IT1162765B - Procedimento per registrare con maggiore finezza elementi di scrittura a tratti per la preparazione di pellicole per matrici per stampa - Google Patents

Procedimento per registrare con maggiore finezza elementi di scrittura a tratti per la preparazione di pellicole per matrici per stampa

Info

Publication number
IT1162765B
IT1162765B IT24726/79A IT2472679A IT1162765B IT 1162765 B IT1162765 B IT 1162765B IT 24726/79 A IT24726/79 A IT 24726/79A IT 2472679 A IT2472679 A IT 2472679A IT 1162765 B IT1162765 B IT 1162765B
Authority
IT
Italy
Prior art keywords
tracts
dies
writing
films
printing
Prior art date
Application number
IT24726/79A
Other languages
English (en)
Other versions
IT7924726A0 (it
Original Assignee
Hell Rudolf Dr Ing 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 Hell Rudolf Dr Ing Gmbh filed Critical Hell Rudolf Dr Ing Gmbh
Publication of IT7924726A0 publication Critical patent/IT7924726A0/it
Application granted granted Critical
Publication of IT1162765B publication Critical patent/IT1162765B/it

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
    • H04N1/40062—Discrimination between different image types, e.g. two-tone, continuous tone
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Processing (AREA)
IT24726/79A 1978-08-05 1979-07-27 Procedimento per registrare con maggiore finezza elementi di scrittura a tratti per la preparazione di pellicole per matrici per stampa IT1162765B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2834456A DE2834456C2 (de) 1978-08-05 1978-08-05 Einrichtung zur gemischten Aufzeichnung von Rasterbildern und Strichinformationen

Publications (2)

Publication Number Publication Date
IT7924726A0 IT7924726A0 (it) 1979-07-27
IT1162765B true IT1162765B (it) 1987-04-01

Family

ID=6046357

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24726/79A IT1162765B (it) 1978-08-05 1979-07-27 Procedimento per registrare con maggiore finezza elementi di scrittura a tratti per la preparazione di pellicole per matrici per stampa

Country Status (15)

Country Link
US (1) US4276567A (it)
JP (1) JPS5830573B2 (it)
BR (1) BR7904656A (it)
CA (1) CA1127976A (it)
CH (1) CH641902A5 (it)
CS (1) CS221252B2 (it)
DD (1) DD145434A5 (it)
DE (1) DE2834456C2 (it)
ES (1) ES482862A1 (it)
FR (1) FR2432728A1 (it)
GB (1) GB2030025B (it)
IT (1) IT1162765B (it)
NL (1) NL182673C (it)
SE (1) SE438920B (it)
SU (1) SU1098529A3 (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3002781A1 (de) * 1980-01-26 1981-07-30 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur verbesserten bildwiedergabe in der reproduktionstechnik
GB2148664B (en) * 1981-04-24 1986-03-19 Canon Kk Variable mode facsimile apparatus
FR2542540B1 (fr) 1983-03-08 1989-02-10 Canon Kk Systeme de traitement d'images
GB8401933D0 (en) * 1984-01-25 1984-02-29 Crosfield Electronics Ltd Half-tone imaging
JPS60195589A (ja) * 1984-03-19 1985-10-04 オリンパス光学工業株式会社 画像表示装置
GB8410861D0 (en) * 1984-04-27 1984-06-06 Crosfield Electronics Ltd Half-tone dot imaging
JPS61203785A (ja) * 1985-03-07 1986-09-09 Dainippon Screen Mfg Co Ltd ２値画像デ−タの平滑化処理方法及びその装置
DE3641592A1 (de) * 1985-12-06 1987-06-11 Canon Kk Bilddaten-verarbeitungseinrichtung
DE3681276D1 (de) * 1986-03-04 1991-10-10 Agfa Gevaert Nv Verfahren und geraet zur herstellung einer zusammengesetzten wiedergabe, ausgehend von visuell unterscheidbaren bildern.
US4684602A (en) * 1986-06-30 1987-08-04 Eastman Kodak Company Multicolor laser recording method and element
JP2813196B2 (ja) * 1989-04-12 1998-10-22 株式会社リコー 画像処理装置
US5122883A (en) * 1990-03-02 1992-06-16 Xerographic Laser Images Corporation Raster scanning engine driver which independently locates engine drive signal transitions within each pixel
US5515182A (en) * 1992-08-31 1996-05-07 Howtek, Inc. Rotary scanner
JP3334779B2 (ja) * 1996-01-26 2002-10-15 セイコーエプソン株式会社 複合画像の処理方式及び方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1901101A1 (de) * 1969-01-10 1970-10-29 Hell Rudolf Dr Ing Fa Verfahren zur punkt- und zeilenweisen gerasterten Aufzeichnung der durch Abtastung von Halbtonbildern gewonnenen Bildsignale mit gegen die Aufzeichnungsrichtung gedrehtem Raster
JPS5233523B1 (it) * 1971-02-18 1977-08-29
GB1492740A (en) * 1973-12-17 1977-11-23 Crosfield Electronics Ltd Preparation of half-tone images
GB1499501A (en) * 1974-05-03 1978-02-01 Crosfield Electronics Ltd Image reproduction systems
GB1523032A (en) * 1976-03-03 1978-08-31 Crosfield Electronics Ltd Image reproducing apparatus
DE2658502C3 (de) * 1976-12-23 1980-01-24 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Einrichtung zur Herstellung gerasterter Druckformen
US4150400A (en) * 1977-03-31 1979-04-17 International Business Machines Corporation Methods of a coarse-scan/fine-print character reproduction with compression
US4185304A (en) * 1977-07-07 1980-01-22 Xerox Corporation Electronic halftone screening
US4184206A (en) * 1978-03-07 1980-01-15 Hughes Aircraft Company Subpixel X-Y coordinate encoding

Also Published As

Publication number Publication date
BR7904656A (pt) 1980-12-23
FR2432728B1 (it) 1982-11-19
CH641902A5 (de) 1984-03-15
NL7905755A (nl) 1980-02-07
CA1127976A (en) 1982-07-20
NL182673C (nl) 1988-04-18
ES482862A1 (es) 1980-04-16
GB2030025B (en) 1982-12-01
JPS5525094A (en) 1980-02-22
SE438920B (sv) 1985-05-13
FR2432728A1 (fr) 1980-02-29
IT7924726A0 (it) 1979-07-27
DE2834456C2 (de) 1986-01-09
DE2834456A1 (de) 1980-03-13
DD145434A5 (de) 1980-12-10
CS221252B2 (en) 1983-04-29
JPS5830573B2 (ja) 1983-06-30
NL182673B (nl) 1987-11-16
SE7906279L (sv) 1980-02-06
SU1098529A3 (ru) 1984-06-15
GB2030025A (en) 1980-03-26
US4276567A (en) 1981-06-30

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