ZA781879B - Selector apparatus - Google Patents

Selector apparatus

Info

Publication number
ZA781879B
ZA781879B ZA00781879A ZA781879A ZA781879B ZA 781879 B ZA781879 B ZA 781879B ZA 00781879 A ZA00781879 A ZA 00781879A ZA 781879 A ZA781879 A ZA 781879A ZA 781879 B ZA781879 B ZA 781879B
Authority
ZA
South Africa
Prior art keywords
selector apparatus
selector
Prior art date
Application number
ZA00781879A
Other languages
English (en)
Inventor
R Colson
J Grobbelaar
C Levitt
Original Assignee
De Beers Cons Mines 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 Cons Mines Ltd filed Critical De Beers Cons Mines Ltd
Priority to ZA00781879A priority Critical patent/ZA781879B/xx
Priority to US06/022,514 priority patent/US4280625A/en
Priority to IL56933A priority patent/IL56933A0/xx
Priority to GB7935664A priority patent/GB2031303A/en
Priority to AU45440/79A priority patent/AU525627B2/en
Priority to GB7910589A priority patent/GB2018419B/en
Priority to NLAANVRAGE7902470,A priority patent/NL186741C/xx
Priority to DE2912848A priority patent/DE2912848C2/de
Priority to CH302979A priority patent/CH638896A5/de
Priority to FR7908208A priority patent/FR2422158A1/fr
Priority to CA324,623A priority patent/CA1127866A/en
Priority to BR7902000A priority patent/BR7902000A/pt
Priority to JP3970879A priority patent/JPS5510588A/ja
Priority to BE2/57702A priority patent/BE875283A/xx
Publication of ZA781879B publication Critical patent/ZA781879B/xx

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0251—Colorimeters making use of an integrating sphere
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
ZA00781879A 1978-04-03 1978-04-03 Selector apparatus ZA781879B (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
ZA00781879A ZA781879B (en) 1978-04-03 1978-04-03 Selector apparatus
US06/022,514 US4280625A (en) 1978-04-03 1979-03-21 Shade determination
IL56933A IL56933A0 (en) 1978-04-03 1979-03-22 Method and apparatus for determining shade of particles
GB7935664A GB2031303A (en) 1978-04-03 1979-03-27 Apparatus for sorting particulate matter
AU45440/79A AU525627B2 (en) 1978-04-03 1979-03-27 Shade determination
GB7910589A GB2018419B (en) 1978-04-03 1979-03-27 Shade determination
NLAANVRAGE7902470,A NL186741C (nl) 1978-04-03 1979-03-29 Werkwijze voor het bepalen van de tint van een deeltje.
DE2912848A DE2912848C2 (de) 1978-04-03 1979-03-30 Verfahren und Vorrichtung zur Bestimmung des Farbtones eines Partikels
CH302979A CH638896A5 (de) 1978-04-03 1979-04-02 Verfahren und vorrichtung zur bestimmung der farbschattierung von gegenstaenden.
FR7908208A FR2422158A1 (fr) 1978-04-03 1979-04-02 Procede et appareil pour l'evaluation de l'apparence grise de pierres ou de fragments translucides
CA324,623A CA1127866A (en) 1978-04-03 1979-04-02 Shade determination
BR7902000A BR7902000A (pt) 1978-04-03 1979-04-02 Processo e aparelho para determinar a tonalidade de uma particula
JP3970879A JPS5510588A (en) 1978-04-03 1979-04-02 Method and device for measuring jewel clarity and brightness
BE2/57702A BE875283A (fr) 1978-04-03 1979-04-03 Procede et appareil de determination de la nuance de coloration d'une particule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA00781879A ZA781879B (en) 1978-04-03 1978-04-03 Selector apparatus

Publications (1)

Publication Number Publication Date
ZA781879B true ZA781879B (en) 1979-11-28

Family

ID=25572769

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00781879A ZA781879B (en) 1978-04-03 1978-04-03 Selector apparatus

Country Status (3)

Country Link
JP (1) JPS5510588A (OSRAM)
BE (1) BE875283A (OSRAM)
ZA (1) ZA781879B (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06315506A (ja) * 1993-05-10 1994-11-15 Yasuhei Suko 車椅子

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA765149B (en) * 1976-08-27 1978-04-26 De Beers Ind Diamond Measurement of optical properties

Also Published As

Publication number Publication date
JPS6334422B2 (OSRAM) 1988-07-11
BE875283A (fr) 1979-07-31
JPS5510588A (en) 1980-01-25

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