DE69216744D1 - Elektrophotographisches Gerät mit Bildkontrollmitteln - Google Patents
Elektrophotographisches Gerät mit BildkontrollmittelnInfo
- Publication number
- DE69216744D1 DE69216744D1 DE69216744T DE69216744T DE69216744D1 DE 69216744 D1 DE69216744 D1 DE 69216744D1 DE 69216744 T DE69216744 T DE 69216744T DE 69216744 T DE69216744 T DE 69216744T DE 69216744 D1 DE69216744 D1 DE 69216744D1
- Authority
- DE
- Germany
- Prior art keywords
- control means
- image control
- electrophotographic device
- electrophotographic
- 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
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
- G03G15/5054—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 characteristics of an intermediate image carrying member or the characteristics of an image on an intermediate image carrying member, e.g. intermediate transfer belt or drum, conveyor belt
- G03G15/5058—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 characteristics of an intermediate image carrying member or the characteristics of an image on an intermediate image carrying member, e.g. intermediate transfer belt or drum, conveyor belt 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
- G03G15/50—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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Or Security For Electrophotography (AREA)
- Developing For Electrophotography (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3257406A JP3030975B2 (ja) | 1991-10-04 | 1991-10-04 | 画質制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69216744D1 true DE69216744D1 (de) | 1997-02-27 |
DE69216744T2 DE69216744T2 (de) | 1997-07-31 |
Family
ID=17305938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69216744T Expired - Fee Related DE69216744T2 (de) | 1991-10-04 | 1992-09-30 | Elektrophotographisches Gerät mit Bildkontrollmitteln |
Country Status (4)
Country | Link |
---|---|
US (1) | US5250988A (de) |
EP (1) | EP0535655B1 (de) |
JP (1) | JP3030975B2 (de) |
DE (1) | DE69216744T2 (de) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5481337A (en) * | 1991-05-13 | 1996-01-02 | Canon Kabushiki Kaisha | Method and apparatus for correcting image formation in accordance with a potential measurement and a density measurement selected along an axial direction of a photosensitive drum |
US5355154A (en) * | 1992-12-23 | 1994-10-11 | Xerox Corporation | Electronic color printers multiple-pass image self-registration |
JP3337801B2 (ja) * | 1993-12-30 | 2002-10-28 | キヤノン株式会社 | 画像形成装置および画像形成装置の濃度制御方法 |
JP3164961B2 (ja) * | 1994-03-18 | 2001-05-14 | 株式会社日立製作所 | 画像記録装置と画質制御方法 |
KR0141669B1 (ko) * | 1994-10-07 | 1998-07-15 | 김광호 | 화상 형성장치의 수동급지 모드에서 토너절감과 오염방지 방법 및 장치 |
US5869944A (en) * | 1995-02-16 | 1999-02-09 | Sony Corporation | Motor driving apparatus |
JPH08254861A (ja) * | 1995-03-16 | 1996-10-01 | Konica Corp | 線幅制御方法 |
US5873011A (en) * | 1996-03-13 | 1999-02-16 | Minolta Co., Ltd. | Image forming apparatus |
KR100223008B1 (ko) * | 1997-05-13 | 1999-10-01 | 윤종용 | 전자사진 장치의 농도제어 방법 및 장치 |
JPH11160926A (ja) * | 1997-12-01 | 1999-06-18 | Matsushita Electric Ind Co Ltd | 画像形成装置 |
US5999761A (en) * | 1998-07-14 | 1999-12-07 | Hewlett-Packard Company | Dynamic adjustment of characteristics of an image forming apparatus |
JP2002086800A (ja) * | 2000-07-13 | 2002-03-26 | Fuji Xerox Co Ltd | 濃度補正方法及び画像形成装置 |
DE10050659A1 (de) * | 2000-10-13 | 2002-04-18 | Nexpress Solutions Llc | Verfahren und Druckmaschine zum Aufbringen von Toner auf ein Substrat und Messeinrichtung für eine Druckmaschine |
US6560418B2 (en) | 2001-03-09 | 2003-05-06 | Lexmark International, Inc. | Method of setting laser power and developer bias in a multi-color electrophotographic machinie |
US6483996B2 (en) | 2001-04-02 | 2002-11-19 | Hewlett-Packard Company | Method and system for predicting print quality degradation in an image forming device |
US6463227B1 (en) | 2001-09-27 | 2002-10-08 | Lexmark International, Inc. | Color adjustment method for a laser printer with multiple print resolutions |
US7006250B2 (en) * | 2001-09-27 | 2006-02-28 | Lexmark International, Inc. | Method of setting laser power and developer bias in an electrophotographic machine based on an estimated intermediate belt reflectivity |
US6768878B2 (en) * | 2001-10-30 | 2004-07-27 | Konica Corporation | Image forming method and image forming apparatus utilizing a control patch |
US6860665B2 (en) * | 2002-10-28 | 2005-03-01 | Hewlett-Packard Development Company, L.P. | Passive linear encoder |
WO2006046224A2 (en) * | 2004-10-28 | 2006-05-04 | Hewlett-Packard Development Company, L.P. | Dot gain and color linearization dual calibration |
DE102006058580A1 (de) | 2006-12-12 | 2008-06-26 | OCé PRINTING SYSTEMS GMBH | Verfahren und Anordnung zum Einstellen der Punktgröße von mit Hilfe eines elektrografischen Druck- oder Kopiersystems erzeugten Druckbildern |
DE102007009070A1 (de) | 2007-02-23 | 2008-08-28 | OCé PRINTING SYSTEMS GMBH | Verfahren und Vorrichtung zum Erfassen eines elektrischen Potentials sowie von elektrischen Ladungen ein einem Drucker oder Kopierer |
EP1970770B1 (de) * | 2007-03-15 | 2013-09-18 | Konica Minolta Business Technologies, Inc. | Bilderzeugungsvorrichtung mit Mitteln zur Kalibrierung eines Tonerdichtedetektors |
JP4586870B2 (ja) * | 2008-03-14 | 2010-11-24 | 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 |
US8047976B2 (en) * | 2009-11-05 | 2011-11-01 | Pitney Bowes Inc. | Item handling system with tracking |
US8655209B2 (en) * | 2011-06-29 | 2014-02-18 | Xerox Corporation | Correction of line width variation due to toner age |
EP3162579B1 (de) * | 2015-10-30 | 2018-05-09 | OCE-Technologies B.V. | Verfahren zur genehmigung eines neuen druckmediums zur verwendung in einem drucksystem |
JP2020140127A (ja) | 2019-02-28 | 2020-09-03 | キヤノン株式会社 | 電子写真装置の制御方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4277162A (en) * | 1978-07-13 | 1981-07-07 | Ricoh Company, Ltd. | Electrophotographic apparatus comprising density sensor means |
JPS55159468A (en) * | 1979-05-31 | 1980-12-11 | Konishiroku Photo Ind Co Ltd | Toner concentration control method of developer in electrophotographic type recorder |
JPS6083975A (ja) * | 1983-10-14 | 1985-05-13 | Ricoh Co Ltd | トナ−濃度制御装置 |
US4967211A (en) * | 1988-06-14 | 1990-10-30 | International Business Machines Corporation | Printing machine with toner density balance in solid areas and line strokes |
JPH02235073A (ja) * | 1989-03-09 | 1990-09-18 | Ricoh Co Ltd | 感光体寿命検知方法 |
US4999673A (en) * | 1989-05-10 | 1991-03-12 | Xerox Corporation | Process control by creating and sensing half-tone test patches |
JPH02308186A (ja) * | 1989-05-23 | 1990-12-21 | Ricoh Co Ltd | 画像形成装置 |
JPH04453A (ja) * | 1990-04-18 | 1992-01-06 | Ricoh Co Ltd | 画像形成装置 |
JPH0833686B2 (ja) * | 1990-07-30 | 1996-03-29 | 松下電器産業株式会社 | 画像濃度制御装置 |
-
1991
- 1991-10-04 JP JP3257406A patent/JP3030975B2/ja not_active Expired - Fee Related
-
1992
- 1992-09-30 DE DE69216744T patent/DE69216744T2/de not_active Expired - Fee Related
- 1992-09-30 EP EP92116776A patent/EP0535655B1/de not_active Expired - Lifetime
- 1992-10-02 US US07/956,953 patent/US5250988A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0535655A2 (de) | 1993-04-07 |
DE69216744T2 (de) | 1997-07-31 |
JPH05100532A (ja) | 1993-04-23 |
US5250988A (en) | 1993-10-05 |
JP3030975B2 (ja) | 2000-04-10 |
EP0535655B1 (de) | 1997-01-15 |
EP0535655A3 (en) | 1993-07-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |