NL191070B - 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
- NL191070B NL191070B NL8701491A NL8701491A NL191070B NL 191070 B NL191070 B NL 191070B NL 8701491 A NL8701491 A NL 8701491A NL 8701491 A NL8701491 A NL 8701491A NL 191070 B NL191070 B NL 191070B
- Authority
- NL
- Netherlands
- Prior art keywords
- products
- color
- determining
- particular horticultural
- horticultural
- Prior art date
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
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (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)
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 |
---|---|---|---|
NL8701491A NL191070C (en) | 1987-06-25 | 1987-06-25 | Device for determining the color of products, in particular horticultural products. |
NL8701491 | 1987-06-25 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL8701491A NL8701491A (en) | 1989-01-16 |
NL191070B true NL191070B (en) | 1994-08-01 |
NL191070C 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)
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 |
CA2883428C (en) | 2012-10-01 | 2020-05-26 | Delaval Holding Ab | Optical device for detecting abnormalities in milk |
Family Cites Families (3)
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 |
-
1987
- 1987-06-25 NL NL8701491A patent/NL191070C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL191070C (en) | 1995-01-02 |
NL8701491A (en) | 1989-01-16 |
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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 |