| 摘要 |
PROBLEM TO BE SOLVED: To adjust the appearance probability of a specified symbol without exchanging a symbol sheet on which picture pattern symbols are blank symbols are arranged. SOLUTION: In two blank symbols 32, three stop positions A3 , A4 and A5 and stop positions A11 , A12 and A13 are respectively set in the circumferential direction of reel. Although 10 symbols are used for one reel, the number of those stop positions can be increased to 14 positions. These stop positions A3 , A4 and A5 and stop positions A11 , A12 and A13 are decided by the number of driving pulses S3 , S4 and S5 and the number of driving pulses S11 , S12 and S13 to be supplied to a stepping motor for driving the reel. |
