Remotely located lottery terminals, for operation by purchasers of lottery tickets, are adapted to be coupled by telephone to each other and to a central host computer as for verification of tickets by storing backup lottery data. Individual terminals are self-sufficient to approve ticket sales, issue...http://www.google.de/patents/US5119295?utm_source=gb-gplus-sharePatent US5119295 - Centralized lottery system for remote monitoring or operations and status data from lottery terminals including detection of malfunction and counterfeit units
