JPS5238982A - Color analysis and calculation circuit - Google Patents

Color analysis and calculation circuit

Info

Publication number
JPS5238982A
JPS5238982A JP50114275A JP11427575A JPS5238982A JP S5238982 A JPS5238982 A JP S5238982A JP 50114275 A JP50114275 A JP 50114275A JP 11427575 A JP11427575 A JP 11427575A JP S5238982 A JPS5238982 A JP S5238982A
Authority
JP
Japan
Prior art keywords
calculation circuit
color analysis
xyz
wpecification
sparing
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.)
Pending
Application number
JP50114275A
Other languages
Japanese (ja)
Inventor
Takayasu Ito
Masatoshi Fukushima
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP50114275A priority Critical patent/JPS5238982A/en
Publication of JPS5238982A publication Critical patent/JPS5238982A/en
Pending 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
    • G01J3/465—Measurement of colour; Colour measuring devices, e.g. colorimeters taking into account the colour perception of the eye; using tristimulus detection

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Image Analysis (AREA)

Abstract

PURPOSE:To obtain the approximate values of the tristimulus values XYZ of CIE (standard)-XYZ wpecification colorimetric system by using a coefficient potentiometers, adders, code translators, log converters, etc. without sparing labor and time.
JP50114275A 1975-09-23 1975-09-23 Color analysis and calculation circuit Pending JPS5238982A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50114275A JPS5238982A (en) 1975-09-23 1975-09-23 Color analysis and calculation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50114275A JPS5238982A (en) 1975-09-23 1975-09-23 Color analysis and calculation circuit

Publications (1)

Publication Number Publication Date
JPS5238982A true JPS5238982A (en) 1977-03-25

Family

ID=14633734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50114275A Pending JPS5238982A (en) 1975-09-23 1975-09-23 Color analysis and calculation circuit

Country Status (1)

Country Link
JP (1) JPS5238982A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4895995A (en) * 1972-02-29 1973-12-08
JPS55121844A (en) * 1979-03-12 1980-09-19 Hitachi Ltd Method for oxidation of sulfur ion therefor
JPS55121843A (en) * 1979-03-12 1980-09-19 Hitachi Ltd Catalyst for reaction between substance in solution and gaseous component
US4402611A (en) * 1979-08-04 1983-09-06 Minolta Camera Kabushiki Kaisha Colorimeter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4895995A (en) * 1972-02-29 1973-12-08
JPS55121844A (en) * 1979-03-12 1980-09-19 Hitachi Ltd Method for oxidation of sulfur ion therefor
JPS55121843A (en) * 1979-03-12 1980-09-19 Hitachi Ltd Catalyst for reaction between substance in solution and gaseous component
US4402611A (en) * 1979-08-04 1983-09-06 Minolta Camera Kabushiki Kaisha Colorimeter

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