| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a slot machine maintaining player's expectation of winning a special symbol combination in an internal lottery. <P>SOLUTION: In the slot machine, a ready-to-win symbol combination is not derived from all of BB prizes (1)-(5), and RB prizes (1)-(4). Only when winning any of the BB prizes (3)-(5) and the RB prizes (2)-(4) in the internal lottery, the ready-to-win symbol combination is controlled to be derived, and even when winning any of the BB prizes (1) and (2) and the RB prize (1) in the internal lottery, the ready-to-win symbol combination is controlled not to be derived. <P>COPYRIGHT: (C)2012,JPO&INPIT |
