DE3780212T2 - Kompensation beim drucken feiner striche. - Google Patents

Kompensation beim drucken feiner striche.

Info

Publication number
DE3780212T2
DE3780212T2 DE8787105871T DE3780212T DE3780212T2 DE 3780212 T2 DE3780212 T2 DE 3780212T2 DE 8787105871 T DE8787105871 T DE 8787105871T DE 3780212 T DE3780212 T DE 3780212T DE 3780212 T2 DE3780212 T2 DE 3780212T2
Authority
DE
Germany
Prior art keywords
compensation
printing fine
fine bars
bars
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 - Fee Related
Application number
DE8787105871T
Other languages
English (en)
Other versions
DE3780212D1 (de
Inventor
Sherwood Nmi Kantor
Garry Joe Selby
Larry Lance Wolfe
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE3780212D1 publication Critical patent/DE3780212D1/de
Application granted granted Critical
Publication of DE3780212T2 publication Critical patent/DE3780212T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06K15/128—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 generating or processing printable items, e.g. characters
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • 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
    • H04N1/40093—Modification of content of picture, e.g. retouching
    • 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
    • G03G2215/00071—Machine control, e.g. regulating different parts of the machine by measuring the photoconductor or its environmental characteristics
    • G03G2215/00084—Machine control, e.g. regulating different parts of the machine by measuring the photoconductor or its environmental characteristics the characteristic being the temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Color, Gradation (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Laser Beam Printer (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Fax Reproducing Arrangements (AREA)
DE8787105871T 1986-05-20 1987-04-22 Kompensation beim drucken feiner striche. Expired - Fee Related DE3780212T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/864,985 US4681424A (en) 1986-05-20 1986-05-20 Compensation for fine line prints

Publications (2)

Publication Number Publication Date
DE3780212D1 DE3780212D1 (de) 1992-08-13
DE3780212T2 true DE3780212T2 (de) 1993-02-11

Family

ID=25344468

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787105871T Expired - Fee Related DE3780212T2 (de) 1986-05-20 1987-04-22 Kompensation beim drucken feiner striche.

Country Status (5)

Country Link
US (1) US4681424A (de)
EP (1) EP0246457B1 (de)
JP (1) JPS62274984A (de)
CA (1) CA1273676A (de)
DE (1) DE3780212T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6367073A (ja) * 1986-09-08 1988-03-25 Canon Inc レ−ザ光変調方式
JPH01188871A (ja) * 1988-01-22 1989-07-28 Toshiba Corp レーザ発生装置
US5005139A (en) * 1988-08-16 1991-04-02 Hewlett-Packard Company Piece-wise print image enhancement for dot matrix printers
US5859948A (en) * 1988-12-06 1999-01-12 Canon Kabushiki Kaisha Images processing apparatus for controlling binarized multi-value image data to convert pulse widths differently in at least two modes
EP0388833B1 (de) * 1989-03-20 1996-06-19 Hitachi, Ltd. Optisches Aufzeichnungssystem
US5313308A (en) * 1989-08-31 1994-05-17 Canon Kabushiki Kaisha Image forming apparatus which changes its tone reproducing property in accordance with ambient conditions
US5128698A (en) * 1990-01-19 1992-07-07 International Business Machines Corporation Boldness control in an electrophotographic machine
US5404411A (en) * 1990-12-27 1995-04-04 Xerox Corporation Bitmap-image pattern matching apparatus for correcting bitmap errors in a printing system
DE69228433T2 (de) * 1991-03-29 1999-07-22 Canon Kk Anordnung zur Registrierung von Informationen und Verfahren zur Bildregistrierung
DE69231481T2 (de) * 1991-07-10 2001-02-08 Fujitsu Ltd Bilderzeugungsgerät
US5357273A (en) * 1991-07-29 1994-10-18 Xerox Corporation Resolution conversion via intensity controlled overscanned illumination for optical printers and the like having high gamma photosensitive recording media
JP3246754B2 (ja) * 1991-09-20 2002-01-15 株式会社日立製作所 光記録装置及び情報処理システム
US5365251A (en) * 1992-08-28 1994-11-15 Xerox Corporation Image quality improvement by hierarchical pattern matching with variable size templates
DE4327967C1 (de) * 1993-08-19 1994-08-18 Siemens Nixdorf Inf Syst System und Verfahren zur Umsetzung von Bildinformationen
JPH0858153A (ja) * 1994-08-18 1996-03-05 Fujitsu Ltd シリアル型電子写真装置及び印字調整方法
US6091891A (en) * 1997-05-09 2000-07-18 Lexmark International, Inc. Method and apparatus for calibrating delay lines to create gray levels in continuous tone printing
WO2000003326A1 (en) * 1998-07-08 2000-01-20 Xante Corporation Dynamic control of laser power in electrophotographic device to produce accurate positive and negative printed output
JP2000343756A (ja) * 1999-06-09 2000-12-12 Sharp Corp 画像形成装置および画像形成方法
US6975428B1 (en) 2000-03-27 2005-12-13 International Business Machines Corporation Method, system, and program for reducing toner usage in print output
US6975427B1 (en) 2000-03-27 2005-12-13 International Business Machines Corporation Method, system, and program for using look-up tables to filter raster data
US7064859B1 (en) 2000-03-27 2006-06-20 International Business Machines Corporation Method, system, program, and data structure for producing a look-up table to enhance print quality
JP4624087B2 (ja) * 2004-12-06 2011-02-02 京セラミタ株式会社 描画処理装置及びプログラム

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750189A (en) * 1971-10-18 1973-07-31 Ibm Light scanning and printing system
JPS5535390A (en) * 1978-09-05 1980-03-12 Mita Ind Co Ltd Heater control method for copier
JPS6026344B2 (ja) * 1979-04-10 1985-06-22 富士通株式会社 刻時信号発生方式
US4411514A (en) * 1979-04-24 1983-10-25 Canon Kabushiki Kaisha Variable magnification electrophotographic copying apparatus
US4387983A (en) * 1979-07-03 1983-06-14 Canon Kabushiki Kaisha Scan type image recording apparatus
JPS5627177A (en) * 1979-08-14 1981-03-16 Toshiba Corp Copying unit
US4270131A (en) * 1979-11-23 1981-05-26 Tompkins E Neal Adaptive error correction device for a laser scanner
JPS5683775A (en) * 1979-12-12 1981-07-08 Minolta Camera Co Ltd Waiting time display device for copier or the like
JPS6010914B2 (ja) * 1980-02-14 1985-03-20 松下電送株式会社 感熱記録装置
US4538895A (en) * 1983-03-07 1985-09-03 International Business Machines Corporation Scanning optical system for use with a semiconductor laser generator
JPS60120662A (ja) * 1983-12-03 1985-06-28 Matsushita Electric Ind Co Ltd レ−ザ記録装置
JPS60239787A (ja) * 1984-05-14 1985-11-28 Sharp Corp 加熱定着装置
US4544264A (en) * 1984-05-17 1985-10-01 International Business Machines Corporation Fine line print enhancement
JPS6125164A (ja) * 1984-07-13 1986-02-04 Fujitsu Ltd 印刷装置

Also Published As

Publication number Publication date
CA1273676A (en) 1990-09-04
EP0246457B1 (de) 1992-07-08
DE3780212D1 (de) 1992-08-13
JPS62274984A (ja) 1987-11-28
EP0246457A2 (de) 1987-11-25
US4681424A (en) 1987-07-21
EP0246457A3 (en) 1989-08-23

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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