NL191070C - Device for determining the color of products, in particular horticultural products. - Google Patents

Device for determining the color of products, in particular horticultural products.

Info

Publication number
NL191070C
NL191070C NL8701491A NL8701491A NL191070C NL 191070 C NL191070 C NL 191070C NL 8701491 A NL8701491 A NL 8701491A NL 8701491 A NL8701491 A NL 8701491A NL 191070 C NL191070 C NL 191070C
Authority
NL
Netherlands
Prior art keywords
products
color
determining
particular horticultural
horticultural
Prior art date
Application number
NL8701491A
Other languages
Dutch (nl)
Other versions
NL8701491A (en
NL191070B (en
Original Assignee
Exploitatiemaatschappij H J Va
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 Exploitatiemaatschappij H J Va filed Critical Exploitatiemaatschappij H J Va
Priority to NL8701491A priority Critical patent/NL191070C/en
Publication of NL8701491A publication Critical patent/NL8701491A/en
Publication of NL191070B publication Critical patent/NL191070B/en
Application granted granted Critical
Publication of NL191070C publication Critical patent/NL191070C/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
    • 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
    • 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
    • G01J3/524—Calibration of colorimeters
    • 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
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/062—LED's
    • G01N2201/0621—Supply
NL8701491A 1987-06-25 1987-06-25 Device for determining the color of products, in particular horticultural products. NL191070C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL8701491A NL191070C (en) 1987-06-25 1987-06-25 Device for determining the color of products, in particular horticultural products.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8701491 1987-06-25
NL8701491A NL191070C (en) 1987-06-25 1987-06-25 Device for determining the color of products, in particular horticultural products.

Publications (3)

Publication Number Publication Date
NL8701491A NL8701491A (en) 1989-01-16
NL191070B NL191070B (en) 1994-08-01
NL191070C true NL191070C (en) 1995-01-02

Family

ID=19850201

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8701491A NL191070C (en) 1987-06-25 1987-06-25 Device for determining the color of products, in particular horticultural products.

Country Status (1)

Country Link
NL (1) NL191070C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8913800D0 (en) * 1989-06-15 1989-08-02 Secr Defence Colour monitoring
DE19640671C1 (en) * 1996-10-02 1998-05-07 Omron Electronics Mfg Of Germa Three-area method for analog color recognition and device for carrying out the method
NZ705338A (en) 2012-10-01 2017-10-27 Delaval Holding Ab Optical device for detecting abnormalities in milk

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1410823A (en) * 1972-10-06 1975-10-22 Inst Fuer Grafische Technik Method and a device for rapidly sensing and providing signals characteristic of colour tones of opaque or transparent material
JPS50141382A (en) * 1974-02-22 1975-11-13
GB8420614D0 (en) * 1984-08-14 1984-09-19 Unvala Ltd Colour measuring apparatus

Also Published As

Publication number Publication date
NL8701491A (en) 1989-01-16
NL191070B (en) 1994-08-01

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Legal Events

Date Code Title Description
A1C A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 19990101