IT956258B - METHOD AND PHOTOGRAPHIC DEVICE FOR OBTAINING HALF-TONE PRINT COPIES - Google Patents

METHOD AND PHOTOGRAPHIC DEVICE FOR OBTAINING HALF-TONE PRINT COPIES

Info

Publication number
IT956258B
IT956258B IT2391172A IT2391172A IT956258B IT 956258 B IT956258 B IT 956258B IT 2391172 A IT2391172 A IT 2391172A IT 2391172 A IT2391172 A IT 2391172A IT 956258 B IT956258 B IT 956258B
Authority
IT
Italy
Prior art keywords
photographic device
print copies
tone print
obtaining half
obtaining
Prior art date
Application number
IT2391172A
Other languages
Italian (it)
Inventor
R Berry
Original Assignee
R Berry
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 R Berry filed Critical R Berry
Application granted granted Critical
Publication of IT956258B publication Critical patent/IT956258B/en

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 Image Signal Circuits (AREA)
IT2391172A 1971-05-04 1972-05-04 METHOD AND PHOTOGRAPHIC DEVICE FOR OBTAINING HALF-TONE PRINT COPIES IT956258B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1308071 1971-05-04

Publications (1)

Publication Number Publication Date
IT956258B true IT956258B (en) 1973-10-10

Family

ID=10016449

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2391172A IT956258B (en) 1971-05-04 1972-05-04 METHOD AND PHOTOGRAPHIC DEVICE FOR OBTAINING HALF-TONE PRINT COPIES

Country Status (3)

Country Link
BE (1) BE783030A (en)
DE (1) DE2221901A1 (en)
IT (1) IT956258B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55146582A (en) 1979-04-27 1980-11-14 Matsushita Electric Ind Co Ltd Image recording method
US4920501A (en) * 1988-10-19 1990-04-24 Eastman Kodak Company Digital halftoning with minimum visual modulation patterns
DE4025793A1 (en) * 1990-08-13 1992-02-20 Siemens Ag METHOD FOR PRINTING A HALFTONE IMAGE

Also Published As

Publication number Publication date
DE2221901A1 (en) 1972-12-07
BE783030A (en) 1972-09-01

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