FR791967A - Comparateur pour déterminer des différences de couleurs et nuances - Google Patents

Comparateur pour déterminer des différences de couleurs et nuances

Info

Publication number
FR791967A
FR791967A FR791967DA FR791967A FR 791967 A FR791967 A FR 791967A FR 791967D A FR791967D A FR 791967DA FR 791967 A FR791967 A FR 791967A
Authority
FR
France
Prior art keywords
shades
comparator
colors
determine differences
differences
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
English (en)
Inventor
Clifton Earl Hays
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 FR791967A publication Critical patent/FR791967A/fr
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
    • G01J3/50—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
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/251—Colorimeters; Construction thereof
    • 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
    • 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
    • G01J3/463—Colour matching

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
  • Coloring (AREA)
FR791967D 1933-02-21 1935-07-02 Comparateur pour déterminer des différences de couleurs et nuances Expired FR791967A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US657916A US2015675A (en) 1933-02-21 1933-02-21 Color and shade comparator

Publications (1)

Publication Number Publication Date
FR791967A true FR791967A (fr) 1935-12-20

Family

ID=10060633

Family Applications (1)

Application Number Title Priority Date Filing Date
FR791967D Expired FR791967A (fr) 1933-02-21 1935-07-02 Comparateur pour déterminer des différences de couleurs et nuances

Country Status (3)

Country Link
US (1) US2015675A (fr)
FR (1) FR791967A (fr)
GB (1) GB448963A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740899A (en) * 1956-04-03 cummings
US2999934A (en) * 1939-11-29 1961-09-12 Laurens A Taylor Radiation detector apparatus
US2999933A (en) * 1939-11-29 1961-09-12 Charles F Green Radiation responsive means
US2462823A (en) * 1945-05-31 1949-02-22 Weston Electrical Instr Corp Photoelectric cell color temperature measuring device
US2477208A (en) * 1946-05-03 1949-07-26 Rouy Auguste Louis Mar Antoine Colorimeter
US2546450A (en) * 1949-02-23 1951-03-27 Henry A Gardner Lab Inc Photometric comparator instrument
US2574264A (en) * 1949-03-04 1951-11-06 Henry A Gardner Lab Inc Color and color difference meter
US2633772A (en) * 1949-08-20 1953-04-07 Seagram & Sons Inc Method and apparatus for detecting foreign bodies in containers
US2528513A (en) * 1949-10-21 1950-11-07 Walter F Grether Self-administering color vision test
US2630735A (en) * 1949-11-08 1953-03-10 Rouy Auguste Louis Mar Antoine Colorimeter
US2991688A (en) * 1958-05-16 1961-07-11 Milton Roy Co Optical comparator unit

Also Published As

Publication number Publication date
GB448963A (en) 1936-06-18
US2015675A (en) 1935-10-01

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