Apparatus and method for conserving power in an electronic coin
Apparatus and method for determining the validity of a coin
Apparatus and method for determining the validity of a coin
Apparatus and method for discriminating coins based on metal con
Apparatus and method for identifying metallic tokens and coins
Apparatus for checking the validity of coins
Apparatus for coin sorting and counting
Apparatus for validating items of value, and method of calibrati
Automatic payment device and method for recognizing coins