DE2721091C2 - Vorrichtung zum Überwachen der Farbe eines Produktes - Google Patents

Vorrichtung zum Überwachen der Farbe eines Produktes

Info

Publication number
DE2721091C2
DE2721091C2 DE2721091A DE2721091A DE2721091C2 DE 2721091 C2 DE2721091 C2 DE 2721091C2 DE 2721091 A DE2721091 A DE 2721091A DE 2721091 A DE2721091 A DE 2721091A DE 2721091 C2 DE2721091 C2 DE 2721091C2
Authority
DE
Germany
Prior art keywords
light
ratio
product
color
change
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
DE2721091A
Other languages
German (de)
English (en)
Other versions
DE2721091A1 (de
Inventor
Raymond E. Fremont Calif. Babb
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.)
MAGNUSON ENGINEERS Inc SAN JOSE CALIF US
Magnuson Engineers Inc
Original Assignee
MAGNUSON ENGINEERS Inc SAN JOSE CALIF US
Magnuson Engineers Inc
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 MAGNUSON ENGINEERS Inc SAN JOSE CALIF US, Magnuson Engineers Inc filed Critical MAGNUSON ENGINEERS Inc SAN JOSE CALIF US
Publication of DE2721091A1 publication Critical patent/DE2721091A1/de
Application granted granted Critical
Publication of DE2721091C2 publication Critical patent/DE2721091C2/de
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
    • G01J3/02—Details
    • G01J3/10—Arrangements of light sources specially adapted for spectrometry or colorimetry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. 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
    • G01J3/50—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
    • G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
    • G01J3/513—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters having fixed filter-detector pairs

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Sorting Of Articles (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
DE2721091A 1976-05-13 1977-05-11 Vorrichtung zum Überwachen der Farbe eines Produktes Expired DE2721091C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/686,021 US4057352A (en) 1976-05-13 1976-05-13 Color grading apparatus utilizing infrared light source

Publications (2)

Publication Number Publication Date
DE2721091A1 DE2721091A1 (de) 1977-12-01
DE2721091C2 true DE2721091C2 (de) 1986-10-23

Family

ID=24754581

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2721091A Expired DE2721091C2 (de) 1976-05-13 1977-05-11 Vorrichtung zum Überwachen der Farbe eines Produktes

Country Status (5)

Country Link
US (1) US4057352A (enExample)
JP (2) JPS52139480A (enExample)
DE (1) DE2721091C2 (enExample)
FR (1) FR2351407A1 (enExample)
GB (1) GB1580861A (enExample)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095696A (en) * 1977-02-04 1978-06-20 Amf Incorporated Produce grader
US4259020A (en) * 1978-10-30 1981-03-31 Genevieve I. Hanscom Automatic calibration control for color grading apparatus
CH638067A5 (de) * 1978-12-20 1983-08-31 Ibm Anordnung zur trennung eines optischen signals von umgebungslicht.
DE2919504C2 (de) * 1979-05-15 1985-03-28 Gerhard Dipl.-Ing. 4630 Bochum Rösler Farbmeßgerät
US4308456A (en) * 1979-11-19 1981-12-29 Versatile Integrated Modules Method and apparatus for measuring the frequency of radiation
JPS6122250Y2 (enExample) * 1980-08-25 1986-07-04
USRE33357E (en) * 1983-05-27 1990-09-25 Key Technology, Inc. Optical inspection apparatus for moving articles
JPS6079235A (ja) * 1983-10-06 1985-05-07 Fuji Electric Co Ltd 色識別方法
DE3406848A1 (de) * 1984-02-22 1985-08-22 OPTRONIK GmbH opto - elektronische - systeme, 1000 Berlin Beleuchtungseinrichtung fuer die erzeugung einer diffusen lichtverteilung an der messoeffnung eines hohlkoerpers
JPS61155714A (ja) * 1984-12-27 1986-07-15 Kawasaki Steel Corp 表面色調制御方法及び装置
JPS61231436A (ja) * 1985-04-05 1986-10-15 Fuji Electric Co Ltd 色識別方法
US4707138A (en) * 1985-06-03 1987-11-17 Filper Industries, Inc. Color measuring and control device
DE3540751A1 (de) * 1985-11-16 1987-05-21 Neuhaus Electronic Gmbh Verfahren und vorrichtung zum erkennen des durch waermebehandlung hervorgerufenen toenungsgrades von nahrungsmitteln
FR2610108A1 (fr) * 1987-01-23 1988-07-29 So Resprom Capteur sensible a la couleur
GB2200446B (en) * 1987-01-27 1991-03-13 So Resprom Colour sensor and method for use thereof
DE3720388A1 (de) * 1987-06-19 1988-12-29 Kernforschungsz Karlsruhe Verfahren zur in situ-ueberwachung der farbe von bewegtem roestgut und anordnung zur durchfuehrung des verfahrens
IT1213743B (it) * 1987-12-04 1989-12-29 Vittoria Spa Off Dispositivo per il rilevamento del colore associabile a forni per il rilevamento del colore del prodotto in essi riscaldato, ad esempio a forni per la torrefazione di caffe'e simili
US5085325A (en) * 1988-03-08 1992-02-04 Simco/Ramic Corporation Color sorting system and method
FR2632879B1 (fr) * 1988-06-17 1991-06-21 Guerin Sarl Ets Gaby Dispositif de tri optique d'objets selon leur couleur, en particulier de morceaux de verre
US5135114A (en) * 1988-08-11 1992-08-04 Satake Engineering Co., Ltd. Apparatus for evaluating the grade of rice grains
US5239180A (en) * 1990-02-02 1993-08-24 Boston Advnaced Technologies, Inc. Laser systems for food analysis based on reflectance ratio detection
US5241171A (en) * 1992-08-25 1993-08-31 Sortex Limited Support member having layers sensitive to different wavelengths
CA2095154C (en) * 1993-04-29 1998-08-04 Gilles Allaire Method and apparatus for classifying articles according to their color
CA2095155C (en) * 1993-04-29 2002-08-20 Gilles Allaire Method and apparatus for sensing the color of articles
US5440127A (en) * 1993-05-17 1995-08-08 Simco/Ramic Corporation Method and apparatus for illuminating target specimens in inspection systems
US6307629B1 (en) * 1997-08-12 2001-10-23 Lj Laboratories, L.L.C. Apparatus and method for measuring optical characteristics of an object
US6501542B2 (en) 1998-06-30 2002-12-31 Lj Laboratories, Llc Apparatus and method for measuring optical characteristics of an object
ES2152156B1 (es) * 1998-06-17 2001-07-16 Espan Food Mach Sistema electrooptico de clasificacion de frutas y hortalizas.
WO2000058035A1 (en) * 1999-03-29 2000-10-05 Src Vision, Inc. Multi-band spectral sorting system for light-weight articles
US7076088B2 (en) 1999-09-03 2006-07-11 Honeywell International Inc. Near-infrared disguise detection
US6370260B1 (en) * 1999-09-03 2002-04-09 Honeywell International Inc. Near-IR human detector
US7027619B2 (en) * 2001-09-13 2006-04-11 Honeywell International Inc. Near-infrared method and system for use in face detection
CN110501303A (zh) * 2013-05-27 2019-11-26 皇家飞利浦有限公司 感测食材的特性的设备和方法以及冲泡咖啡的机器和方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2933613A (en) * 1952-11-24 1960-04-19 Univ California Method and apparatus for sorting objects according to color
US2988219A (en) * 1953-03-23 1961-06-13 California Packing Corp Means and methods for color sorting articles
US2982408A (en) * 1955-09-19 1961-05-02 Gen Precision Inc Color discriminator
US3382975A (en) * 1966-08-24 1968-05-14 Mandrel Industries Apparatus for sorting comestible and other objects
GB1357524A (en) * 1970-06-10 1974-06-26 Nat Res Dev Apparatus for detecting objects
US3744919A (en) * 1971-07-16 1973-07-10 Hanscom G Color measuring with memory
USRE29031E (en) 1972-05-03 1976-11-09 Fmc Corporation Circuitry for sorting fruit according to color
US3750883A (en) * 1972-05-03 1973-08-07 Fmc Corp Circuitry for sorting fruit according to color
CH569013A5 (enExample) * 1972-07-21 1975-11-14 Hoffmann La Roche

Also Published As

Publication number Publication date
JPS6027946Y2 (ja) 1985-08-23
GB1580861A (en) 1980-12-03
FR2351407B1 (enExample) 1983-04-22
DE2721091A1 (de) 1977-12-01
JPS52139480A (en) 1977-11-21
US4057352A (en) 1977-11-08
JPS5891132U (ja) 1983-06-20
FR2351407A1 (fr) 1977-12-09

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee