Method of examining a coin for determining its validity and denomination
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United States of America Patent
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Apr 15, 2014
Issued Date -
N/A
app pub date -
Oct 22, 2007
filing date -
Oct 20, 2006
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Abstract
A method of examining a coin for determining the validity of its denomination, comprises the steps of moving a coin through a passageway, sensing said moving coin in said passageway with one or more sensors to interact with said moving coin and provide at least two values indicative of the said coin, calculating two or more coin features by using said at least two values, determining that said coin features values lie between predetermined minimum and maximum stored values, applying predetermined coefficients of weighted-error to each of said coin features, calculating weighted-error correlation coefficients using two or more of the said coin feature values, and determining validity when the said calculated weighted-error correlation coefficient is above predetermined minimum stored values, or when said coefficient is the maximum of all calculated coefficients.
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