Image analysis – Applications – Manufacturing or product inspection
Reexamination Certificate
2007-07-03
2007-07-03
Bali, Vikkram (Department: 2624)
Image analysis
Applications
Manufacturing or product inspection
Reexamination Certificate
active
10921441
ABSTRACT:
An apparatus for generating data for use in determining a property of a gemstone, such as a cut diamond with a support structure for supporting a gemstone placed at an observation position, the support structure being arranged such that, if the gemstone has an axis of symmetry, the gemstone is supportable such that the axis of symmetry is parallel to an axis X passing through the observation position; an illuminator arranged to illuminate a gemstone so placed with a spatially varied light pattern; a rotator arranged to cause relative rotation between the light pattern and the support structure generally about the axis X; and a camera arranged to capture, at each of a plurality of rotational positions, an image of light returned by the gemstone and to output said images as image data.
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Keersmaekers Christiaan Louis Cecile
Lapa Dave
Van de Velde Marc Frans Alida
Bali Vikkram
Knobbe Martens Olson & Bear LLP
Overseas Diamonds Technologies
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