Coin discriminating apparatus

Details Coin discriminating apparatus Coin discriminating apparatus

1997-03-12

1999-03-30

Bartuska, F. J.

Check-actuated control mechanisms

Including means to test validity of check

By testing material composition

194334, G07D 502

Patent

active

058876979

ABSTRACT:
A coin discriminating apparatus includes a plurality of light emitting elements for projecting light onto a coin, a light receiver for optically detecting light reflected by the coin, and a scattering member, disposed on an opposite side of the coin from a light receiver, for scattering light emitted from the plurality of light emitting elements. The light receiver receives light reflected by the coin and light scattered by the scattering member and produces pattern data. The coin discriminating apparatus further includes a coin discriminator for detecting a diameter of the coin based on the pattern data produced by the light receiver, tentatively determining a denomination of the coin, and comparing the pattern data of the coin produced by the light receiver with reference pattern data of a coin of the tentatively determined denomination. It is therefore possible to discriminate coins with high accuracy by optically detecting the pattern of obverse or reverse surfaces of the coins, even if dust and the like adhere to the side surfaces of the coins.

REFERENCES:
patent: 5494147 (1996-02-01), Takahashi et al.
patent: 5515960 (1996-05-01), Wood

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