BE530710A - - Google Patents

Info

Publication number
BE530710A
BE530710A BE530710DA BE530710A BE 530710 A BE530710 A BE 530710A BE 530710D A BE530710D A BE 530710DA BE 530710 A BE530710 A BE 530710A
Authority
BE
Belgium
Application number
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.)
Publication of BE530710A publication Critical patent/BE530710A/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
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6016—Conversion to subtractive colour signals
    • H04N1/6022—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Image Communication Systems (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
BE530710D 1953-07-30 BE530710A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US371355A US2807660A (en) 1953-07-30 1953-07-30 Color-correction systems

Publications (1)

Publication Number Publication Date
BE530710A true BE530710A (da)

Family

ID=23463635

Family Applications (1)

Application Number Title Priority Date Filing Date
BE530710D BE530710A (da) 1953-07-30

Country Status (5)

Country Link
US (1) US2807660A (da)
BE (1) BE530710A (da)
CH (1) CH325122A (da)
FR (1) FR1107546A (da)
GB (1) GB771249A (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL220780A (da) * 1956-09-19
US2918523A (en) * 1956-10-30 1959-12-22 Rca Corp Color correction system
NL220279A (da) * 1957-08-27
US3144510A (en) * 1960-03-01 1964-08-11 Fairchild Camera Instr Co Apparatus for the compression of color images
DE3262383D1 (en) * 1982-04-10 1985-03-28 Hell Rudolf Dr Ing Gmbh Four-color printing method with tone-value-dependent colour removal
EP0095518B1 (de) * 1982-05-29 1985-08-14 DR.-ING. RUDOLF HELL GmbH Verfahren zur tonwertabhängigen Farbrücknahme im Vierfarbendruck
US4965664A (en) * 1986-08-15 1990-10-23 Canon Kabushiki Kaisha Color image signal processing method and apparatus for recording a color image from input color image signals by converting an individual color signal component
US5402245A (en) * 1994-01-27 1995-03-28 Hewlett-Packard Company Bi-level digital color printer system exhibiting improved undercolor removal and error diffusion procedures

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2253086A (en) * 1937-01-16 1941-08-19 Eastman Kodak Co Color photography
US2413706A (en) * 1942-01-09 1947-01-07 Norman R Gunderson Apparatus for reproduction of pictorial representations
US2434561A (en) * 1944-07-08 1948-01-13 Interchem Corp Color facsimile
US2560567A (en) * 1946-10-09 1951-07-17 Norman R Gunderson Apparatus and method for use in color reproduction
US2691696A (en) * 1950-10-27 1954-10-12 Eastman Kodak Co Electrooptical unsharp masking in color reproduction
US2721892A (en) * 1951-06-27 1955-10-25 Eastman Kodak Co Variable electrooptical color correction
US2710889A (en) * 1953-01-21 1955-06-14 Edward Stern & Company Inc Color reproduction

Also Published As

Publication number Publication date
FR1107546A (fr) 1956-01-03
CH325122A (de) 1957-10-31
US2807660A (en) 1957-09-24
GB771249A (en) 1957-03-27

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