IT7852487A0 - COLOR DIFFERENCE MEASUREMENT DEVICE - Google Patents

COLOR DIFFERENCE MEASUREMENT DEVICE

Info

Publication number
IT7852487A0
IT7852487A0 IT7852487A IT5248778A IT7852487A0 IT 7852487 A0 IT7852487 A0 IT 7852487A0 IT 7852487 A IT7852487 A IT 7852487A IT 5248778 A IT5248778 A IT 5248778A IT 7852487 A0 IT7852487 A0 IT 7852487A0
Authority
IT
Italy
Prior art keywords
measurement device
color difference
difference measurement
color
measurement
Prior art date
Application number
IT7852487A
Other languages
Italian (it)
Other versions
IT1110856B (en
Original Assignee
Daido Kogyo Kaisha Ltd Nihon D
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 Daido Kogyo Kaisha Ltd Nihon D filed Critical Daido Kogyo Kaisha Ltd Nihon D
Publication of IT7852487A0 publication Critical patent/IT7852487A0/en
Application granted granted Critical
Publication of IT1110856B publication Critical patent/IT1110856B/en

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
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
    • 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
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/501—Colorimeters using spectrally-selective light sources, e.g. LEDs

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
IT52487/78A 1977-12-29 1978-12-29 COLOR DIFFERENCE MEASURING DEVICE IT1110856B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17843977 1977-12-29

Publications (2)

Publication Number Publication Date
IT7852487A0 true IT7852487A0 (en) 1978-12-29
IT1110856B IT1110856B (en) 1986-01-06

Family

ID=16048531

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52487/78A IT1110856B (en) 1977-12-29 1978-12-29 COLOR DIFFERENCE MEASURING DEVICE

Country Status (6)

Country Link
DE (1) DE2855578A1 (en)
FR (1) FR2413645A1 (en)
GB (1) GB2012448A (en)
IT (1) IT1110856B (en)
NL (1) NL7812613A (en)
SE (1) SE7812977L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57187628A (en) * 1981-05-14 1982-11-18 Satake Eng Co Ltd Photo-electric detector for color selecting machine
US4624572A (en) * 1982-02-05 1986-11-25 Den Bosch Francois J G Van Non-invasive reflectance spectrophotometric apparatus
DE3238840A1 (en) * 1982-10-20 1984-04-26 Helge Georg 6380 Bad Homburg Steckmann Device for measuring rays

Also Published As

Publication number Publication date
FR2413645A1 (en) 1979-07-27
GB2012448A (en) 1979-07-25
FR2413645B3 (en) 1981-10-16
SE7812977L (en) 1979-06-30
IT1110856B (en) 1986-01-06
DE2855578A1 (en) 1979-07-05
NL7812613A (en) 1979-07-03

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