Method and device for detecting coin

Details Method and device for detecting coin Method and device for detecting coin

G - Physics

07

D

G07D 5/08 (2006.01)

Patent

CA 2290516

A method and device for detecting a coin, wherein one of a plurality of coils (1a, 1b, 1c) is selectively connected to an oscillation unit (4) via a switching unit (2) and a coin is detected based on an output from an oscillation circuit comprising the connected coil (one of 1a, 1b, 1c) and the oscillation unit (4).

La présente invention concerne un procédé et un dispositif de détection d'une pièce, dans lequel un serpentin parmi une pluralité de serpentins (1a, 1b, 1c) est relié sélectivement à une unité d'oscillation (4) via une unité de commutation (2). On détecte une pièce sur la base d'une sortie provenant du circuit d'oscillation comprenant le serpentin relié (1a, 1b, ou 1c) et l'unité d'oscillation (4).

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