FR563227A - Apparatus used for research and constitution of compound shades, as well as for determining the proportions of primary shades necessary to obtain them - Google Patents

Apparatus used for research and constitution of compound shades, as well as for determining the proportions of primary shades necessary to obtain them

Info

Publication number
FR563227A
FR563227A FR563227DA FR563227A FR 563227 A FR563227 A FR 563227A FR 563227D A FR563227D A FR 563227DA FR 563227 A FR563227 A FR 563227A
Authority
FR
France
Prior art keywords
shades
proportions
constitution
research
determining
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)
Inventor
Georges-Rene Fouilleul
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 filed Critical
Application granted granted Critical
Publication of FR563227A publication Critical patent/FR563227A/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
    • G01J3/52—Measurement of colour; Colour measuring devices, e.g. colorimeters using colour charts
    • G01J3/522—Measurement of colour; Colour measuring devices, e.g. colorimeters using colour charts circular colour charts
FR563227D 1921-10-25 1921-10-25 Apparatus used for research and constitution of compound shades, as well as for determining the proportions of primary shades necessary to obtain them Expired FR563227A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR563227T 1921-10-25

Publications (1)

Publication Number Publication Date
FR563227A true FR563227A (en) 1923-11-29

Family

ID=8944874

Family Applications (1)

Application Number Title Priority Date Filing Date
FR563227D Expired FR563227A (en) 1921-10-25 1921-10-25 Apparatus used for research and constitution of compound shades, as well as for determining the proportions of primary shades necessary to obtain them

Country Status (1)

Country Link
FR (1) FR563227A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682801A (en) * 1952-01-25 1954-07-06 Gen Aniline & Film Corp Color mixture computing device
US6271920B1 (en) 1997-12-19 2001-08-07 Chromatics Color Sciences International, Inc. Methods and apparatus for color calibration and verification

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682801A (en) * 1952-01-25 1954-07-06 Gen Aniline & Film Corp Color mixture computing device
US6271920B1 (en) 1997-12-19 2001-08-07 Chromatics Color Sciences International, Inc. Methods and apparatus for color calibration and verification

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