DE69622485D1 - Entwicklungssteuerung in einem Druckgerät - Google Patents
Entwicklungssteuerung in einem DruckgerätInfo
- Publication number
- DE69622485D1 DE69622485D1 DE69622485T DE69622485T DE69622485D1 DE 69622485 D1 DE69622485 D1 DE 69622485D1 DE 69622485 T DE69622485 T DE 69622485T DE 69622485 T DE69622485 T DE 69622485T DE 69622485 D1 DE69622485 D1 DE 69622485D1
- Authority
- DE
- Germany
- Prior art keywords
- printing device
- development control
- development
- control
- printing
- 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
Links
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
- H04N1/407—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Or Security For Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/527,616 US5543896A (en) | 1995-09-13 | 1995-09-13 | Method for measurement of tone reproduction curve using a single structured patch |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69622485D1 true DE69622485D1 (de) | 2002-08-29 |
DE69622485T2 DE69622485T2 (de) | 2002-11-28 |
Family
ID=24102233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69622485T Expired - Lifetime DE69622485T2 (de) | 1995-09-13 | 1996-09-11 | Entwicklungssteuerung in einem Druckgerät |
Country Status (4)
Country | Link |
---|---|
US (1) | US5543896A (de) |
EP (1) | EP0763783B1 (de) |
JP (1) | JPH09106120A (de) |
DE (1) | DE69622485T2 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5652946A (en) * | 1996-06-28 | 1997-07-29 | Xerox Corporation | Automatic setup of interdocument zone patches and related timing |
US5713062A (en) * | 1996-09-26 | 1998-01-27 | Xerox Corporation | Color mixing and control system for use in an electrostatographic printing machine |
US5899605A (en) * | 1996-09-26 | 1999-05-04 | Xerox Corporation | Color mixing and color system for use in a printing machine |
US5749020A (en) * | 1996-11-21 | 1998-05-05 | Xerox Corporation | Coordinitization of tone reproduction curve in terms of basis functions |
US5897239A (en) * | 1997-03-31 | 1999-04-27 | Xerox Corporation | Photometric color correction and control system for custom colors |
US6002893A (en) * | 1998-01-08 | 1999-12-14 | Xerox Corporation | High and low pigment loadings for custom colors |
US6081348A (en) * | 1998-03-05 | 2000-06-27 | Xerox Corporation | Ros beam failure detector |
US6204869B1 (en) | 1998-05-04 | 2001-03-20 | Xerox Corporation | Control system for test patch area exposure in a printing machine |
US6366362B1 (en) | 1998-12-23 | 2002-04-02 | Xerox Corporation | Method and apparatus for adjusting input binary image halftone dots using template matching controlled by print engine xerographic density information to maintain constant tone reproduction on printed output over time |
US6018636A (en) * | 1999-01-19 | 2000-01-25 | Xerox Corporation | System and method for detecting and compensating for changes in liquid xerographic toner developability |
US6529291B1 (en) | 1999-09-22 | 2003-03-04 | Xerox Corporation | Fuzzy black color conversion using weighted outputs and matched tables |
US6167217A (en) * | 1999-12-06 | 2000-12-26 | Xerox Corporation | Flexible xerographic process controls patch scheduler |
US6519425B2 (en) * | 2001-02-23 | 2003-02-11 | Hewlett-Packard Company | Image-producing methods and apparatus |
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 |
US6952283B2 (en) | 2001-04-17 | 2005-10-04 | Xerox Corporation | Sampling of customer images as color data for process control |
US6628426B2 (en) * | 2001-05-22 | 2003-09-30 | Lexmark International, Inc. | Method of halftone screen linearization via continuous gradient patches |
KR100378169B1 (ko) * | 2001-08-11 | 2003-03-29 | 삼성전자주식회사 | Trc 제어방법 |
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 |
US6463227B1 (en) | 2001-09-27 | 2002-10-08 | Lexmark International, Inc. | Color adjustment method for a laser printer with multiple print resolutions |
JP4304936B2 (ja) * | 2002-08-20 | 2009-07-29 | セイコーエプソン株式会社 | 画像形成装置および画像形成方法 |
US6816687B1 (en) | 2003-05-29 | 2004-11-09 | Xerox Corporation | Reload error compensation in color process control methods |
US7013094B2 (en) | 2003-05-29 | 2006-03-14 | Xerox Corporation | Reload error compensation method |
US6842590B2 (en) * | 2003-05-29 | 2005-01-11 | Xerox Corporation | Reload error compensation in color process control methods |
JP4135563B2 (ja) * | 2003-06-04 | 2008-08-20 | トヨタ自動車株式会社 | 空燃比センサの異常検出装置 |
US6845224B1 (en) | 2003-07-30 | 2005-01-18 | Xerox Corporation | Method and apparatus for timing adjustment for transfer assist blade activations |
US7095531B2 (en) * | 2003-11-06 | 2006-08-22 | Xerox Corporation | Systems and methods for compensating for streaks in images |
JP2005167551A (ja) * | 2003-12-02 | 2005-06-23 | Fuji Xerox Co Ltd | 画像形成装置、校正方法及びそのプログラム |
US7125094B2 (en) * | 2003-12-19 | 2006-10-24 | Xerox Corporation | Systems and methods for compensating for streaks in images |
JP4323968B2 (ja) * | 2004-01-14 | 2009-09-02 | 株式会社日立コミュニケーションテクノロジー | 無線通信装置のタイミング調整方法 |
KR100636185B1 (ko) * | 2004-10-22 | 2006-10-19 | 삼성전자주식회사 | 컬러 프린터의 색조 보상 방법 및 색조 보상부를 포함하는컬러 프린터 |
US7236711B2 (en) * | 2005-03-31 | 2007-06-26 | Xerox Corporation | Full-width array sensing of two-dimensional residual mass structure to enable mitigation of specific defects |
US7313337B2 (en) * | 2005-10-13 | 2007-12-25 | Xerox Corporation | Method and apparatus for sensing and controlling residual mass on customer images |
US7830554B2 (en) * | 2007-06-29 | 2010-11-09 | Xerox Corporation | Fiducial artifact detection and compensation algorithm |
US7697857B2 (en) * | 2008-06-03 | 2010-04-13 | Xerox Corporation | Multi-sensor calibration technique |
US7929872B2 (en) * | 2009-07-30 | 2011-04-19 | Xerox Corporation | Xerographic process controls scheduling approach to mitigate costs of measurement |
JP2013068800A (ja) * | 2011-09-22 | 2013-04-18 | Canon Inc | 画像形成装置及び画像形成方法、プログラム。 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4951088A (en) * | 1988-12-13 | 1990-08-21 | International Business Machines Corporation | Toner mass developed control ratio modification system |
JP3143484B2 (ja) * | 1991-02-22 | 2001-03-07 | キヤノン株式会社 | 画像処理装置 |
JPH0535104A (ja) * | 1991-08-02 | 1993-02-12 | Canon Inc | トナー濃度制御方法 |
US5471313A (en) * | 1993-02-24 | 1995-11-28 | Xerox Corporation | Method and control system architecture for controlling tone reproduction in a printing device |
US5436705A (en) * | 1994-04-18 | 1995-07-25 | Xerox Corporation | Adaptive process controller for electrophotographic printing |
-
1995
- 1995-09-13 US US08/527,616 patent/US5543896A/en not_active Expired - Lifetime
-
1996
- 1996-09-05 JP JP8234814A patent/JPH09106120A/ja active Pending
- 1996-09-11 DE DE69622485T patent/DE69622485T2/de not_active Expired - Lifetime
- 1996-09-11 EP EP96306584A patent/EP0763783B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5543896A (en) | 1996-08-06 |
EP0763783B1 (de) | 2002-07-24 |
DE69622485T2 (de) | 2002-11-28 |
EP0763783A2 (de) | 1997-03-19 |
EP0763783A3 (de) | 2000-11-08 |
JPH09106120A (ja) | 1997-04-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) |