Coin discrimination sensor and coin handling system

Details Coin discrimination sensor and coin handling system Coin discrimination sensor and coin handling system

G - Physics

07

D

G07D 5/08 (2006.01) G07D 3/06 (2006.01) G07D 3/12 (2006.01) G07D 9/00 (2006.01)

Patent

CA 2171034

A coin discrimination sensor and coin handling system for discriminating among desired and undesired coins, comprises of an excitation coil for producing an alternating magnetic field. These alternating magnetic field couple to the desired and undesired coins to induce eddy-currents. The sensor also is comprises of a detection coil for detecting eddy-currents form desired and undesired coins. The detection coil produces a differential voltage corresponding to the composition of the desired and undesired coins being sensed.

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