| 摘要 |
PROBLEM TO BE SOLVED: To precisely detect a fraud related to a slot machine in an early stage by analyzing occurrence tendency of produced random numbers. SOLUTION: This slot machine with the fraud detecting function is provided with a storage part 12 storing a random number produced for every internal lottery and a lottery table having lottery result information corresponding to a range of the value of the random number; a random number producing means 11a sequentially and repeatedly counting the number within a predetermined range and outputting the counted number as the random number when pushing down a start lever; a lottery means 11b obtaining the corresponding lottery result information from the lottery table based on the random number; an analysis information storage means 11c sequentially storing the random number in the storage part; and a fraud detecting means 11d determining whether there is a predetermined tendency in production of the random numbers sequentially stored in the storage part, when there is the predetermined tendency, determining that there is a possibility of the fraud and outputting a signal of indicating the possibility of the fraud. COPYRIGHT: (C)2005,JPO&NCIPI
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