FR1575850A - - Google Patents

Info

Publication number
FR1575850A
FR1575850A FR153674A FR1575850DA FR1575850A FR 1575850 A FR1575850 A FR 1575850A FR 153674 A FR153674 A FR 153674A FR 1575850D A FR1575850D A FR 1575850DA FR 1575850 A FR1575850 A FR 1575850A
Authority
FR
France
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
FR153674A
Other languages
French (fr)
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
Priority claimed from FR120430A external-priority patent/FR1542758A/fr
Application filed filed Critical
Application granted granted Critical
Publication of FR1575850A publication Critical patent/FR1575850A/fr
Expired 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • 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
    • 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

  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Structure Of Belt Conveyors (AREA)
FR153674A 1967-09-08 1968-06-04 Expired FR1575850A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR120430A FR1542758A (fr) 1967-09-08 1967-09-08 Appareil et procédé mis en oeuvre pour le triage de produits granuleux ou en blocsà l'aide de sources de radiations
FR153674 1968-06-04

Publications (1)

Publication Number Publication Date
FR1575850A true FR1575850A (da) 1969-07-25

Family

ID=26179353

Family Applications (1)

Application Number Title Priority Date Filing Date
FR153674A Expired FR1575850A (da) 1967-09-08 1968-06-04

Country Status (2)

Country Link
FR (1) FR1575850A (da)
GB (1) GB1244374A (da)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394907A (en) * 1979-12-04 1983-07-26 General Mining Union Corporation, Limited Displacement error correction in sorting systems
US4445615A (en) * 1979-12-04 1984-05-01 General Mining Union Corporation Limited Sorting system calibration

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK178879A (da) * 1979-05-01 1980-11-02 Bioteknisk Inst Fremgangsmaade til direkte profylaktisk forraadnelsesregistrerig af foedevaregenstande navnlig bestemmelse af phoma- og/ellerfusariumangreb paa kartofter samt apparat til udoevelse af fremgangsmaaden
GB2121535B (en) * 1982-06-02 1986-04-30 Anglo Amer Corp South Africa Detector for use in sorting system
US5206699A (en) * 1988-05-06 1993-04-27 Gersan Establishment Sensing a narrow frequency band of radiation and gemstones

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394907A (en) * 1979-12-04 1983-07-26 General Mining Union Corporation, Limited Displacement error correction in sorting systems
US4445615A (en) * 1979-12-04 1984-05-01 General Mining Union Corporation Limited Sorting system calibration

Also Published As

Publication number Publication date
GB1244374A (en) 1971-09-02

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Legal Events

Date Code Title Description
ST Notification of lapse