DE3481889D1 - Halbtonabbildung. - Google Patents

Halbtonabbildung.

Info

Publication number
DE3481889D1
DE3481889D1 DE8484308990T DE3481889T DE3481889D1 DE 3481889 D1 DE3481889 D1 DE 3481889D1 DE 8484308990 T DE8484308990 T DE 8484308990T DE 3481889 T DE3481889 T DE 3481889T DE 3481889 D1 DE3481889 D1 DE 3481889D1
Authority
DE
Germany
Prior art keywords
halftone
illustration
halftone illustration
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
DE8484308990T
Other languages
English (en)
Inventor
Martin Rosen
George Charles Manley
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.)
Crosfield Electronics Ltd
Original Assignee
Crosfield Electronics Ltd
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 Crosfield Electronics Ltd filed Critical Crosfield Electronics Ltd
Application granted granted Critical
Publication of DE3481889D1 publication Critical patent/DE3481889D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N1/46—Colour picture communication systems
    • H04N1/52—Circuits or arrangements for halftone screening
    • 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
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/4105—Bandwidth or redundancy reduction for halftone screened pictures
DE8484308990T 1984-01-25 1984-12-20 Halbtonabbildung. Expired - Fee Related DE3481889D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848401933A GB8401933D0 (en) 1984-01-25 1984-01-25 Half-tone imaging

Publications (1)

Publication Number Publication Date
DE3481889D1 true DE3481889D1 (de) 1990-05-10

Family

ID=10555506

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484308990T Expired - Fee Related DE3481889D1 (de) 1984-01-25 1984-12-20 Halbtonabbildung.

Country Status (5)

Country Link
US (1) US4647962A (de)
EP (1) EP0151353B1 (de)
JP (1) JPS60165870A (de)
DE (1) DE3481889D1 (de)
GB (1) GB8401933D0 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61293069A (ja) * 1985-06-20 1986-12-23 Sharp Corp 画像情報記憶方法
JPH0683374B2 (ja) * 1986-02-14 1994-10-19 富士写真フイルム株式会社 網点画像の形成方法
GB8613223D0 (en) * 1986-05-30 1986-07-02 Crosfield Electronics Ltd Half-tone reproduction
DE3853627T2 (de) * 1987-12-31 1995-11-30 Eastman Kodak Co Elektro-optisches aufzeichnungsgerät mit aufzeichnung gemäss mehreren auflösungen.
US4977458A (en) * 1988-11-16 1990-12-11 Eastman Kodak Company Apparatus for addressing a font to suppress Moire patterns occurring thereby and a method for use therein
US4918622A (en) * 1988-11-16 1990-04-17 Eastman Kodak Company Electronic graphic arts screener
US4916545A (en) * 1988-11-16 1990-04-10 Eastman Kodak Company Electronic graphic arts screener that suppresses Moire patterns using pseudo-random font selection
US5274473A (en) * 1989-08-04 1993-12-28 Intergraph Corporation Rapid variable angle digital screening
US5471543A (en) * 1990-06-25 1995-11-28 Eastman Kodak Company Mixed screen frequencies with image segmentation
IL98700A (en) * 1990-07-13 1994-04-12 Minnesota Mining & Mfg A method and device for building a composite figure from several data types
GB2249910B (en) * 1990-11-19 1994-11-30 Le Proizv Ob Poligraficheskogo Method of and apparatus for making a half-tone reproduction of an image
US5170261A (en) * 1990-11-21 1992-12-08 Polaroid Corporation Printing method
JP2651493B2 (ja) * 1990-11-21 1997-09-10 スターリング ドライ イメイジング，インコーポレイテッド 印刷装置及び方法
US5221971A (en) * 1990-11-21 1993-06-22 Polaroid Corporation Area modulation printing apparatus
JP2718570B2 (ja) * 1990-11-21 1998-02-25 スターリング ドライ イメイジング，インコーポレイテッド 印刷装置
US5742325A (en) * 1993-10-28 1998-04-21 Xerox Corporation Micro segmentation in a hyperacuity printer
CA2128995C (en) * 1993-12-10 1998-08-04 Douglas N. Curry Micro segmentation in a hyperacuity printer
US7865065B2 (en) * 2002-03-08 2011-01-04 Sony Corporation Apparatus and method of recording information on a recording medium
US20110164182A1 (en) * 2010-01-06 2011-07-07 Takashi Wada Video Processing Apparatus and Video Processing Method
JP6708476B2 (ja) * 2016-05-27 2020-06-10 キヤノン株式会社 文書保存処理システム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5220091B2 (de) * 1972-08-23 1977-06-01
US4004079A (en) * 1975-11-14 1977-01-18 Optronics International, Inc. Method and apparatus for dual resolution photographic reproduction of line and continuous tone graphic materials
GB1582954A (en) * 1976-06-28 1981-01-21 Crosfield Electronics Ltd Printing methods and apparatus
DE2834456C2 (de) * 1978-08-05 1986-01-09 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Einrichtung zur gemischten Aufzeichnung von Rasterbildern und Strichinformationen
US4320419A (en) * 1979-07-30 1982-03-16 Crosfield Electronics Limited Image reproduction equipment
JPS5811941A (ja) * 1981-07-16 1983-01-22 Dainippon Screen Mfg Co Ltd 網目版画像記録装置における絵柄信号と文字信号の処理方法
JPS58157255A (ja) * 1982-03-13 1983-09-19 Dainippon Screen Mfg Co Ltd 画像走査記録方法
JPS5912671A (ja) * 1982-07-12 1984-01-23 Dainippon Screen Mfg Co Ltd 画像走査記録方法
US4516139A (en) * 1982-11-05 1985-05-07 Sharp Kabushiki Kaisha Print control system in a color image printer

Also Published As

Publication number Publication date
JPS60165870A (ja) 1985-08-29
GB8401933D0 (en) 1984-02-29
US4647962A (en) 1987-03-03
EP0151353B1 (de) 1990-04-04
JPH0511466B2 (de) 1993-02-15
EP0151353A2 (de) 1985-08-14
EP0151353A3 (en) 1986-10-29

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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