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A method and apparatus for locating inclusions in a diamond stone
Method and System for Improved Optical Modeling of Gemstones
Method and Apparatus for Examining a Diamond
 
Patents

A method and apparatus for locating inclusions in a diamond stone (1 211 503)
Method and System for Improved Optical Modeling of Gemstones (WO/2009/068354)
Method and Apparatus for Examining a Diamond (US 7,259,839 B2)

A method and apparatus for locating inclusions in a diamond stone

EUROPEAN PATENT APPLICATION

Publication No. 1 211 503
 
Date of publication: 05.06.2002 Bulletin 2002/23
Application number: 00204323.0
Date of filing: 04.12.2000
 
Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

Designated Extension States:
AL LT LV MK RO SI

 
Applicants:
Diamcad 2018 Antwerp (BE)
Sivovolenko, Serguei Borisovish, Moskou (RU)
 
Inventors:
van der Steen, Pol 2900 Gooreind (BE)
Sivovolenko, Serguei Borisovish, Moskou (RU)
 
Representative: Hoorweg, Petrus Nicolaas et al Arnold & Siedsma,
Advocaten en Octrooigemachtigden, Sweelinckplein 1 2517 GK Den Haag (NL)
 
A method and apparatus for locating inclusions in a diamond stone
 
A method and apparatus for localizing inclusions in a diamond, where in said diamond is fixed on a holder, said diamond on the holder is observed under a predetermined angle to obtain an image, further a second measurement is carried out to obtain two data to be calculated in a computer, said second data can be obtained by a depth measurement, or by changing the direction of observation to said diamond, in order to localize the inclusion with respect to the outer surface of said diamond.

Russian Patent No. 2263304 (Application No. 2003119969)
Indian Patent Application No. 860/CHENP/2003
Canadian Patent Application No. 2430694
Israeli Patent Application No. 156,034