CA1171963A - Method for improved image reproduction in reproduction technology - Google Patents

Method for improved image reproduction in reproduction technology

Info

Publication number
CA1171963A
CA1171963A CA000369028A CA369028A CA1171963A CA 1171963 A CA1171963 A CA 1171963A CA 000369028 A CA000369028 A CA 000369028A CA 369028 A CA369028 A CA 369028A CA 1171963 A CA1171963 A CA 1171963A
Authority
CA
Canada
Prior art keywords
recording
scanning
beams
line
raster
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
CA000369028A
Other languages
English (en)
French (fr)
Inventor
Gerhard Sing
Klaus Wellendorf
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.)
Dr Ing Rudolf Hell GmbH
Original Assignee
Dr Ing Rudolf Hell GmbH
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 Dr Ing Rudolf Hell GmbH filed Critical Dr Ing Rudolf Hell GmbH
Application granted granted Critical
Publication of CA1171963A publication Critical patent/CA1171963A/en
Expired legal-status Critical Current

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
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
    • 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
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/3871—Composing, repositioning or otherwise geometrically modifying originals the composed originals being of different kinds, e.g. low- and high-resolution originals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Processing (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
CA000369028A 1980-01-26 1981-01-21 Method for improved image reproduction in reproduction technology Expired CA1171963A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3002781.7 1980-01-26
DE19803002781 DE3002781A1 (de) 1980-01-26 1980-01-26 Verfahren zur verbesserten bildwiedergabe in der reproduktionstechnik

Publications (1)

Publication Number Publication Date
CA1171963A true CA1171963A (en) 1984-07-31

Family

ID=6092993

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000369028A Expired CA1171963A (en) 1980-01-26 1981-01-21 Method for improved image reproduction in reproduction technology

Country Status (9)

Country Link
US (1) US4419691A (enExample)
EP (1) EP0033106B1 (enExample)
JP (1) JPS57500172A (enExample)
BR (1) BR8106436A (enExample)
CA (1) CA1171963A (enExample)
CS (2) CS238392B2 (enExample)
DD (1) DD160128A5 (enExample)
DE (1) DE3002781A1 (enExample)
WO (1) WO1981002206A1 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5816237A (ja) * 1981-07-22 1983-01-29 Dainippon Screen Mfg Co Ltd 画像走査記録方法
JPS5961277A (ja) * 1982-09-29 1984-04-07 Toshiba Corp 印刷装置
JPS5964846A (ja) * 1982-10-05 1984-04-12 Dainippon Screen Mfg Co Ltd 絵柄と線画の同時記録方法
US4532503A (en) * 1982-11-08 1985-07-30 International Business Machines Corporation Sequence controlled pixel configuration
US4533941A (en) * 1983-01-14 1985-08-06 Coulter Systems Corporation Method and apparatus for half-tone reproduction of a varying tone original image
US4504141A (en) * 1983-07-07 1985-03-12 Noby Yamakoshi System for making matched backgrounds
GB8330869D0 (en) * 1983-11-18 1983-12-29 Centurfax Ltd Page make-up system
US4733304A (en) * 1984-10-11 1988-03-22 Dai Nippon Insatsu Kabushiki Kaisha Method of processing picture data for printing process and device implementing the same
DE3609252A1 (de) * 1985-03-20 1986-10-02 Canon K.K., Tokio/Tokyo Verfahren und vorrichtung zur bildreproduktion
US4742399A (en) * 1985-11-01 1988-05-03 Dainippon Screen Mfg. Co., Ltd. Method of and apparatus for generating high-resolution bilevel image data
EP0241569B1 (de) * 1986-04-15 1990-12-05 Maurer Electronics Gmbh Bildwiedergabesystem zur Erzeugung eines digitalen Bildes
US4739416A (en) * 1986-09-15 1988-04-19 Matrix Instruments Inc. Digital image reproduction
US4725891A (en) * 1986-09-15 1988-02-16 Matrix Instruments Inc. Film image digitizer
DE68927970T2 (de) * 1988-09-08 1997-10-09 Canon Kk Punktbilddatenausgabegerät
US5382967A (en) * 1990-06-11 1995-01-17 Xerox Corporation Continuously tunable raster resolution printing
IL98700A (en) * 1990-07-13 1994-04-12 Minnesota Mining & Mfg A method and device for building a composite figure from several data types
WO1995033330A1 (en) * 1994-05-27 1995-12-07 Lasermaster Corporation Technique for rendering images on a binary marking engine
US5659634A (en) * 1994-09-29 1997-08-19 Xerox Corporation Apparatus and method for encoding and reconstructing image data
JP3542685B2 (ja) * 1995-06-27 2004-07-14 セイコーエプソン株式会社 マルチトーンをもつバイナリ画像の圧縮及び復元のための装置及び方法
US6608800B2 (en) * 1998-09-30 2003-08-19 Howard Hong-Dough Lee Optical data-storage apparatus employing optical media with three-dimensional data pattern

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2262824C3 (de) * 1972-12-22 1975-07-10 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur gerasterten Reproduktion farbiger Halbtonbilder im Ein- oder Mehrfarbendruck
US3849592A (en) * 1973-02-05 1974-11-19 Litton Systems Inc Graphic data redundancy reduction for text and half-tone optical facsimile system
US4075663A (en) * 1975-03-19 1978-02-21 Dr. -Ing. Rudolf Hell Gmbh Method for the rastered reproduction of half-tone pictures providing changes in the individual picture elements during transfer from an original to a reproduction
JPS5233523A (en) * 1975-09-08 1977-03-14 Photo Composing Mach Mfg Co Ltd Photocomposer and process for the manufacture of printing type
US4084196A (en) * 1977-01-31 1978-04-11 Dacom, Inc. Electronic half-tone generating means for facsimile reproduction system
US4150400A (en) * 1977-03-31 1979-04-17 International Business Machines Corporation Methods of a coarse-scan/fine-print character reproduction with compression
FR2386213A1 (fr) * 1977-03-31 1978-10-27 Ibm Procede de reproduction a resolution fine a partir d'un balayage a resolution grossiere
US4124870A (en) * 1977-03-31 1978-11-07 International Business Machines Corporation Method for improving print quality of coarse-scan/fine-print character reproduction
DE2813821C2 (de) * 1978-03-31 1987-02-19 Grünzweig + Hartmann Montage GmbH, 6700 Ludwigshafen Ebenwandiger, großen zeitlichen Temperaturgradienten ausgesetzter Fortleitungskanal aus Metallblechtafeln
DE2834456C2 (de) * 1978-08-05 1986-01-09 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Einrichtung zur gemischten Aufzeichnung von Rasterbildern und Strichinformationen
JPS5830573A (ja) * 1981-08-18 1983-02-23 Nakagawa Denka Sangyo Kk タイマ−

Also Published As

Publication number Publication date
CS233717B2 (en) 1985-03-14
DE3002781A1 (de) 1981-07-30
EP0033106A1 (de) 1981-08-05
CS238392B2 (en) 1985-11-13
EP0033106B1 (de) 1984-08-22
DD160128A5 (de) 1983-05-04
JPS57500172A (enExample) 1982-01-28
WO1981002206A1 (fr) 1981-08-06
BR8106436A (pt) 1981-12-01
US4419691A (en) 1983-12-06

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Legal Events

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