Characterizing items of currency
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 3, 2014
Grant Date -
May 17, 2012
app pub date -
Apr 7, 2010
filing date -
Apr 8, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
Characterizing an item of currency employs a validation apparatus that includes at least three specified light sources for illuminating the item of currency. Each of the specified light sources has an emission spectrum similar to an approximating function for reconstructing a predetermined set of spectrum. At least one receiver receives light emitting from the at least three specified light sources. A transportation unit transports the item of currency within the validation apparatus. The light received by the receiver is at least one of light reflected by or light transmitted through the item of currency.
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