Apparatus and method for use in an automatic determination of paper currency denominations
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United States of America Patent
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-
Oct 21, 1997
Grant Date -
N/A
app pub date -
Oct 5, 1995
filing date -
Jun 9, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and apparatus for use in automatic determination of the denominations of currency bills employs a light scanner to produce pixel signals representative of light pixels from bill surface portions extending across bill sides The pixel signals representative of side and top edges of the printing on the bill surface are found and used to generate a deskewed array of pixels representative of bill corner images that include the bill's denomination numbers Pixel signals indicative of light passed through bill portions enable the detection of a security thread in a bill A hierarchial technique for determining bill denominations is described
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