JPS5249361B1 - - Google Patents

Info

Publication number
JPS5249361B1
JPS5249361B1 JP45002686A JP268670A JPS5249361B1 JP S5249361 B1 JPS5249361 B1 JP S5249361B1 JP 45002686 A JP45002686 A JP 45002686A JP 268670 A JP268670 A JP 268670A JP S5249361 B1 JPS5249361 B1 JP S5249361B1
Authority
JP
Japan
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.)
Pending
Application number
JP45002686A
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 filed Critical
Publication of JPS5249361B1 publication Critical patent/JPS5249361B1/ja
Pending 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
    • H04N1/4058—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 with details for producing a halftone screen at an oblique angle
JP45002686A 1969-01-10 1970-01-08 Pending JPS5249361B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691901101 DE1901101A1 (de) 1969-01-10 1969-01-10 Verfahren zur punkt- und zeilenweisen gerasterten Aufzeichnung der durch Abtastung von Halbtonbildern gewonnenen Bildsignale mit gegen die Aufzeichnungsrichtung gedrehtem Raster

Publications (1)

Publication Number Publication Date
JPS5249361B1 true JPS5249361B1 (ja) 1977-12-16

Family

ID=5722107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45002686A Pending JPS5249361B1 (ja) 1969-01-10 1970-01-08

Country Status (5)

Country Link
US (1) US3657472A (ja)
JP (1) JPS5249361B1 (ja)
DE (1) DE1901101A1 (ja)
FR (1) FR2033231A1 (ja)
GB (1) GB1294363A (ja)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5233523B1 (ja) * 1971-02-18 1977-08-29
US3742129A (en) * 1971-07-07 1973-06-26 Harris Intertype Corp Apparatus and method for generating halftones for image reproduction
US3904816A (en) * 1971-07-28 1975-09-09 Hell Rudolf Method for the dot-by-dot and line-by-line reproduction of picture originals
US3770888A (en) * 1971-10-04 1973-11-06 Werkspoor Amsterdam Nv Method and apparatus for controlling the engraving pattern of an electromagnetic gravure engraving
JPS4971811A (ja) * 1972-11-13 1974-07-11
GB1493924A (en) * 1974-01-07 1977-11-30 Crosfield Electronics Ltd Screened image reproduction
GB1495499A (en) * 1974-01-30 1977-12-21 Crosfield Electronics Ltd Image reproduction systems
DE2430762A1 (de) * 1974-06-26 1976-01-15 Gruner & Jahr Verfahren zur informationsverarbeitung fuer die herstellung einer druckform und vorrichtung zur durchfuehrung des verfahrens
DE2445541C2 (de) * 1974-09-24 1984-02-02 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren und Vorrichtung zur Herstellung von Kopien
GB1549714A (en) * 1975-05-12 1979-08-08 Ecrm Making halftone reproductions
JPS51150401A (en) * 1975-06-18 1976-12-24 Dainippon Screen Mfg Method and device for scanning recording screen printed image
US4081828A (en) * 1976-03-15 1978-03-28 Geosource, Inc. Method for halftone reproduction of continuous tone images
DE2658502C3 (de) * 1976-12-23 1980-01-24 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Einrichtung zur Herstellung gerasterter Druckformen
DK153426B (da) * 1977-04-12 1988-07-11 Eskofot As Fremgangsmaade til styring kontrasten ved raster eproduktion
DE2834456C2 (de) * 1978-08-05 1986-01-09 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Einrichtung zur gemischten Aufzeichnung von Rasterbildern und Strichinformationen
US4350996A (en) * 1980-04-14 1982-09-21 Scitex Corporation Ltd. Screened image reproduction
US4456924A (en) * 1980-04-14 1984-06-26 Scitex Corporation Ltd. Screened image reproduction
US4499489A (en) * 1981-06-08 1985-02-12 Dr. Ing. Rudolf Hell Gmbh Production of screen printing blocks
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
JPH0691621B2 (ja) * 1988-11-24 1994-11-14 大日本スクリーン製造株式会社 網目版画像記録方法および装置
US6163382A (en) * 1989-07-20 2000-12-19 Netz; Yoel Devices and methods for offset and similar printing systems
DE69025706T2 (de) * 1989-11-08 1996-08-01 Adobe Systems Inc Verfahren zur Erzeugung gerasterter Halbtonbilder
EP0711067A3 (en) * 1989-11-21 1996-07-10 Toyo Ink Mfg Co Process for the formation of density patterns for the reproduction of binary gradations
GB9008318D0 (en) * 1990-04-12 1990-06-13 Crosfield Electronics Ltd Methods and apparatus for half-tone imaging
US5642436A (en) * 1990-07-18 1997-06-24 Linotype-Hell Ag Method for generating and storing digitalized density threshold values for the rastering of a half-tone picture original
DE4022772A1 (de) * 1990-07-18 1992-02-13 Linotype Ag Verfahren zur generierung und speicherung von digitalisierten dichte-schwellwerten zur rasterung einer halbton-bildvorlage
US5258832A (en) * 1990-09-14 1993-11-02 Minnesota Mining And Manufacturing Company Non-perpendicular, unequal frequency non-conventional screen patterns for electronic halftone generation
US5264926A (en) * 1990-09-14 1993-11-23 Minnesota Mining And Manufacturing Company Perpendicular, equal frequency non-conventional screen patterns for electronic halftone generation
US5323245A (en) * 1990-09-14 1994-06-21 Minnesota Mining And Manufacturing Company Perpendicular, unequal frequency non-conventional screen patterns for electronic halftone generation
US5583660A (en) * 1990-09-14 1996-12-10 Minnesota Mining And Manufacturing Company Non-perpendicular, equal frequency non-conventional screen patterns for electronic halftone generation
US5253084A (en) * 1990-09-14 1993-10-12 Minnesota Mining And Manufacturing Company General kernel function for electronic halftone generation
DE4038057C2 (de) * 1990-11-29 1997-05-15 Hell Ag Linotype Verfahren zur Generierung und Speicherung von digitalisierten Dichteschwellwerten zur Rasterung einer Halbtonbildvorlage
DE4038056C2 (de) * 1990-11-29 1997-05-15 Hell Ag Linotype Verfahren zur Generierung und Speicherung von digitalisierten Dichteschwellwerten zur Rasterung einer Halbton-Bildvorlage
US5140431A (en) * 1990-12-31 1992-08-18 E. I. Du Pont De Nemours And Company Digital electronic system for halftone printing
US5239625A (en) * 1991-03-05 1993-08-24 Rampage Systems, Inc. Apparatus and method to merge images rasterized at different resolutions
US5307181A (en) * 1991-09-03 1994-04-26 Levien Raphael L Screen generation for halftone screening of images using scan line segments of oversized screen scan lines
US5442461A (en) * 1991-09-03 1995-08-15 Levien; Raphael L. Screen generation for halftone screening of images with reduction of irrational correction artifacts
US5315406A (en) * 1991-09-03 1994-05-24 Levien Raphael L Screen generation for halftone screening of images using arbitrary distribution of transformed screen coordinates
US5473734A (en) * 1992-02-18 1995-12-05 Linotype-Hell Ag Method and apparatus for exposure calibration in recording devices

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL26557C (ja) * 1927-08-13
US1849544A (en) * 1930-01-31 1932-03-15 Howey Walter Process of and apparatus for producing printing plates
US2695924A (en) * 1951-06-22 1954-11-30 Ernest S Ballard Engraving method and apparatus
DE946329C (de) * 1952-03-20 1956-07-26 Hell Rudolf Dr Ing Fa Verfahren zum Herstellen gerasterter Klischees unter Verwendung der Methoden der Bildtelegraphie
GB1097735A (en) * 1964-09-23 1968-01-03 Kyte Derek John Improvements in or relating to printing
US3465199A (en) * 1968-11-26 1969-09-02 Rca Corp Electronic halftone image generator

Also Published As

Publication number Publication date
FR2033231A1 (fr) 1970-12-04
DE1901101A1 (de) 1970-10-29
GB1294363A (en) 1972-10-25
US3657472A (en) 1972-04-18

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