DE3270014D1 - Electrophotographic printer and method of electrophotographic printing - Google Patents

Electrophotographic printer and method of electrophotographic printing

Info

Publication number
DE3270014D1
DE3270014D1 DE8282110209T DE3270014T DE3270014D1 DE 3270014 D1 DE3270014 D1 DE 3270014D1 DE 8282110209 T DE8282110209 T DE 8282110209T DE 3270014 T DE3270014 T DE 3270014T DE 3270014 D1 DE3270014 D1 DE 3270014D1
Authority
DE
Germany
Prior art keywords
electrophotographic
printing
printer
electrophotographic printer
electrophotographic 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
Application number
DE8282110209T
Other languages
English (en)
Inventor
Larry William Bassetti
Ross Brian Hooker
Sherwood Kantor
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
Application granted granted Critical
Publication of DE3270014D1 publication Critical patent/DE3270014D1/de
Expired 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Laser Beam Printer (AREA)
  • Facsimile Scanning Arrangements (AREA)
DE8282110209T 1981-12-18 1982-11-05 Electrophotographic printer and method of electrophotographic printing Expired DE3270014D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/332,382 US4460909A (en) 1981-12-18 1981-12-18 Method and apparatus for enhancing the resolution of an electrophotographic printer

Publications (1)

Publication Number Publication Date
DE3270014D1 true DE3270014D1 (en) 1986-04-24

Family

ID=23297977

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282110209T Expired DE3270014D1 (en) 1981-12-18 1982-11-05 Electrophotographic printer and method of electrophotographic printing

Country Status (4)

Country Link
US (1) US4460909A (de)
EP (1) EP0082281B1 (de)
JP (1) JPS58107557A (de)
DE (1) DE3270014D1 (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60253368A (ja) * 1983-11-10 1985-12-14 Dainippon Screen Mfg Co Ltd 複製画像記録表示等に於けるｊａｇ除去方法
JPS60234857A (ja) * 1984-05-07 1985-11-21 Toshiba Corp 記録装置
US4544264A (en) * 1984-05-17 1985-10-01 International Business Machines Corporation Fine line print enhancement
US4625222A (en) * 1984-05-17 1986-11-25 International Business Machines Corporation Interacting print enhancement techniques
JPS61199374A (ja) * 1985-02-28 1986-09-03 Ricoh Co Ltd ドツト補正のレ−ザプリンタ
US4809032A (en) * 1986-12-10 1989-02-28 Kabushiki Kaisha Toshiba Printing apparatus
EP0291461A1 (de) * 1987-05-14 1988-11-17 Haas-Laser Systems AG Verfahren und Vorrichtung zum Erzeugen einer Markierung an einem Werkstück
US4967211A (en) * 1988-06-14 1990-10-30 International Business Machines Corporation Printing machine with toner density balance in solid areas and line strokes
JPH0749221B2 (ja) * 1989-03-29 1995-05-31 三菱電機株式会社 光プリンタ装置
KR940010876B1 (ko) * 1989-04-17 1994-11-19 도오꾜오 덴끼 가부시끼가이샤 단면발광형 el프린터의 화상형성방법
US7382929B2 (en) 1989-05-22 2008-06-03 Pixel Instruments Corporation Spatial scan replication circuit
US6529637B1 (en) 1989-05-22 2003-03-04 Pixel Instruments Corporation Spatial scan replication circuit
US4933689A (en) * 1989-10-25 1990-06-12 Hewlett-Packard Company Method and apparatus for print image enhancement
US5128698A (en) * 1990-01-19 1992-07-07 International Business Machines Corporation Boldness control in an electrophotographic machine
US5193008A (en) * 1990-11-07 1993-03-09 Dp-Tek, Inc. Interleaving vertical pixels in raster-based laser printers
US5134495A (en) * 1990-11-07 1992-07-28 Dp-Tek, Inc. Resolution transforming raster-based imaging system
US6016154A (en) * 1991-07-10 2000-01-18 Fujitsu Limited Image forming apparatus
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
US5438437A (en) * 1991-10-17 1995-08-01 Konica Corporation Image forming apparatus with exposure, size, and position correction for pixels
US5359423A (en) * 1993-12-17 1994-10-25 Xerox Corporation Method for statistical generation of density preserving templates for print enhancement
US5724455A (en) * 1993-12-17 1998-03-03 Xerox Corporation Automated template design method for print enhancement
US5579445A (en) * 1993-12-17 1996-11-26 Xerox Corporation Image resolution conversion method that employs statistically generated multiple morphological filters
US5696845A (en) * 1993-12-17 1997-12-09 Xerox Corporation Method for design and implementation of an image resolution enhancement system that employs statistically generated look-up tables
US5387985A (en) * 1993-12-17 1995-02-07 Xerox Corporation Non-integer image resolution conversion using statistically generated look-up tables
JPH10507137A (ja) * 1994-10-12 1998-07-14 キヤノン リサーチ センター ヨーロッパ リミテッド アンチ・エイリアス プリンタ装置
US5757982A (en) 1994-10-18 1998-05-26 Hewlett-Packard Company Quadrantal scaling of dot matrix data
US6181438B1 (en) 1997-05-05 2001-01-30 Xerox Corporation Method and apparatus for digital image darkness control using quantized fractional pixels
US6177948B1 (en) 1998-03-23 2001-01-23 International Business Machines Corporation PQE for font vs. large dark patch
US6606420B1 (en) 1999-10-25 2003-08-12 Xerox Corporation Method and apparatus for digital image darkness control in saturated image structures
US20020163654A1 (en) * 2001-03-23 2002-11-07 Oak Technology, Inc. System and method of simulated increase in image resolution
JP3982817B2 (ja) * 2003-03-07 2007-09-26 株式会社東芝 画像処理装置および画像処理方法
US7733532B2 (en) 2004-10-27 2010-06-08 Marvell International Technology Ltd. Laser print apparatus with dual halftones
US7382994B2 (en) * 2005-09-29 2008-06-03 Lexmark International, Inc. Background energy density control in an electrophotographic device
US7403214B2 (en) * 2006-02-21 2008-07-22 Lexmark International, Inc. Systems and methods for adjusting the dynamic range of a scanning laser beam
JP5127775B2 (ja) * 2009-05-15 2013-01-23 株式会社リコー 情報処理装置、レーザ照射装置、制御システム、描画情報記憶装置
US8842938B2 (en) 2012-06-27 2014-09-23 Xerox Corporation Method and system for performing resolution expansion with high quality edge enhancement
JP6115191B2 (ja) * 2013-03-07 2017-04-19 株式会社リコー 静電潜像形成方法、静電潜像形成装置及び画像形成装置
JP6891816B2 (ja) * 2016-02-05 2021-06-18 株式会社リコー 記録方法及び記録装置
WO2017135200A1 (ja) * 2016-02-05 2017-08-10 株式会社リコー 記録方法及び記録装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1039842B (de) * 1957-08-14 1958-09-25 Rudol Hell Dr Ing Verfahren zur kuenstlichen Kontraststeigerung an Tonwertspruengen und Konturen in mittels elektronischer Klischier-maschinen herzustellenden Klischees
US3573789A (en) * 1968-12-13 1971-04-06 Ibm Method and apparatus for increasing image resolution
US4063232A (en) * 1972-01-11 1977-12-13 Fernald Olaf H System for improving the resolution of alpha-numeric characters displayed on a cathode ray tube
US4232342A (en) * 1973-04-13 1980-11-04 Skala Stephen F Multiplexing for facsimile systems
JPS52107723A (en) * 1974-12-28 1977-09-09 Seikosha Kk Device for forming picture
US4052715A (en) * 1976-02-25 1977-10-04 Xerox Corporation Digital half-tone grey scale expansion system
JPS5397832A (en) * 1977-02-07 1978-08-26 Ricoh Co Ltd Image recording system
DE2751326C3 (de) * 1977-11-17 1985-05-09 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zum Aufzeichnen von Schrift- oder Bildinformationen
US4242003A (en) * 1978-10-16 1980-12-30 Xerox Corporation Multi-pass matrix printing
US4387983A (en) * 1979-07-03 1983-06-14 Canon Kabushiki Kaisha Scan type image recording apparatus
DE3035440A1 (de) * 1979-09-20 1981-04-09 Canon K.K., Tokyo Elektrostatische aufzeichnungseinrichtung
JPS5678847A (en) * 1979-11-30 1981-06-29 Canon Inc Electrostatic recorder
US4365275A (en) * 1981-05-08 1982-12-21 Delta Scan, Inc. Method for producing images on radiation sensitive recording mediums

Also Published As

Publication number Publication date
EP0082281A1 (de) 1983-06-29
JPS58107557A (ja) 1983-06-27
EP0082281B1 (de) 1986-03-19
US4460909A (en) 1984-07-17
JPH0449105B2 (de) 1992-08-10

Similar Documents

Publication Publication Date Title
DE3270014D1 (en) Electrophotographic printer and method of electrophotographic printing
DE3367060D1 (en) Thermal transfer color printer and its method of operation
DE3274772D1 (en) Copying apparatus and method of copy sheet registration
JPS555896A (en) Printing ink and method of printing
GB2144867B (en) Multicolor image-forming method and multicolor image-forming materials therefor
JPS57210863A (en) Method of printing composite character in printer
DE3472077D1 (en) Thermal printing method and thermal printer
GB2139774B (en) Printer and method for determining exposure conditions thereof
JPS57185060A (en) Copying method and apparatus
DE3163126D1 (en) Duplex copy printing system and method
JPS57200056A (en) Electrophotographic method and apparatus
GB2159315B (en) Electrophotographic printers
JPS56168292A (en) Electronic printer and method of using same
EP0203196A4 (de) Verfahren und vorrichtung zur bildung mehrfarbiger bilder.
DE3566931D1 (en) Electrophotographic image forming apparatus
JPS54143307A (en) Printer and method of printing thereby
IL63583A0 (en) Method and apparatus for electrostatic printing and copying
GB2109310B (en) Electrographic printing
EP0082462A3 (en) Electrographic printer
IL57607A0 (en) Electrophotographic color printing method and apparatus
DE3564870D1 (en) Method of and apparatus for the formation of copies from colour documents difficult to copy
GB2108429B (en) Electrostatic printing method
JPS57161735A (en) Copying method and apparatus
IL59653A0 (en) Electrophotographic color printing method and apparatus
GB2104845B (en) Electrostatic printing method

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee