GB2160972B - Improvements in the detection of variation in colour shade - Google Patents

Improvements in the detection of variation in colour shade

Info

Publication number
GB2160972B
GB2160972B GB08516347A GB8516347A GB2160972B GB 2160972 B GB2160972 B GB 2160972B GB 08516347 A GB08516347 A GB 08516347A GB 8516347 A GB8516347 A GB 8516347A GB 2160972 B GB2160972 B GB 2160972B
Authority
GB
United Kingdom
Prior art keywords
variation
detection
colour shade
shade
colour
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
GB08516347A
Other versions
GB8516347D0 (en
GB2160972A (en
Inventor
Kundan Desai
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB8516347D0 publication Critical patent/GB8516347D0/en
Publication of GB2160972A publication Critical patent/GB2160972A/en
Application granted granted Critical
Publication of GB2160972B publication Critical patent/GB2160972B/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
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • 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
    • G01J2003/466—Coded colour; Recognition of predetermined colour; Determining proximity to predetermined colour

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
GB08516347A 1984-06-29 1985-06-28 Improvements in the detection of variation in colour shade Expired GB2160972B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848416654A GB8416654D0 (en) 1984-06-29 1984-06-29 Detection of variation in colour shades

Publications (3)

Publication Number Publication Date
GB8516347D0 GB8516347D0 (en) 1985-07-31
GB2160972A GB2160972A (en) 1986-01-02
GB2160972B true GB2160972B (en) 1987-12-31

Family

ID=10563199

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848416654A Pending GB8416654D0 (en) 1984-06-29 1984-06-29 Detection of variation in colour shades
GB08516347A Expired GB2160972B (en) 1984-06-29 1985-06-28 Improvements in the detection of variation in colour shade

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848416654A Pending GB8416654D0 (en) 1984-06-29 1984-06-29 Detection of variation in colour shades

Country Status (1)

Country Link
GB (2) GB8416654D0 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB531426A (en) * 1939-07-21 1941-01-03 Arthur Henry Magrath Improvements relating to apparatus for testing water
GB2114064A (en) * 1982-01-29 1983-08-17 Kenneth Liou Illumination detecting pen

Also Published As

Publication number Publication date
GB8416654D0 (en) 1984-08-01
GB8516347D0 (en) 1985-07-31
GB2160972A (en) 1986-01-02

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Legal Events

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