FR928110A - Process and equipment for the rapid reproduction of all line or halftone documents, monochrome or polychrome, in raster or hatched images with variable pitch intended for the engraving of cylinders for printing on fabrics, paper, etc. - Google Patents

Process and equipment for the rapid reproduction of all line or halftone documents, monochrome or polychrome, in raster or hatched images with variable pitch intended for the engraving of cylinders for printing on fabrics, paper, etc.

Info

Publication number
FR928110A
FR928110A FR928110DA FR928110A FR 928110 A FR928110 A FR 928110A FR 928110D A FR928110D A FR 928110DA FR 928110 A FR928110 A FR 928110A
Authority
FR
France
Prior art keywords
polychrome
engraving
monochrome
raster
fabrics
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
Other languages
French (fr)
Inventor
Maurice Lange
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.)
Societe des Etablissements Edouard Belin SA
Original Assignee
Societe des Etablissements Edouard Belin SA
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 Societe des Etablissements Edouard Belin SA filed Critical Societe des Etablissements Edouard Belin SA
Application granted granted Critical
Publication of FR928110A publication Critical patent/FR928110A/en
Expired 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
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/032—Details of scanning heads ; Means for illuminating the original for picture information reproduction
    • H04N1/036—Details of scanning heads ; Means for illuminating the original for picture information reproduction for optical reproduction
    • 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
    • H04N1/4056—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 the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]
FR928110D 1947-04-24 1946-05-08 Process and equipment for the rapid reproduction of all line or halftone documents, monochrome or polychrome, in raster or hatched images with variable pitch intended for the engraving of cylinders for printing on fabrics, paper, etc. Expired FR928110A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR56772T 1947-04-24

Publications (1)

Publication Number Publication Date
FR928110A true FR928110A (en) 1947-11-19

Family

ID=8690925

Family Applications (2)

Application Number Title Priority Date Filing Date
FR928110D Expired FR928110A (en) 1947-04-24 1946-05-08 Process and equipment for the rapid reproduction of all line or halftone documents, monochrome or polychrome, in raster or hatched images with variable pitch intended for the engraving of cylinders for printing on fabrics, paper, etc.
FR56772D Expired FR56772E (en) 1947-04-24 1947-04-24 Process and equipment for the rapid reproduction of all line or half-tone documents, monochrome or polychrome, in raster or hatched images at variable pitch, intended for the engraving of cylinders for printing on fabrics, papers, etc.

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR56772D Expired FR56772E (en) 1947-04-24 1947-04-24 Process and equipment for the rapid reproduction of all line or half-tone documents, monochrome or polychrome, in raster or hatched images at variable pitch, intended for the engraving of cylinders for printing on fabrics, papers, etc.

Country Status (4)

Country Link
US (1) US2524531A (en)
CH (1) CH262573A (en)
FR (2) FR928110A (en)
GB (1) GB643330A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2796534A (en) * 1951-01-23 1957-06-18 Wilbespan Res Labs Inc Photo-electric tone generator
US2892124A (en) * 1955-11-09 1959-06-23 Rabinow Jacob Noise discriminating, high gain automatic headlight dimmer
US2978590A (en) * 1956-04-20 1961-04-04 Intelligent Machines Res Corp Scanning apparatus
US3196279A (en) * 1962-06-12 1965-07-20 Control Company Inc Comp Photosensitive digital shaft encoder
US3334226A (en) * 1963-12-30 1967-08-01 Exxon Production Research Co Apparatus for simulataneously measuring fluid density and flow rate on a single photographic film

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB294508A (en) * 1927-04-14 1928-07-16 Arthur Oswald Thomas Yeo Improvements in or relating to musical instruments
US2063998A (en) * 1930-12-13 1936-12-15 Bell Telephone Labor Inc Electro-optical system
FR743655A (en) * 1931-03-04 1933-04-03
US2152348A (en) * 1936-08-07 1939-03-28 William G H Finch Telepicture recording system
US2287033A (en) * 1938-05-28 1942-06-23 Columbia Broadcasting Syst Inc Method and apparatus for television
US2274841A (en) * 1940-04-16 1942-03-03 Rca Corp Photo radio system
US2294643A (en) * 1940-07-05 1942-09-01 Interchenical Corp Method and apparatus for reproducing pictures
US2357938A (en) * 1941-11-25 1944-09-12 Interchem Corp System for controlled intermittent illumination
US2347015A (en) * 1942-09-17 1944-04-18 Press Ass Inc Means of compensating for drift of photoelectric devices and associated circuits
US2432123A (en) * 1945-04-05 1947-12-09 Bell Telephone Labor Inc Translation of visual symbols

Also Published As

Publication number Publication date
FR56772E (en) 1952-10-06
CH262573A (en) 1949-07-15
GB643330A (en) 1950-09-20
US2524531A (en) 1950-10-03

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