Capacitance sensor for coin evaluation
Classification accuracy setting device for a coin selector
Coil configuration for electronic coin tester and method of maki
Coin acceptance mechanism and method of determining an acceptabl
Coin accepter/rejector including symmetrical dual feedback oscil
Coin accepting apparatus
Coin analyzer sensor configuration and system
Coin analyzer sensor configuration and system
Coin analyzer system and apparatus
Coin analyzer system and apparatus
Coin checking
Coin checking device for discriminating denomination of a coin a
Coin checking device for use in a coin handling machine
Coin checking method and apparatus employing wave train comparis
Coin chute assembly
Coin collecting machine
Coin collecting mechanism with top coin slot and coin return fun
Coin control systems for automatic machines
Coin detection and validation means
Coin detection and validation means and method