| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pachinko game machine with a configuration wherein a special pattern generation probability is changed in response to the number of reservation balls which are newly reserved during a pattern change whenever a pattern is changed. <P>SOLUTION: The pachinko game machine includes: a start prize-winning detecting device 17c for detecting game balls which win a prize in a start prize- winning port; a reservation ball number storage means 723 for storing the number of the game balls which are not used for the pattern change yet among the detected game balls by the detecting device 17C; a count means 724 for counting the number of the game balls stored in the storage means for a prescribed period; a storage number reading means 725 for reading the number to be counted; a probability selecting means 726 for selecting the special pattern generation probability corresponding to the read number; and a probability setting means 727 for setting the selected probability as the special pattern generation probability in response to the number of the game balls counted by the count means 724. <P>COPYRIGHT: (C)2003,JPO |
