Paper sheet identification method and apparatus
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United States of America Patent
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Sep 28, 2004
Grant Date -
N/A
app pub date -
Oct 27, 2000
filing date -
Oct 29, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An identification method and apparatus for paper sheet statistically process information representing characteristics of a bank note, condense these to a smaller number of characteristics, and determine the authenticity of the bank note by using these characteristics. The method for identifying a paper sheet comprises separately carrying out (a) a detecting step and (b) a processing step, which are described below, for a genuine paper sheet note and a paper sheet to be checked, creating reference data based on the detecting step and the processing step carried out for the genuine note, and deter the authenticity of the paper sheet to be checked by comparing the data detected therefrom with the reference data. The identification apparatus for paper sheet, comprises signal creating units D, LD, PD, IV, AD and M, which create a plurality of pattern signals to be checked for a plurality of physical characteristics representing a pattern which is printed on the paper sheet in a predetermined region thereof; a processing unit J1; and a reference data storing unit R and a determining unit J2.
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