Coin acceptor

Details Coin acceptor Coin acceptor

G - Physics

07

D

G07D 5/08 (2006.01) G07D 5/00 (2006.01)

Patent

CA 2306219

A coin acceptor is configured to detect a coin of a given denomination which includes regions that present respective distinctive inductive characteristics, such as a bimetallic coin e.g. the new UK ~2.00 coin (8) which has different metallic regions (21, 22). The acceptor has a coin sensing station (4) which includes a sensor coil unit (C3a,b) having a coil face (30) past which the coin (8) passes to form an inductive coupling selectively with substantially only with the outer region (22) of the coin. The area of the coil face (30) is less than 72 mm2.

L' invention concerne un système d'acceptation de monnaie configuré de manière à détecter une pièce de monnaie d'une valeur donnée comprenant des zones qui présentent respectivement des caractéristiques inductives propres, par exemple une pièce bimétallique comme la nouvelle pièce (8) de UK£2.00 qui présente différentes zones (21, 22) métalliques. Le système d'acceptation comprend une station (4) de détection équipée d'un élément bobine (C3a,b) d'induction de détection comprenant une face (30) à côté de laquelle la pièce (8) passe pour former sélectivement un couplage par induction sensiblement limité à la zone (22) externe de la pièce. La superficie de la face (30) de bobine est inférieure à 72 mm?2¿.

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