FR2363097A1 - Appareil et procede pour la mesure de la couleur d'un petit article - Google Patents

Appareil et procede pour la mesure de la couleur d'un petit article

Info

Publication number
FR2363097A1
FR2363097A1 FR7725890A FR7725890A FR2363097A1 FR 2363097 A1 FR2363097 A1 FR 2363097A1 FR 7725890 A FR7725890 A FR 7725890A FR 7725890 A FR7725890 A FR 7725890A FR 2363097 A1 FR2363097 A1 FR 2363097A1
Authority
FR
France
Prior art keywords
sphere
color
measuring
small article
illuminating
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.)
Granted
Application number
FR7725890A
Other languages
English (en)
French (fr)
Other versions
FR2363097B1 (show.php
Inventor
Charlie Maurice Levitt
Maurice Levitt Et Samuel Chatterley Charlie
Samuel Chatterley
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.)
De Beers Industrial Diamond Division Pty Ltd
Original Assignee
De Beers Industrial Diamond Division Pty 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 De Beers Industrial Diamond Division Pty Ltd filed Critical De Beers Industrial Diamond Division Pty Ltd
Publication of FR2363097A1 publication Critical patent/FR2363097A1/fr
Application granted granted Critical
Publication of FR2363097B1 publication Critical patent/FR2363097B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/87—Investigating jewels
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S209/00—Classifying, separating, and assorting solids
    • Y10S209/914—Diverse sequential feeding steps

Landscapes

  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Sorting Of Articles (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR7725890A 1976-08-27 1977-08-19 Appareil et procede pour la mesure de la couleur d'un petit article Granted FR2363097A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA00765149A ZA765149B (en) 1976-08-27 1976-08-27 Measurement of optical properties

Publications (2)

Publication Number Publication Date
FR2363097A1 true FR2363097A1 (fr) 1978-03-24
FR2363097B1 FR2363097B1 (show.php) 1982-06-04

Family

ID=25570672

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7725890A Granted FR2363097A1 (fr) 1976-08-27 1977-08-19 Appareil et procede pour la mesure de la couleur d'un petit article

Country Status (13)

Country Link
US (1) US4186838A (show.php)
JP (1) JPS5847011B2 (show.php)
AU (1) AU504744B2 (show.php)
BE (1) BE858173A (show.php)
BR (1) BR7705711A (show.php)
CA (1) CA1075487A (show.php)
CH (1) CH618270A5 (show.php)
DE (1) DE2737579C2 (show.php)
FR (1) FR2363097A1 (show.php)
GB (1) GB1560446A (show.php)
IL (1) IL52768A (show.php)
NL (1) NL185956C (show.php)
ZA (1) ZA765149B (show.php)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2422158A1 (fr) * 1978-04-03 1979-11-02 De Beers Cons Mines Ltd Procede et appareil pour l'evaluation de l'apparence grise de pierres ou de fragments translucides

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA781879B (en) * 1978-04-03 1979-11-28 De Beers Cons Mines Ltd Selector apparatus
IL58344A (en) * 1978-10-09 1983-09-30 De Beers Cons Mines Ltd Method of assessing the colour of gems
JPS5580039A (en) * 1978-12-12 1980-06-16 Hiroshi Sato Integrating sphare type turbidimeter
US4454029A (en) * 1981-05-27 1984-06-12 Delta Technology Corporation Agricultural product sorting
GB8425274D0 (en) * 1984-10-05 1984-11-14 Spandrel Etab Signal responsive to parameter of objects
IL77552A (en) * 1985-01-18 1990-06-10 Gersan Anstalt Apparatus for feeding discrete objects
ZA867411B (en) * 1985-09-30 1987-09-30 Cra Services Classifier
US5158181A (en) * 1985-10-29 1992-10-27 Bailey Roger F Optical sorter
US4863041A (en) * 1985-10-29 1989-09-05 Bailey Roger F Optical sorting apparatus
NL8703024A (nl) * 1986-12-18 1988-07-18 De Beers Ind Diamond Werkwijze voor het bepalen van een stralingsdosis alsmede inrichting voor het uitvoeren van de werkwijze.
US5089384A (en) * 1988-11-04 1992-02-18 Amoco Corporation Method and apparatus for selective cell destruction using amplified immunofluorescence
GB2233758B (en) * 1989-06-12 1993-05-26 De Beers Ind Diamond Detection of diamonds
US5190163A (en) * 1989-10-03 1993-03-02 Anzai Sogo Kenkyusho Co., Ltd. Sorting apparatus utilizing transmitted light
JPH0634974B2 (ja) * 1989-10-03 1994-05-11 株式会社安西総合研究所 透過光を利用した選別装置
IL92133A (en) * 1989-10-27 1993-01-31 Uri Neta Haifa And Aharon Yifr Method and apparatus for identifying gemstones, particularly diamonds
US5256886A (en) * 1991-04-30 1993-10-26 E. I. Du Pont De Nemours And Company Apparatus for optically detecting contamination in particles of low optical-loss material
DE4215948C2 (de) * 1992-05-14 1997-01-23 Fraunhofer Ges Forschung Verfahren zur Bestimmung der Qualität eines Kristallgemisches, insbesondere von Zucker, und Vorrichtung zur Durchführung des Verfahrens
GB2287784B (en) * 1994-03-25 1998-04-01 Parascan Technologies Ltd Improvements in and relating to apparatus for and a method of inspecting objects
DE19644871A1 (de) * 1996-10-29 1998-05-07 Bran & Luebbe Verfahren und Vorrichtung zur Bereitstellung von Schüttgutproben für die Analyse von Inhaltsstoffen
US5966673A (en) 1997-01-10 1999-10-12 Diamond Technologies, Inc. System and method for computerized evaluation of gemstones
US6473164B1 (en) 2000-02-16 2002-10-29 Gemological Institute Of America, Inc. Systems, apparatuses and methods for diamond color measurement and analysis
AU2001278110A1 (en) * 2000-08-01 2002-02-13 Jerry L. Toms Device and system for use in imaging particulate matter
US7260544B1 (en) * 2000-10-12 2007-08-21 Gemological Institute Of America, Inc. System and methods for evaluating the appearance of a gemstone
MXPA04011737A (es) * 2002-05-28 2005-02-14 Satake Usa Inc Fuente de ilumiancion para maquina de separacion.
US7119899B2 (en) * 2003-07-23 2006-10-10 Lighthouse Worldwide Solutions, Inc Particle sensor system
US7502110B2 (en) * 2004-07-21 2009-03-10 Lighthouse Worldwide Solutions, Inc Design for particle sensor system
US9262284B2 (en) * 2006-12-07 2016-02-16 Lenovo Enterprise Solutions (Singapore) Pte. Ltd. Single channel memory mirror
GB2500259A (en) 2012-03-16 2013-09-18 De Beers Centenary AG Gemstone inspection
GB2558247A (en) 2016-12-23 2018-07-11 De Beers Uk Ltd Gemstone sorting
JP7071987B2 (ja) 2017-02-23 2022-05-19 フォセオン テクノロジー， インコーポレイテッド 液体クロマトグラフィー用の統合型照明検出フローセル
CN111983831A (zh) * 2020-08-07 2020-11-24 深圳市华星光电半导体显示技术有限公司 一种液晶面板反射率检测装置和检测方法
US12405209B2 (en) * 2023-05-05 2025-09-02 The Boeing Company Apparatus and method for grazing angle measurement

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB642284A (en) * 1948-06-16 1950-08-30 Herbert Frankel Apparatus for sorting small articles
GB712113A (en) * 1951-07-19 1954-07-21 George Mattey Baigent Improvements in or relating to sorting apparatus
FR1470766A (fr) * 1966-03-04 1967-02-24 Joyce Perfectionnements aux colorimètres
US3385434A (en) * 1965-09-21 1968-05-28 Mandrel Industries Apparatus for classifying objects according to their internal structure
US3618764A (en) * 1970-01-13 1971-11-09 Merck & Co Inc Process for inspecting printed tablets and capsules using color responsive sorting machines

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2263938A (en) * 1940-08-31 1941-11-25 Smith Paper Mills Ltd Howard Light sensitive measuring instrument
US2646880A (en) * 1948-06-16 1953-07-28 R W Gunson Seeds Ltd Photoelectric sorting of small articles
US2678725A (en) * 1949-12-29 1954-05-18 Gen Electric Apparatus for classifying articles by color
US2759601A (en) * 1951-07-19 1956-08-21 Baigent George Mattey Apparatus for observing and/or measuring light
US3058588A (en) * 1959-09-21 1962-10-16 Mandrel Industries Internal ejection apparatus
GB929104A (en) * 1961-04-20 1963-06-19 R W Gunson Seeds Ltd Improvements relating to the sorting of translucent objects
US3150264A (en) * 1961-10-09 1964-09-22 Gen Electric Infrared reflection and absorption system for measuring the quantity of a substance that is sorbed in a base material
US3171538A (en) * 1962-10-03 1965-03-02 Goodman Mfg Co Elevating conveyor
US3260347A (en) * 1963-12-09 1966-07-12 Pharmaseal Lab Machine for orienting small parts
US3283896A (en) * 1964-09-28 1966-11-08 Chemical Holding Company Inc Sorting apparatus
GB1131852A (en) * 1965-03-04 1968-10-30 Joyce Loebl And Company Ltd Improved integrating sphere colorimeter
JPS4027038Y1 (show.php) * 1965-04-01 1965-09-22
US3489277A (en) * 1967-03-13 1970-01-13 Daniel Silverman Examining sorting system with multiple rejection means
JPS5435114B2 (show.php) * 1972-02-23 1979-10-31
US3914601A (en) * 1974-03-29 1975-10-21 Petty Ray Geophysical Inc Compact viewing assembly for light sensitive sorting machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB642284A (en) * 1948-06-16 1950-08-30 Herbert Frankel Apparatus for sorting small articles
GB712113A (en) * 1951-07-19 1954-07-21 George Mattey Baigent Improvements in or relating to sorting apparatus
US3385434A (en) * 1965-09-21 1968-05-28 Mandrel Industries Apparatus for classifying objects according to their internal structure
FR1470766A (fr) * 1966-03-04 1967-02-24 Joyce Perfectionnements aux colorimètres
US3618764A (en) * 1970-01-13 1971-11-09 Merck & Co Inc Process for inspecting printed tablets and capsules using color responsive sorting machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2422158A1 (fr) * 1978-04-03 1979-11-02 De Beers Cons Mines Ltd Procede et appareil pour l'evaluation de l'apparence grise de pierres ou de fragments translucides

Also Published As

Publication number Publication date
IL52768A (en) 1980-01-31
IL52768A0 (en) 1977-10-31
FR2363097B1 (show.php) 1982-06-04
NL185956B (nl) 1990-03-16
DE2737579A1 (de) 1978-03-02
CH618270A5 (show.php) 1980-07-15
BR7705711A (pt) 1978-06-27
JPS5329180A (en) 1978-03-18
CA1075487A (en) 1980-04-15
BE858173A (fr) 1978-02-27
NL7709422A (nl) 1978-03-01
AU504744B2 (en) 1979-10-25
NL185956C (nl) 1990-08-16
GB1560446A (en) 1980-02-06
JPS5847011B2 (ja) 1983-10-20
DE2737579C2 (de) 1985-08-14
AU2818477A (en) 1979-03-01
US4186838A (en) 1980-02-05
ZA765149B (en) 1978-04-26

Similar Documents

Publication Publication Date Title
FR2363097A1 (fr) Appareil et procede pour la mesure de la couleur d'un petit article
DE69126142D1 (de) Verbessertes bestimmungsverfahren für liganden
AT376300B (de) Kuevette zur probenahme, zum mischen der probe mit zumindest einem reagenz und zum direkten durchfuehren von insbesondere optischen analysen
DE69713886D1 (de) Verfahren zur bestimmung von reife und qualität von pflanzensamen und vorrichtung zum sortieren desselben
ATE278944T1 (de) Vorrichtung und verfahren zur durchführung von quantitativen fluoreszenz markierten affinitätstests
CA2222223A1 (en) Method and apparatus for hair color characterization and treatment
DE3688373D1 (de) Temperaturmessung.
SE7706982L (sv) Forfarande och anordning for analysering av celler
DE69226000D1 (de) Verfahren und Gerät für die Infrarotanalyse, insbesondere von Nahrungsmitteln
CH552807A (de) Verfahren und vorrichtung zur optischen analyse eines fluessigen probenstroms.
ATE131618T1 (de) Immunoassay mit komplementärem sichtbaren signal
DE69030004D1 (de) Verfahren und vorrichtung zum nachweis eines analyten
JPS5772047A (en) Component analyzing method
ATE125572T1 (de) Immunodiagnostisches verfahren zum nachweis und zur bestimmung von euterentzündung.
BE879212A (fr) Procede et appareil pour la determination de la teneur en soufre dans l'analyse d'echantillons
DE69023875D1 (de) Vorrichtung zum Messen der Lichtabsorption oder Fluoreszenz in flüssigen Proben.
DE69328412D1 (de) Verfahren zur simultanen, quantitativen Bestimmung, in einer einzelnen Messung, der Haupttypen der menschlichen Lymphozyten und deren Untereinheiten
DE3684880D1 (de) Verfahren und apparat zur bestimmung des antikoerperinhalts von blut.
ATE225497T1 (de) Verfahren und vorrichtung zur ermittlung der dicke von papier oder pappe durch messung an einer laufenden materialbahn
SE7700667L (sv) Forfarande och anordning for bestemning av totalproteinhalten eller av enskilda aminosyror
FR2403605A1 (fr) Appareil pour le comptage de cellules du sang ayant deux tetes de comptage
BE878244A (fr) Appareil et procede permettant de determiner la concentration d'un constituant dans un echantillon
DE59009644D1 (de) Verfahren zur diffusen Beleuchtung einer Messfläche in einem Testträgeranalysegerät.
CH491373A (de) Verfahren zur Analyse eines Probematerials durch Atomabsorptions-Spektroskopie und Absorptions-Spektrometer zur Durchführung dieses Verfahrens
JPS54113382A (en) Automatic analyzer

Legal Events

Date Code Title Description
ST Notification of lapse