Patent 7988548 was granted and assigned to Aruze Gaming America on August, 2011 by the United States Patent and Trademark Office.
For a number of execution times of roulette game in a roulette game machine (1), if the number of land-in times at a prescribed numbered pocket (23) has become equal to or greater than a reference time number, then from among a plurality of control data sets such a control data set that is different from a current control data set is determined to be referred to.