G - Physics – 07 – D
Patent
G - Physics
07
D
G07D 5/00 (2006.01) G07D 5/08 (2006.01)
Patent
CA 2102839
The present invention provides a coin-identifying method that is fast and that can reject any counterfeit coin that closely resembles a genuine coin, or a counterfeit coin that has a distribution that partially overlaps into a genuine-coin identification region, without reducing the acceptance ratio of genuine coins. It also provides an inexpensive apparatus that utilizes this method. The method and apparatus of the present invention perform a identification in which a first region is set to define a comparison reference for values measured by a first sensor and a second sensor that detect characteristics of a coin, a second region is set in such a manner as to partially overlap the first region, a preliminary identification is performed using this second region to determine whether the coin is a counterfeit. If the identification result is such that the coin is not determined to be a counterfeit, the first region is then used for further identification.
La présente invention concerne une méthode pour identifier des pièces de monnaie; la méthode est rapide et permet de rejeter toute fausse pièce présentant une grande ressemblance avec les pièces authentiques ainsi que les pièces qui possèdent certaines caractéristiques correspondant partiellement à celles de pièces authentiques sans diminuer le taux de reconnaissance et d'acceptation de pièces authentiques. La méthode proposée repose sur l'utilisation d'un dispositif bon marché. La méthode et le dispositif proposés effectuent l'identification de la pièce en définissant une région de référence pour comparaison par un premier capteur et un deuxième capteur qui détecte les caractéristiques d'une deuxième région. Si le processus d'identification conduit à la conclusion que la pièce est authentique, la première région est alors utilisée aux fins d'identification plus poussée.
Fetherstonhaugh & Co.
Nippon Conlux Co. Ltd.
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