CA923724A - Methods and apparatus for distinguishing between bodies according to their translucency - Google Patents

Methods and apparatus for distinguishing between bodies according to their translucency

Info

Publication number
CA923724A
CA923724A CA081895A CA81895A CA923724A CA 923724 A CA923724 A CA 923724A CA 081895 A CA081895 A CA 081895A CA 81895 A CA81895 A CA 81895A CA 923724 A CA923724 A CA 923724A
Authority
CA
Canada
Prior art keywords
translucency
distinguishing
methods
bodies according
bodies
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
CA081895A
Inventor
D. Reid Colin
D. Ritchie Ian
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Application granted granted Critical
Publication of CA923724A publication Critical patent/CA923724A/en
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
    • G01N21/17—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
    • G01N21/474—Details of optical heads therefor, e.g. using optical fibres
    • 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
    • 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
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
    • B07C5/365—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means
    • B07C5/366—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means during free fall of the articles

Landscapes

  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Sorting Of Articles (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
CA081895A 1969-05-19 1970-05-05 Methods and apparatus for distinguishing between bodies according to their translucency Expired CA923724A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2552969 1969-05-19

Publications (1)

Publication Number Publication Date
CA923724A true CA923724A (en) 1973-04-03

Family

ID=10229163

Family Applications (1)

Application Number Title Priority Date Filing Date
CA081895A Expired CA923724A (en) 1969-05-19 1970-05-05 Methods and apparatus for distinguishing between bodies according to their translucency

Country Status (6)

Country Link
US (1) US3786266A (en)
CA (1) CA923724A (en)
DE (2) DE7018257U (en)
FR (1) FR2048464A5 (en)
GB (1) GB1305192A (en)
ZA (1) ZA702986B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0017007A1 (en) * 1979-03-31 1980-10-15 Desitek Design und Vertrieb technischer Geräte GmbH Measuring device for recording turbidity, especially of fluids
NL8000349A (en) * 1980-01-18 1981-08-17 Rijksuniversiteit Broerstraat OPTICAL REFLECTION METER.
FI831936A0 (en) * 1983-05-30 1983-05-30 Labsystems Oy FLUORESCENS, TURBIDITY, LUMINESCENS ELLER ABSORPTION
FR2571144B1 (en) * 1984-10-01 1986-12-19 Centre Nat Rech Scient DEVICE IN PARTICULAR FOR MULTI-MEASUREMENT FOR REMOTE AND IN SITU ANALYSIS OF A SAMPLE BY RAMAN SPECTROMETRY
NL8502138A (en) * 1985-07-26 1987-02-16 Ekro Bv FIBER-OPTICAL DEVICE.
JPH0690149B2 (en) * 1986-01-31 1994-11-14 東洋ガラス株式会社 Transparency inspection device
GB2195438A (en) * 1986-09-26 1988-04-07 Pilkington Brothers Plc Detecting unwanted materials among cullet
US4793710A (en) * 1987-06-09 1988-12-27 The United States Of America As Represented By The Secretary Of The Interior Method and apparatus for measuring surface density of explosive and inert dust in stratified layers
GB2211931B (en) * 1987-11-02 1992-02-26 De Beers Ind Diamond Sorting apparatus
ES2047678T3 (en) * 1988-09-08 1994-03-01 De Beers Ind Diamond CLASSIFICATION DEVICE.
US7142307B1 (en) 1991-03-01 2006-11-28 Stark Edward W Method and apparatus for optical interactance and transmittance measurements
AU2575792A (en) * 1991-10-01 1993-05-03 Oseney Limited Scattered/transmitted light information system
EP0574601B1 (en) * 1992-06-15 1998-09-16 Edward W. Stark Improved method and apparatus for optical interactance and transmittance measurements
DE4430332A1 (en) * 1994-08-28 1996-02-29 Hergeth Hubert A Optical installation for detecting foreign particles in fibre line
BE1012795A3 (en) * 1999-07-23 2001-03-06 Barco Elbicon N V Use of optical waveguide technology in a sort device.
NO336546B1 (en) 2010-09-24 2015-09-21 Tomra Sorting As Apparatus and method for inspection of matter
GB201202352D0 (en) 2012-02-10 2012-03-28 Buhler Sortex Ltd Illumination and detection system
CA2931921C (en) * 2013-12-03 2022-03-08 Outotec (Finland) Oy Method and apparatus for sorting pieces of rock containing quartz vein from pieces of rock and computer program for a processing device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3068742A (en) * 1959-06-15 1962-12-18 American Optical Corp Means for performing colorimetry
US3188478A (en) * 1962-01-11 1965-06-08 Melvin J Binks Pinhole detector optical system
US3240106A (en) * 1962-03-08 1966-03-15 Mosaic Fabrications Inc Fiber optical scanning device
US3327584A (en) * 1963-09-09 1967-06-27 Mechanical Tech Inc Fiber optic proximity probe
US3393800A (en) * 1965-10-21 1968-07-23 Fred A. Durand Jr. Method and apparatus for measuring light
DE1497586A1 (en) * 1966-02-17 1969-07-10 Schneider Feinwerktechnik Jos Fiber optic scanning device
US3518440A (en) * 1967-04-26 1970-06-30 Rochester Datronics Inc Photoelectric sensing apparatus
US3496363A (en) * 1967-05-16 1970-02-17 Electro Mechanical Research In Electronic device for searching for and tracking a radiant object having a selectively controllable imaging system
US3515273A (en) * 1967-08-11 1970-06-02 Fmc Corp Method for detecting object in translucent substance and device therefor

Also Published As

Publication number Publication date
FR2048464A5 (en) 1971-03-19
GB1305192A (en) 1973-01-31
ZA702986B (en) 1971-12-29
DE7018257U (en) 1970-11-05
DE2023893A1 (en) 1970-11-26
US3786266A (en) 1974-01-15

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