GB2012448A - Colour Difference Meter - Google Patents

Colour Difference Meter

Info

Publication number
GB2012448A
GB2012448A GB7849746A GB7849746A GB2012448A GB 2012448 A GB2012448 A GB 2012448A GB 7849746 A GB7849746 A GB 7849746A GB 7849746 A GB7849746 A GB 7849746A GB 2012448 A GB2012448 A GB 2012448A
Authority
GB
United Kingdom
Prior art keywords
meter
difference meter
colour difference
test specimen
condensers
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.)
Withdrawn
Application number
GB7849746A
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.)
NIHON DENSHOKU KOGYO KK
Daido Kogyo Co Ltd
Original Assignee
NIHON DENSHOKU KOGYO KK
Daido Kogyo Co Ltd
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 NIHON DENSHOKU KOGYO KK, Daido Kogyo Co Ltd filed Critical NIHON DENSHOKU KOGYO KK
Publication of GB2012448A publication Critical patent/GB2012448A/en
Withdrawn legal-status Critical Current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
    • 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)

Abstract

The meter is for use with big objects, such as automobile bodies (4), located externally of the meter. The meter is provided with a plurality of filters (6) of respectively different powers mounted to be inserted each individually between a light source (1) and the test specimen, the light reflected from the test specimen being received by a ring-shaped receptor (5) capable of measuring colour differences. Condensers (2, 3) are located in the illuminating path. <IMAGE>
GB7849746A 1977-12-29 1978-12-22 Colour Difference Meter Withdrawn GB2012448A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB2012448A true GB2012448A (en) 1979-07-25

Family

ID=16048531

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7849746A Withdrawn GB2012448A (en) 1977-12-29 1978-12-22 Colour Difference Meter

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
FR2413645B3 (en) 1981-10-16
IT7852487A0 (en) 1978-12-29
SE7812977L (en) 1979-06-30
IT1110856B (en) 1986-01-06
NL7812613A (en) 1979-07-03
DE2855578A1 (en) 1979-07-05

Similar Documents

Publication Publication Date Title
CA1031596A (en) Instrument for high resolution spectral analysis with large optical throughput
CA1030362A (en) Opto-electrical measuring apparatus for determining the relative hemoglobin content of an illuminated solution by evaluating its light absorption
GB2062855B (en) Apparatus for inspecting objects for defects
JPS51122483A (en) Scanner type inspection device
GB1473287A (en) Fourier transform imaging microscope and method
GB1333532A (en) Method and means for testing the colour discrimination of vision
GB2044921B (en) Optical apparatus for inspecting defects
GB2012448A (en) Colour Difference Meter
JPS5271289A (en) Surface inspection device
ES526440A0 (en) PROCEDURE WITH ITS APPARATUS FOR MEASURING BRIGHTNESS OF A COLOR BY COMPARISON
AU2451177A (en) Specimen test slide
ES406936A1 (en) Method and apparatus for measuring optical irregularities in an article
JPS5696586A (en) Object observation device
JPS53102792A (en) Simultaneous inspecting apparatus of inside and outside of body to be inspected
JPS51132757A (en) Optical observation device
JPS5236081A (en) Optical part for colorimeter
JPS53125086A (en) Optical inspection method by dichromatic light
SE8300872D0 (en) PROCEDURE AND DEVICE FOR CALIBRATION OF A METAN DEVICE INTENDED FOR Saturation of the Dimension of a Body
JPS5626247A (en) Optical testing device
GB712113A (en) Improvements in or relating to sorting apparatus
JPS53123986A (en) Radiation method for measuring rays of hue inspection apparatus
JPS5423587A (en) Consistent photometric and colorimetric method of measuring objects
JPS5368292A (en) Multi-wavelength photometric system
JPS53120552A (en) Evaluation method of plating surface
JPS55141658A (en) Xxray fluoroscopic inspecting apparatus

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)