NL7212987A - - Google Patents

Info

Publication number
NL7212987A
NL7212987A NL7212987A NL7212987A NL7212987A NL 7212987 A NL7212987 A NL 7212987A NL 7212987 A NL7212987 A NL 7212987A NL 7212987 A NL7212987 A NL 7212987A NL 7212987 A NL7212987 A NL 7212987A
Authority
NL
Netherlands
Application number
NL7212987A
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 filed Critical
Publication of NL7212987A publication Critical patent/NL7212987A/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/389Precious stones; Pearls
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/87Investigating jewels

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Adornments (AREA)
NL7212987A 1971-09-29 1972-09-26 NL7212987A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2148582A DE2148582C3 (de) 1971-09-29 1971-09-29 Verfahren zur Erfassung der Eigenschaften von Schmucksteinen durch Lichtreflexion

Publications (1)

Publication Number Publication Date
NL7212987A true NL7212987A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-04-02

Family

ID=5820909

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7212987A NL7212987A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-09-29 1972-09-26

Country Status (11)

Country Link
US (1) US3858979A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS4842873A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE789234A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH560895A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2148582C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2158828A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1403557A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL40443A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT967939B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7212987A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA726551B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL43465A (en) * 1973-10-23 1976-12-31 Yeda Res & Dev Gem identification
JPS5129983A (en) * 1974-08-26 1976-03-13 Shuichi Matsumoto Daiyamondono shikichoshikibetsuhoho oyobisono sochi
IL58344A (en) * 1978-10-09 1983-09-30 De Beers Cons Mines Ltd Method of assessing the colour of gems
DE3172491D1 (en) * 1980-06-04 1985-11-07 Gersan Ets Method and system for examining a gem stone
JPS57165742A (en) * 1981-04-04 1982-10-12 Ii R C:Kk Comparing and evaluating device for jewel and jewelry, enabling substitution of price element
JPS57171249A (en) * 1981-04-15 1982-10-21 Ii R C:Kk Identification of jewel and jewely by video
JPS58728A (ja) * 1981-06-25 1983-01-05 Shimadzu Corp ダイヤモンドカラ−測定装置
JPS59103258U (ja) * 1982-12-28 1984-07-11 内藤 清 ダイヤモンドの鑑別装置
JPS60109041U (ja) * 1983-12-27 1985-07-24 有限会社 ジエイ デイ− エム ダイヤモンド等の宝石の輝きの判定器具
GB8531396D0 (en) * 1985-12-20 1986-02-05 Gersan Ets Sorting
US5184732A (en) * 1985-12-20 1993-02-09 Gersan Establishment Shape sorting
US5206699A (en) * 1988-05-06 1993-04-27 Gersan Establishment Sensing a narrow frequency band of radiation and gemstones
GB8826224D0 (en) * 1988-11-09 1988-12-14 Gersan Anstalt Sensing shape of object
US5424830A (en) * 1994-10-13 1995-06-13 Andrychuk; Dmetro Method and apparatus for determining the facet angles of a gemstone
US6281680B1 (en) 1994-11-21 2001-08-28 Marion Matthews Method and apparatus for distinguishing synthetic diamonds from natural diamonds
US5559436A (en) * 1994-11-21 1996-09-24 Marion Matthews Method and apparatus for distinguishing synthetic diamonds from natural diamonds
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
US7260544B1 (en) * 2000-10-12 2007-08-21 Gemological Institute Of America, Inc. System and methods for evaluating the appearance of a gemstone
TR200401858T4 (tr) * 2001-12-13 2004-09-21 Overseas Diamonds Technologies N.V. Kıymetli taşın bir özelliğinin belirlenmesi için veri üreten bir cihaz ve kıymetli taşın bir özelliğini belirlemek için yöntemler.
US7872804B2 (en) * 2002-08-20 2011-01-18 Illumina, Inc. Encoded particle having a grating with variations in the refractive index
US7900836B2 (en) * 2002-08-20 2011-03-08 Illumina, Inc. Optical reader system for substrates having an optically readable code
US7164533B2 (en) * 2003-01-22 2007-01-16 Cyvera Corporation Hybrid random bead/chip based microarray
US7923260B2 (en) * 2002-08-20 2011-04-12 Illumina, Inc. Method of reading encoded particles
US7508608B2 (en) * 2004-11-17 2009-03-24 Illumina, Inc. Lithographically fabricated holographic optical identification element
US7092160B2 (en) * 2002-09-12 2006-08-15 Illumina, Inc. Method of manufacturing of diffraction grating-based optical identification element
US20100255603A9 (en) 2002-09-12 2010-10-07 Putnam Martin A Method and apparatus for aligning microbeads in order to interrogate the same
US6786733B2 (en) 2002-10-15 2004-09-07 Overseas Diamonds Inc. Computer-implemented method of and system for teaching an untrained observer to evaluate a gemstone
US20060057729A1 (en) * 2003-09-12 2006-03-16 Illumina, Inc. Diffraction grating-based encoded element having a substance disposed thereon
US7433123B2 (en) * 2004-02-19 2008-10-07 Illumina, Inc. Optical identification element having non-waveguide photosensitive substrate with diffraction grating therein
WO2006020363A2 (en) * 2004-07-21 2006-02-23 Illumina, Inc. Method and apparatus for drug product tracking using encoded optical identification elements
US7604173B2 (en) * 2004-11-16 2009-10-20 Illumina, Inc. Holographically encoded elements for microarray and other tagging labeling applications, and method and apparatus for making and reading the same
WO2006055735A2 (en) 2004-11-16 2006-05-26 Illumina, Inc Scanner having spatial light modulator
EP1869615B1 (en) * 2004-11-16 2010-03-03 Illumina, Inc. Methods and apparatus for reading coded microbeads
US20060134324A1 (en) * 2004-11-17 2006-06-22 Illumina, Inc. Filament with easily removed protective coating and methods for stripping the same
US7193694B2 (en) * 2005-05-02 2007-03-20 William Underwood Method for grading gemstone cut and symmetry
EP1764610A1 (en) * 2005-09-14 2007-03-21 Overseas Diamonds Technologies N.V. Improvements in gemstone viewing methods and apparatus
US7623624B2 (en) * 2005-11-22 2009-11-24 Illumina, Inc. Method and apparatus for labeling using optical identification elements characterized by X-ray diffraction
US9262284B2 (en) * 2006-12-07 2016-02-16 Lenovo Enterprise Solutions (Singapore) Pte. Ltd. Single channel memory mirror
US20090234754A1 (en) * 2008-03-11 2009-09-17 Dave Lapa Apparatus, a method, and a system for gemstone evaluation and gemology tutoring over the internet
US8498847B2 (en) * 2009-05-29 2013-07-30 Pnina Gelman Cut grading gemstones, evaluation and representation of symmetry and proportion
GB2558247A (en) 2016-12-23 2018-07-11 De Beers Uk Ltd Gemstone sorting

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1799604A (en) * 1926-11-03 1931-04-07 Fayette F Read Method and apparatus for identifying crystals
DE1772105C2 (de) * 1968-03-30 1974-04-04 Eickhorst, Manfred, 2000 Hamburg Vorrichtung zur Bestimmung der photometrischen Transmission geschliffener Diamanten

Also Published As

Publication number Publication date
BE789234A (fr) 1973-01-15
DE2148582A1 (de) 1973-04-12
DE2148582C3 (de) 1974-02-21
JPS4842873A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-06-21
IT967939B (it) 1974-03-11
IL40443A0 (en) 1972-11-28
US3858979A (en) 1975-01-07
ZA726551B (en) 1973-09-26
DE2148582B2 (de) 1973-08-02
FR2158828A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-06-15
GB1403557A (en) 1975-08-28
IL40443A (en) 1976-03-31
CH560895A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-04-15

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed