FR1167640A - Method and device for reproducing color images - Google Patents

Method and device for reproducing color images

Info

Publication number
FR1167640A
FR1167640A FR1167640DA FR1167640A FR 1167640 A FR1167640 A FR 1167640A FR 1167640D A FR1167640D A FR 1167640DA FR 1167640 A FR1167640 A FR 1167640A
Authority
FR
France
Prior art keywords
color images
reproducing color
reproducing
images
color
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)
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.)
ADALIA Ltd
Original Assignee
ADALIA Ltd
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 ADALIA Ltd filed Critical ADALIA Ltd
Application granted granted Critical
Publication of FR1167640A publication Critical patent/FR1167640A/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
    • H04N1/46—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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Image Signal Circuits (AREA)
FR1167640D 1954-04-01 1955-04-01 Method and device for reproducing color images Expired FR1167640A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US325493XA 1954-04-01 1954-04-01

Publications (1)

Publication Number Publication Date
FR1167640A true FR1167640A (en) 1958-11-27

Family

ID=21865526

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1167640D Expired FR1167640A (en) 1954-04-01 1955-04-01 Method and device for reproducing color images

Country Status (3)

Country Link
CH (1) CH325493A (en)
FR (1) FR1167640A (en)
GB (1) GB780523A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1224141B (en) * 1960-04-01 1966-09-01 Crosfield Electronics Ltd Device for image reproduction with a cathode ray tube as a light source

Also Published As

Publication number Publication date
CH325493A (en) 1957-11-15
GB780523A (en) 1957-08-07

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