GB2111342B - A method for recording a halftone picture electronically - Google Patents

A method for recording a halftone picture electronically

Info

Publication number
GB2111342B
GB2111342B GB08231119A GB8231119A GB2111342B GB 2111342 B GB2111342 B GB 2111342B GB 08231119 A GB08231119 A GB 08231119A GB 8231119 A GB8231119 A GB 8231119A GB 2111342 B GB2111342 B GB 2111342B
Authority
GB
United Kingdom
Prior art keywords
recording
halftone picture
electronically
picture electronically
halftone
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
GB08231119A
Other versions
GB2111342A (en
Inventor
Makoto Hirosawa
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.)
Dainippon Screen Manufacturing Co Ltd
Original Assignee
Dainippon Screen Manufacturing Co 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 Dainippon Screen Manufacturing Co Ltd filed Critical Dainippon Screen Manufacturing Co Ltd
Publication of GB2111342A publication Critical patent/GB2111342A/en
Application granted granted Critical
Publication of GB2111342B publication Critical patent/GB2111342B/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46Colour picture communication systems
    • H04N1/52Circuits or arrangements for halftone screening
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/405Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055Halftoning, 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
    • H04N1/4058Halftoning, 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Color Image Communication Systems (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Image Processing (AREA)
GB08231119A 1981-11-07 1982-11-01 A method for recording a halftone picture electronically Expired GB2111342B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56178883A JPS5880639A (en) 1981-11-07 1981-11-07 Method for recording screen plate image

Publications (2)

Publication Number Publication Date
GB2111342A GB2111342A (en) 1983-06-29
GB2111342B true GB2111342B (en) 1985-08-21

Family

ID=16056359

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08231119A Expired GB2111342B (en) 1981-11-07 1982-11-01 A method for recording a halftone picture electronically

Country Status (4)

Country Link
JP (1) JPS5880639A (en)
DE (1) DE3240697C2 (en)
FR (1) FR2516329B1 (en)
GB (1) GB2111342B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59129854A (en) * 1983-01-18 1984-07-26 Dainippon Screen Mfg Co Ltd Light quantity correcting method in case of scanning and recording of picture
JPS61186077A (en) * 1985-02-13 1986-08-19 Fuji Xerox Co Ltd Picture recording system
GB8514608D0 (en) * 1985-06-10 1985-07-10 Crosfield Electronics Ltd Colour modification in image reproduction systems
JPH0683374B2 (en) * 1986-02-14 1994-10-19 富士写真フイルム株式会社 Method of forming halftone image
AU605298B2 (en) * 1987-05-29 1991-01-10 Digital Equipment Corporation System for producing dithered images on asymmetric grids
JPH0769681B2 (en) * 1987-07-08 1995-07-31 松下電器産業株式会社 Halftone dot processor
EP0711067A3 (en) * 1989-11-21 1996-07-10 Toyo Ink Mfg Co Method to form density patterns for reproducing binary gradations
GB9008318D0 (en) * 1990-04-12 1990-06-13 Crosfield Electronics Ltd Methods and apparatus for half-tone imaging
DE69133044T2 (en) * 1991-02-08 2003-03-06 Adobe Systems, Inc. Dot size control method for digital halftone screening with multi-cell threshold matrix
JP2763992B2 (en) * 1992-09-09 1998-06-11 大日本スクリーン製造株式会社 Halftone dot recording device
US5291296A (en) * 1992-09-29 1994-03-01 Xerox Corporation Specific set of rotated screens for digital halftoning
EP0665673A3 (en) * 1994-02-01 1996-06-12 Dainippon Screen Mfg Method and apparatus for producing a halftone image using a threshold matrix.
JP2003087567A (en) 2001-06-26 2003-03-20 Fujitsu Ltd Printing method and apparatus, and binary-form dither matrix pattern

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2012728C3 (en) * 1970-03-18 1974-09-19 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Process for the electro-optical recording of screened halftone images
GB1495499A (en) * 1974-01-30 1977-12-21 Crosfield Electronics Ltd Image reproduction systems
GB1523032A (en) * 1976-03-03 1978-08-31 Crosfield Electronics Ltd Image reproducing apparatus
DE2827596C2 (en) * 1978-06-23 1984-11-22 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Method and arrangement for the production of screened printing forms
DE2903062A1 (en) * 1979-01-26 1980-08-07 Mohn Gmbh Reinhard Digital control raster scanner - has laser writing head with different spacings for each colour

Also Published As

Publication number Publication date
JPS5880639A (en) 1983-05-14
DE3240697A1 (en) 1983-05-26
FR2516329A1 (en) 1983-05-13
DE3240697C2 (en) 1986-04-10
JPS6236427B2 (en) 1987-08-06
FR2516329B1 (en) 1988-03-11
GB2111342A (en) 1983-06-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19951101