CA1216972A - Detector - Google Patents

Detector

Info

Publication number
CA1216972A
CA1216972A CA000429463A CA429463A CA1216972A CA 1216972 A CA1216972 A CA 1216972A CA 000429463 A CA000429463 A CA 000429463A CA 429463 A CA429463 A CA 429463A CA 1216972 A CA1216972 A CA 1216972A
Authority
CA
Canada
Prior art keywords
objects
image intensifier
frequency
radiation
characteristic
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
CA000429463A
Other languages
English (en)
French (fr)
Inventor
Hilton P. Gordon
Nigel P.G. Wyatt
Albert P. Hawkins
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.)
Anglo American Corp of South Africa Pty Ltd
Original Assignee
Anglo American Corp of South Africa 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 Anglo American Corp of South Africa Pty Ltd filed Critical Anglo American Corp of South Africa Pty Ltd
Application granted granted Critical
Publication of CA1216972A publication Critical patent/CA1216972A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B07C5/3425—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain
    • B07C5/3427—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain by changing or intensifying the optical properties prior to scanning, e.g. by inducing fluorescence under UV or x-radiation, subjecting the material to a chemical reaction

Landscapes

  • Analysing Materials By The Use Of Radiation (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Image Processing (AREA)
CA000429463A 1982-06-02 1983-06-01 Detector Expired CA1216972A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA823849 1982-06-02
ZA82/3849 1982-06-02

Publications (1)

Publication Number Publication Date
CA1216972A true CA1216972A (en) 1987-01-20

Family

ID=25576106

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000429463A Expired CA1216972A (en) 1982-06-02 1983-06-01 Detector

Country Status (11)

Country Link
JP (1) JPS5952382A (enEXAMPLES)
AT (1) AT384563B (enEXAMPLES)
AU (1) AU553934B2 (enEXAMPLES)
BR (1) BR8302929A (enEXAMPLES)
CA (1) CA1216972A (enEXAMPLES)
ES (1) ES8500657A1 (enEXAMPLES)
FI (1) FI831826A7 (enEXAMPLES)
FR (1) FR2527947B1 (enEXAMPLES)
GB (1) GB2121535B (enEXAMPLES)
GR (1) GR79264B (enEXAMPLES)
NZ (1) NZ204356A (enEXAMPLES)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61216787A (ja) * 1985-03-19 1986-09-26 株式会社　安西製作所 混入された異物を判定選別して除去をする機構
JPS63248028A (ja) * 1987-04-02 1988-10-14 松下電器産業株式会社 感震器
GB2211931B (en) * 1987-11-02 1992-02-26 De Beers Ind Diamond Sorting apparatus
ZA89663B (en) * 1988-01-29 1989-10-25 Argyle Diamond Sales Method of and apparatus for sorting and/or confirming the identity of gems
AU622666B2 (en) * 1988-05-06 1992-04-16 Gersan Establishment Identifying the position of objects or zones
GB2219394B (en) * 1988-05-06 1992-09-16 Gersan Ets Sensing a narrow frequency band of radiation and examining objects or zones
GB2219081B (en) * 1988-05-06 1992-12-02 Gersan Ets Identifying specific objects or zones
US5206699A (en) 1988-05-06 1993-04-27 Gersan Establishment Sensing a narrow frequency band of radiation and gemstones
AU622667B2 (en) * 1988-05-06 1992-04-16 Gersan Establishment A method of identifying individual objects or zones
DE68911800T2 (de) * 1988-09-08 1994-04-14 De Beers Ind Diamond Sortiervorrichtung.
GB9103552D0 (en) * 1991-02-20 1991-04-10 Gersan Ets Classifying or sorting
DE4205630A1 (de) * 1992-02-25 1993-08-26 Tzn Forschung & Entwicklung Verfahren und vorrichtung zur unterscheidung von kunststoffteilen sowie verwendung des verfahrens zur aussonderung wiederverwertbarer kunststoffteile aus industrie- und/oder hausmuell
GB9211734D0 (en) * 1992-06-03 1992-07-15 Gersan Ets Prospecting for diamonds
GB9417665D0 (en) * 1994-09-02 1994-10-19 Gersan Ets Distinguishing natural from synthetic diamond
JP4293346B2 (ja) 2003-02-19 2009-07-08 マツダ株式会社 樹脂材の再成形方法および樹脂材粉砕片の選別装置
GB2504052B (en) * 2012-03-16 2017-05-10 De Beers Uk Ltd Sorting aggregate material
WO2016030833A1 (en) * 2014-08-27 2016-03-03 Sahajanand Technologies Pvt. Ltd. Mobile gemstone identification
AT15295U1 (de) 2015-03-09 2017-05-15 Binder + Co Ag Aussortieren von mineralienhaltigen Objekten oder Kunststoff-Objekten
WO2016185472A1 (en) 2015-05-21 2016-11-24 Sarine Color Technologies Ltd. System and method of unique identifying a gemstone
CN107014757B (zh) * 2017-05-24 2023-07-18 华中农业大学 大闸蟹公母和大小在线无损检测分级设备
CN109932729A (zh) * 2019-04-19 2019-06-25 北京瑞特森传感科技有限公司 面阵激光雷达
CN112871751A (zh) * 2021-02-03 2021-06-01 精英数智科技股份有限公司 识别煤和煤矸石的方法及其识别装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB730549A (en) * 1952-04-04 1955-05-25 George Mattey Baigent Improvements in or relating to a method and apparatus for use in the sorting of articles
US3356211A (en) * 1964-12-07 1967-12-05 Ted C Mathews Separation of ore particles preferentially coated with liquid fluorescent material
GB1119542A (en) * 1966-01-11 1968-07-10 Gunsons Sortex Ltd Sorting machine
FR1575850A (enEXAMPLES) * 1967-09-08 1969-07-25
US3525863A (en) * 1967-12-28 1970-08-25 Minnesota Mining & Mfg Differential emission x-ray gauging apparatus and method using two monochromatic x-ray beams of balanced intensity
DE2347973C2 (de) * 1973-01-26 1983-11-24 Borden Inc., Columbus, Ohio Vorrichtung zum Untersuchen von Gegenständen wie gefüllte Behälter auf Fremdkörper
OA05510A (fr) * 1976-12-11 1981-04-30 De Beers Cons Mines Ltd Séparation de matières.
US4330062A (en) * 1978-06-21 1982-05-18 Sunkist Growers, Inc. Method and apparatus for measuring the surface color of an article
GB2025038B (en) * 1978-06-28 1982-11-24 Gunsons Sortex Ltd Method and apparatus for sorting agricultural products
DE2901970C2 (de) * 1979-01-19 1981-08-20 H.F. & Ph.F. Reemtsma Gmbh & Co, 2000 Hamburg Verfahren und Vorrichtung zum Aussortieren von Fremdkörpern aus auf einem sich bewegenden Förderband o.ä. befindlichen Gut
GB2060166B (en) * 1979-10-09 1984-03-21 Ag Electron Inc Sorting device and method
AU557022B2 (en) * 1981-10-23 1986-12-04 De Beers Industrial Diamond Division (Proprietary) Limited Diamond sorting using x-rays

Also Published As

Publication number Publication date
ES522888A0 (es) 1984-11-16
GB8313971D0 (en) 1983-06-29
BR8302929A (pt) 1984-02-07
FI831826L (fi) 1983-12-03
JPS5952382A (ja) 1984-03-26
GB2121535B (en) 1986-04-30
AU553934B2 (en) 1986-07-31
FI831826A0 (fi) 1983-05-23
NZ204356A (en) 1986-11-12
FI831826A7 (fi) 1983-12-03
ATA194883A (de) 1987-05-15
AT384563B (de) 1987-12-10
FR2527947B1 (fr) 1988-07-22
ES8500657A1 (es) 1984-11-16
AU1503883A (en) 1983-12-08
GR79264B (enEXAMPLES) 1984-10-22
GB2121535A (en) 1983-12-21
FR2527947A1 (fr) 1983-12-09

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Legal Events

Date Code Title Description
MKEX Expiry