GB2081549A - Halftone picture recording - Google Patents

Halftone picture recording Download PDF

Info

Publication number
GB2081549A
GB2081549A GB8123714A GB8123714A GB2081549A GB 2081549 A GB2081549 A GB 2081549A GB 8123714 A GB8123714 A GB 8123714A GB 8123714 A GB8123714 A GB 8123714A GB 2081549 A GB2081549 A GB 2081549A
Authority
GB
United Kingdom
Prior art keywords
halftone dot
signal
data
halftone
picture
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.)
Withdrawn
Application number
GB8123714A
Other languages
English (en)
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 GB2081549A publication Critical patent/GB2081549A/en
Withdrawn legal-status Critical Current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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Processing (AREA)
GB8123714A 1980-08-08 1981-08-03 Halftone picture recording Withdrawn GB2081549A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10828180A JPS5734556A (en) 1980-08-08 1980-08-08 Method and device for dot image scanning and recording

Publications (1)

Publication Number Publication Date
GB2081549A true GB2081549A (en) 1982-02-17

Family

ID=14480663

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8123714A Withdrawn GB2081549A (en) 1980-08-08 1981-08-03 Halftone picture recording

Country Status (3)

Country Link
JP (1) JPS5734556A (enrdf_load_stackoverflow)
DE (1) DE3131390C2 (enrdf_load_stackoverflow)
GB (1) GB2081549A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59163952A (ja) * 1983-03-08 1984-09-17 Canon Inc 画像処理装置
EP0216462B1 (en) * 1985-08-15 1993-05-26 Canon Kabushiki Kaisha An apparatus for generating an image from a digital video signal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3742129A (en) * 1971-07-07 1973-06-26 Harris Intertype Corp Apparatus and method for generating halftones for image reproduction
GB1448112A (en) * 1973-02-13 1976-09-02 Int Publishing Corp Ltd Electronic screening
US3983319A (en) * 1973-11-12 1976-09-28 Printing Developments, Inc. Electronic screening for image reproduction
JPS51150401A (en) * 1975-06-18 1976-12-24 Dainippon Screen Mfg Method and device for scanning recording screen printed image

Also Published As

Publication number Publication date
JPS5734556A (en) 1982-02-24
DE3131390A1 (de) 1982-04-08
JPS6235303B2 (enrdf_load_stackoverflow) 1987-07-31
DE3131390C2 (de) 1986-09-04

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)