A remote system for use with a gaming system implements a player tracking system. The remote system includes a remote device and a remote network interface coupled to the remote device for exchanging data between a host computer and the remote device. The data includes voucher information to issue a...http://www.google.de/patents/US7303470?utm_source=gb-gplus-sharePatent US7303470 - System and method for assigning a voucher to a player in a player tracking system