Money item acceptor
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United States of America Patent
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Apr 20, 2004
Grant Date -
N/A
app pub date -
Dec 11, 2001
filing date -
Feb 10, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An acceptor for money items such as coins or banknotes produces a money item parameter signal x.sub.1 as a function of a sensed characteristic of a money item. A store (12) provides data which defines a window corresponding to a normal acceptance range of values of the parameter signal for a money item of a particular denomination (NAW), the range including relatively high and low acceptance probability regions (RAW, USM) which correspond to a relatively high or low probability or an occurrence of a sensed money item of a particular denomination. The processor (11) determines when an occurrence of the parameter signal x.sub.1 falls within the low probability region (USM) and then for the next sensed money item compares the value of the parameter signal (x.sub.1) with window data corresponding to a restricted acceptance range (RAW) so as only to accept the second money item if the corresponding value of the parameter signal x.sub.1 falls within the restricted acceptance range.
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