CA1075487A - Optical measurement of small articles - Google Patents
Optical measurement of small articlesInfo
- Publication number
- CA1075487A CA1075487A CA285,521A CA285521A CA1075487A CA 1075487 A CA1075487 A CA 1075487A CA 285521 A CA285521 A CA 285521A CA 1075487 A CA1075487 A CA 1075487A
- Authority
- CA
- Canada
- Prior art keywords
- article
- sphere
- radiation
- cavity
- tray
- 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
Links
- 238000005259 measurement Methods 0.000 title abstract description 8
- 230000003287 optical effect Effects 0.000 title 1
- 239000010432 diamond Substances 0.000 claims description 43
- 230000005855 radiation Effects 0.000 claims description 29
- 229910003460 diamond Inorganic materials 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 3
- 230000003595 spectral effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 239000003086 colorant Substances 0.000 abstract description 3
- 230000015654 memory Effects 0.000 description 10
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010437 gem Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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)
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 (1)
| Publication Number | Publication Date |
|---|---|
| CA1075487A true CA1075487A (en) | 1980-04-15 |
Family
ID=25570672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA285,521A Expired CA1075487A (en) | 1976-08-27 | 1977-08-26 | Optical measurement of small articles |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4186838A (OSRAM) |
| JP (1) | JPS5847011B2 (OSRAM) |
| AU (1) | AU504744B2 (OSRAM) |
| BE (1) | BE858173A (OSRAM) |
| BR (1) | BR7705711A (OSRAM) |
| CA (1) | CA1075487A (OSRAM) |
| CH (1) | CH618270A5 (OSRAM) |
| DE (1) | DE2737579C2 (OSRAM) |
| FR (1) | FR2363097A1 (OSRAM) |
| GB (1) | GB1560446A (OSRAM) |
| IL (1) | IL52768A (OSRAM) |
| NL (1) | NL185956C (OSRAM) |
| ZA (1) | ZA765149B (OSRAM) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA781879B (en) * | 1978-04-03 | 1979-11-28 | De Beers Cons Mines Ltd | Selector apparatus |
| US4280625A (en) * | 1978-04-03 | 1981-07-28 | Grobbelaar Jacobus H | Shade determination |
| 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 |
Family Cites Families (20)
| 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 |
| GB642284A (en) * | 1948-06-16 | 1950-08-30 | Herbert Frankel | Apparatus for sorting 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 |
| GB712113A (en) * | 1951-07-19 | 1954-07-21 | George Mattey Baigent | Improvements in or relating to sorting apparatus |
| 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 (OSRAM) * | 1965-04-01 | 1965-09-22 | ||
| 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 |
| US3489277A (en) * | 1967-03-13 | 1970-01-13 | Daniel Silverman | Examining sorting system with multiple rejection means |
| US3618764A (en) * | 1970-01-13 | 1971-11-09 | Merck & Co Inc | Process for inspecting printed tablets and capsules using color responsive sorting machines |
| JPS5435114B2 (OSRAM) * | 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 |
-
1976
- 1976-08-27 ZA ZA00765149A patent/ZA765149B/xx unknown
-
1977
- 1977-08-16 GB GB34423/77A patent/GB1560446A/en not_active Expired
- 1977-08-17 IL IL52768A patent/IL52768A/xx unknown
- 1977-08-17 US US05/825,390 patent/US4186838A/en not_active Expired - Lifetime
- 1977-08-19 FR FR7725890A patent/FR2363097A1/fr active Granted
- 1977-08-20 DE DE2737579A patent/DE2737579C2/de not_active Expired
- 1977-08-24 AU AU28184/77A patent/AU504744B2/en not_active Expired
- 1977-08-24 CH CH1035877A patent/CH618270A5/de not_active IP Right Cessation
- 1977-08-25 NL NLAANVRAGE7709422,A patent/NL185956C/xx not_active IP Right Cessation
- 1977-08-26 BR BR7705711A patent/BR7705711A/pt unknown
- 1977-08-26 BE BE180486A patent/BE858173A/xx not_active IP Right Cessation
- 1977-08-26 CA CA285,521A patent/CA1075487A/en not_active Expired
- 1977-08-26 JP JP52102529A patent/JPS5847011B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IL52768A (en) | 1980-01-31 |
| IL52768A0 (en) | 1977-10-31 |
| FR2363097B1 (OSRAM) | 1982-06-04 |
| NL185956B (nl) | 1990-03-16 |
| DE2737579A1 (de) | 1978-03-02 |
| CH618270A5 (OSRAM) | 1980-07-15 |
| BR7705711A (pt) | 1978-06-27 |
| JPS5329180A (en) | 1978-03-18 |
| BE858173A (fr) | 1978-02-27 |
| FR2363097A1 (fr) | 1978-03-24 |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |