Multiple coin analyzer system
Pattern recognition using artificial neural network for coin val
Procedure for detecting the operation of the coin return mechani
Procedure for processing electrical signals used in verifying co
Push coin acceptor
Resonant coil coin detection apparatus
Sensor and method for discriminating coins using fast...
Sensor coil for discriminating coin acceptor or rejector
Sensor for coin acceptor
System and method for coin validation
Testing device for coins of different dimensions and different e
Unacceptable coin removing apparatus for coin handling machine
Validator with removable power interface
Vending machine for bottled water