Illumination device for product examination
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United States of America Patent
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Mar 4, 2008
Grant Date -
N/A
app pub date -
Nov 29, 2006
filing date -
Nov 29, 2006
priority date (Note) -
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Abstract
An illumination device for use with a product inspection machine inspecting products according to at least one characteristic. The invention also pertains to an illumination device for use in sorting machines that optically sort or separate nonstandard fungible objects from standard objects as they pass a viewing station by viewing such objects illuminated by at least one wavelength. The invention includes a plurality of arrays of semiconductor light sources impinging on passing product and at least one array of semiconductor light sources of wavelength and intensity equal to the plurality of arrays impinging on a background surface for detection and comparison.
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