NL6804028A - - Google Patents

Info

Publication number
NL6804028A
NL6804028A NL6804028A NL6804028A NL6804028A NL 6804028 A NL6804028 A NL 6804028A NL 6804028 A NL6804028 A NL 6804028A NL 6804028 A NL6804028 A NL 6804028A NL 6804028 A NL6804028 A NL 6804028A
Authority
NL
Netherlands
Application number
NL6804028A
Other versions
NL152670B (nl
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 NL6804028A publication Critical patent/NL6804028A/xx
Publication of NL152670B publication Critical patent/NL152670B/xx

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
NL6804028A 1967-03-22 1968-03-21 Rasterfotografische beeldreproduktie-inrichting, voorzien van organen voor het dwars op de aftastregel bewegen en in grootte moduleren van de aftastlichtvlek. NL152670B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62503867A 1967-03-22 1967-03-22

Publications (2)

Publication Number Publication Date
NL6804028A true NL6804028A (da) 1968-09-23
NL152670B NL152670B (nl) 1977-03-15

Family

ID=24504320

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6804028A NL152670B (nl) 1967-03-22 1968-03-21 Rasterfotografische beeldreproduktie-inrichting, voorzien van organen voor het dwars op de aftastregel bewegen en in grootte moduleren van de aftastlichtvlek.

Country Status (7)

Country Link
CH (1) CH486322A (da)
DE (1) DE1772022C3 (da)
DK (1) DK145136C (da)
FR (1) FR1605174A (da)
GB (1) GB1206681A (da)
NL (1) NL152670B (da)
SE (1) SE326892B (da)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189752A (en) * 1973-11-12 1980-02-19 Printing Developments, Inc. Electronic screening with galvanometer recorders

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983319A (en) * 1973-11-12 1976-09-28 Printing Developments, Inc. Electronic screening for image reproduction
DE2844158C3 (de) 1978-10-10 1981-10-15 Burda Verwaltungs Kg Schutterwald, 7600 Offenburg Verfahren zur Reproduktion von Originalvorlagen welche bezüglich ihres Farbgehaltes nach einem Dreibereichsverfahren abgetastet werden
FR2467078A1 (fr) * 1979-10-11 1981-04-17 Machulka Grigory Dispositif a laser pour la fabrication des formes d'impression
DE3175918D1 (en) * 1981-10-19 1987-03-12 Hell Rudolf Dr Ing Gmbh Contrast enhancement method
US4701808A (en) * 1983-11-01 1987-10-20 Canon Kabushiki Kaisha Image processing apparatus with variable magnification and gray level processing
DE4038057C2 (de) * 1990-11-29 1997-05-15 Hell Ag Linotype Verfahren zur Generierung und Speicherung von digitalisierten Dichteschwellwerten zur Rasterung einer Halbtonbildvorlage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189752A (en) * 1973-11-12 1980-02-19 Printing Developments, Inc. Electronic screening with galvanometer recorders

Also Published As

Publication number Publication date
NL152670B (nl) 1977-03-15
DK145136B (da) 1982-09-13
DK145136C (da) 1983-03-28
CH486322A (de) 1970-02-28
DE1772022B2 (da) 1975-03-06
DE1772022C3 (de) 1975-10-16
DE1772022A1 (de) 1970-08-06
FR1605174A (da) 1973-04-16
GB1206681A (en) 1970-09-30
SE326892B (da) 1970-08-03

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: PRINTING