Method and device for testing coins

G - Physics – 07 – D

Patent

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Details

G07D 5/00 (2006.01) G07D 5/02 (2006.01) G07D 5/10 (2006.01)

Patent

CA 2516111

Disclosed is a method and device for testing coins which are placed in a coin acceptor unit and which are displaced in front of an image sensor consisting of lines and columns, whereby said image sensor records an image of the coins that are to be tested. At least one of the front columns in the direction of movement of said coins and/or at least one line of the image sensor captures parameters, which in conjunction with the temporal detection information, are used to provide information on the movement of said coins. It is determined independently from said parameters when the coin will appear in a desired overlap area for recording, whereby the image sensor is shifted into an activation mode of the columns and lines of the overlap area and recording is triggered.

L'invention concerne un procédé et un dispositif pour contrôler des pièces de monnaie, qui sont introduites dans un contrôleur de pièces de monnaie et passent devant un capteur d'images pourvu de lignes et de colonnes, lequel fait une prise de vue des pièces à contrôler. Au moins une des colonnes placées en avant dans le sens de déplacement des pièces et/ou au moins une ligne du capteur d'images saisissent des paramètres qui, conjointement aux informations temporelles de la saisie, permettent de déterminer le mouvement des pièces. En fonction de ces paramètres, il est possible de déterminer quand une pièce de monnaie doit pénétrer dans une zone de superposition du capteur d'images nécessaire pour la prise de vue, le capteur d'images étant alors mis en circuit et les lignes et les colonnes de la zone de superposition activées pour la prise de vue.

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