ricoh Company, Ltd. Apparatus for forming images with proper gamma correction
US6763214B2 (en) 2001-08-07 2004-07-13 Ricoh Company, Ltd. Developing device and method for performing effective charging and mixing of developer and image forming apparatus using the developing device
EP1333335A3 (de) * 2001-12-20 2003-11-05 Ricoh Company, Ltd. Entwicklungsverfahren für ein Bilderzeugungsgerät und Entwicklungsvorrichtung hierfür
JP2003215889A (ja) * 2002-01-17 2003-07-30 Ricoh Co Ltd 帯電装置、プロセスカートリッジ及び画像形成装置
JP2003255769A (ja) * 2002-02-28 2003-09-10 Ricoh Co Ltd 画像形成装置
CN100504654C (zh) * 2002-06-03 2009-06-24 株式会社理光 色调剂运送装置及图像形成装置
JP4330112B2 (ja) * 2002-12-09 2009-09-16 株式会社リコー カラー画像形成装置
EP1434104A3 (de) 2002-12-27 2004-11-17 Ricoh Company, Ltd. Magnetischer Träger, Zweikomponentenentwickler, Entwicklungsverfahren, Entwicklungsgerät und elektrophotographischer Apparat zur Bildherstellung
JP2004271957A (ja) * 2003-03-10 2004-09-30 Canon Inc 画像形成装置
JP4794828B2 (ja) * 2004-06-08 2011-10-19 キヤノン株式会社 電位測定装置および画像形成装置
JP4917265B2 (ja) * 2004-06-30 2012-04-18 株式会社リコー 画像形成装置
US7260335B2 (en) 2004-07-30 2007-08-21 Ricoh Company, Limited Image-information detecting device and image forming apparatus
JP2006317531A (ja) * 2005-05-10 2006-11-24 Ricoh Co Ltd 光学検知装置及び画像形成装置
CN1892487B (zh) * 2005-06-30 2010-12-29 株式会社理光 用于图像形成装置的附着量变换方法
JP2007033770A (ja) 2005-07-26 2007-02-08 Ricoh Co Ltd 画像形成装置
JP4801413B2 (ja) * 2005-10-19 2011-10-26 株式会社リコー トナー濃度センサ出力補正方式及び画像形成装置
JP2007148134A (ja) * 2005-11-29 2007-06-14 Ricoh Co Ltd 画質調整装置、画像形成装置及び画質調整方法
SG136862A1 (en) 2006-04-21 2007-11-29 Oce Tech Bv Variable speed printing
JP4815322B2 (ja) * 2006-10-06 2011-11-16 株式会社リコー 画像形成装置
US20080175608A1 (en) * 2007-01-24 2008-07-24 Kabushiki Kaisha Toshiba Image forming apparatus and method thereof
JP4500828B2 (ja) * 2007-05-08 2010-07-14 シャープ株式会社 電子機器の操作システム及び画像処理装置
JP5309527B2 (ja) * 2007-10-24 2013-10-09 株式会社リコー 画像濃度制御方法及び画像形成装置
CN102338999B (zh) * 2008-02-07 2014-07-30 株式会社理光 图像形成装置以及图像浓度控制方法
JP4965500B2 (ja) * 2008-04-18 2012-07-04 株式会社リコー 画像形成装置及びその画質補正方法
JP2009271360A (ja) * 2008-05-08 2009-11-19 Ricoh Co Ltd 再利用方法及び再利用システム、画像形成装置
JP5267916B2 (ja) * 2008-06-30 2013-08-21 株式会社リコー 画像形成装置および画像濃度制御方法
EP2314065A2 (de) * 2008-08-19 2011-04-27 Marvell World Trade Ltd. Architektur für ein multifunktionsgerät
JP2010204519A (ja) 2009-03-05 2010-09-16 Ricoh Co Ltd 画像濃度制御方法及び画像形成装置
JP5534399B2 (ja) * 2009-08-27 2014-06-25 株式会社リコー 画像形成装置
KR101638889B1 (ko) 2009-10-23 2016-07-14 삼성전자 주식회사 화상형성장치 및 그 제어방법
JP5448077B2 (ja) * 2010-02-17 2014-03-19 株式会社リコー 光学センサおよび画像形成装置
JP5864863B2 (ja) 2010-03-09 2016-02-17 キヤノン株式会社 画像形成装置
JP2012103411A (ja) * 2010-11-09 2012-05-31 Fuji Xerox Co Ltd 画像形成装置
JP2012242616A (ja) 2011-05-19 2012-12-10 Ricoh Co Ltd 画像形成装置及び画像形成方法
JP5864919B2 (ja) * 2011-07-07 2016-02-17 キヤノン株式会社 画像形成装置
JP2013125154A (ja) 2011-12-14 2013-06-24 Ricoh Co Ltd 画像形成装置
JP6119246B2 (ja) 2012-03-12 2017-04-26 株式会社リコー 画像形成装置
JP5831494B2 (ja) * 2013-05-08 2015-12-09 コニカミノルタ株式会社 湿式画像形成装置
CN108025577B (zh) * 2015-10-06 2020-02-14 株式会社理光 图像形成方法、图像形成设备、激光照射印刷墨和用于制造图像形成物体的方法
US11320762B1 (en) * 2021-03-16 2022-05-03 Toshiba Tec Kabushiki Kaisha Image forming apparatus

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JPH05216337A (ja) * 1991-07-31 1993-08-27 Ricoh Co Ltd 画像形成装置
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JP2966267B2 (ja) * 1993-11-30 1999-10-25 キヤノン株式会社 多色画像形成装置
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US5630195A (en) * 1995-05-12 1997-05-13 Ricoh Company, Ltd. Color toner density sensor and image forming apparatus using the same
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JP3500008B2 (ja) * 1996-05-28 2004-02-23 株式会社リコー 画像形成装置における現像能力検知方法
JP3378437B2 (ja) * 1996-06-28 2003-02-17 京セラ株式会社 画像形成装置
JPH1090961A (ja) * 1996-09-13 1998-04-10 Ricoh Co Ltd 画像形成装置
JP2901560B2 (ja) * 1996-12-24 1999-06-07 新潟日本電気株式会社 カラー画像形成装置

Also Published As

Publication number Publication date
CN1165817C (zh) 2004-09-08
KR100324103B1 (ko) 2002-02-20
DE69942113D1 (de) 2010-04-22
EP0952727A2 (de) 1999-10-27
EP0952727B1 (de) 2010-03-10
EP1940142A2 (de) 2008-07-02
CN100507729C (zh) 2009-07-01
CN1544992A (zh) 2004-11-10
US6160569A (en) 2000-12-12
CN1232975A (zh) 1999-10-27
KR19990083258A (ko) 1999-11-25
EP1940142A3 (de) 2009-04-15
EP0952727A3 (de) 2000-08-16
EP1940142B1 (de) 2010-06-16

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