发明名称 |
Methods, apparatus, and systems for evaluating gemstones |
摘要 |
Methods for grading gemstones, apparatus for grading gemstones, and systems that utilize such methods and apparatus, specifically methods which trace rays through a computer representation of a gemstone wherein the rays enter the gemstone though the gemstone crown and allow a grade to be assigned to the gemstone represented based on the ray paths through the representation.
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申请公布号 |
US7336347(B2) |
申请公布日期 |
2008.02.26 |
申请号 |
US20040018042 |
申请日期 |
2004.12.20 |
申请人 |
AMERICAN GEM SOCIETY |
发明人 |
SASIAN JOSE;CAUDILL JAMES;YANTZER PETER |
分类号 |
G01N21/00;G01B5/28;G01N21/87;G01N21/88 |
主分类号 |
G01N21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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