A gaming machine having a dynamic pay schedule is provided. The machine selects a pay schedule from a set of pay schedules as a function of the number of coins inserted and the current state of the machine. The state of the machine is represented by an event counter which is incremented upon the happening...http://www.google.de/patents/US5123649?utm_source=gb-gplus-sharePatent US5123649 - Gaming machine with dynamic pay schedule
