GB1436638A - Method of and device for identifying colours - Google Patents

Method of and device for identifying colours

Info

Publication number
GB1436638A
GB1436638A GB2194873A GB2194873A GB1436638A GB 1436638 A GB1436638 A GB 1436638A GB 2194873 A GB2194873 A GB 2194873A GB 2194873 A GB2194873 A GB 2194873A GB 1436638 A GB1436638 A GB 1436638A
Authority
GB
United Kingdom
Prior art keywords
colour
signals
colours
primary
threshold
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
GB2194873A
Other languages
English (en)
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.)
Franz Morat GmbH
Original Assignee
Franz Morat GmbH
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 Franz Morat GmbH filed Critical Franz Morat GmbH
Publication of GB1436638A publication Critical patent/GB1436638A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/462—Computing operations in or between colour spaces; Colour management systems

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Color Image Communication Systems (AREA)
GB2194873A 1972-05-13 1973-05-08 Method of and device for identifying colours Expired GB1436638A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722223522 DE2223522A1 (de) 1972-05-13 1972-05-13 Verfahren und vorrichtung zum erkennen von farben

Publications (1)

Publication Number Publication Date
GB1436638A true GB1436638A (en) 1976-05-19

Family

ID=5844871

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2194873A Expired GB1436638A (en) 1972-05-13 1973-05-08 Method of and device for identifying colours

Country Status (10)

Country Link
AT (1) AT336703B (enExample)
BE (1) BE798956A (enExample)
CH (1) CH556020A (enExample)
DD (1) DD104849A5 (enExample)
DE (1) DE2223522A1 (enExample)
ES (1) ES415152A1 (enExample)
FR (1) FR2184638B1 (enExample)
GB (1) GB1436638A (enExample)
IT (1) IT987616B (enExample)
NL (1) NL7306375A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4790022A (en) * 1985-03-06 1988-12-06 Lockwood Graders (Uk) Limited Method and apparatus for detecting colored regions, and method and apparatus for articles thereby
GB2222880A (en) * 1988-08-11 1990-03-21 Polygraph Leipzig Method of determining areal coverage of primary colours in measuring segments of multi-coloured print originals in an offset printing
US4940536A (en) * 1986-11-12 1990-07-10 Lockwood Graders (U.K.) Limited Apparatus for inspecting and sorting articles

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012666A (en) * 1961-12-12 Electrical color separation
FR1466225A (fr) * 1963-11-05 1967-01-20 Image Designs Procédé et dispositif pour reproduire, dans un article manufacturé, les couleurs et dessin d'un modèle
FR2028482A1 (enExample) * 1969-01-16 1970-10-09 Sick Erwin Fa

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4790022A (en) * 1985-03-06 1988-12-06 Lockwood Graders (Uk) Limited Method and apparatus for detecting colored regions, and method and apparatus for articles thereby
US4940536A (en) * 1986-11-12 1990-07-10 Lockwood Graders (U.K.) Limited Apparatus for inspecting and sorting articles
GB2222880A (en) * 1988-08-11 1990-03-21 Polygraph Leipzig Method of determining areal coverage of primary colours in measuring segments of multi-coloured print originals in an offset printing
GB2222880B (en) * 1988-08-11 1993-04-07 Polygraph Leipzig Method of determining areal coverage of primary colours in measuring segments of multi-coloured print originals in an offset printing machine

Also Published As

Publication number Publication date
DD104849A5 (enExample) 1974-03-20
CH556020A (de) 1974-11-15
ES415152A1 (es) 1976-06-01
BE798956A (fr) 1973-10-30
ATA369973A (de) 1976-09-15
AT336703B (de) 1977-05-25
FR2184638A1 (enExample) 1973-12-28
DE2223522A1 (de) 1973-11-22
NL7306375A (enExample) 1973-11-15
IT987616B (it) 1975-03-20
FR2184638B1 (enExample) 1977-02-11

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee