The invention provides a method and apparatus for linking a plurality of independent networks to a single central control system. In one embodiment, a casino accounting and reporting processing system provides a common back end to a plurality of networks. In one embodiment, the central server is coupled...http://www.google.com.tw/patents/US20070054740?utm_source=gb-gplus-share專利 US20070054740 - HYBRID GAMING NETWORK