| 摘要 |
PROBLEM TO BE SOLVED: To accomplish the versatile performances along with a higher reliability in the recognition of the picture patterns by shortening the time of starting the spin drums. SOLUTION: The distance from the respective steps (a, b, c, etc.) which are formed on the internal surface of a reel 61 and provided at the position corresponding to each of the picture patterns is measured with a distance sensor 64 to acquire the positional information on the symbol per symbol unit. A detection member 63 with a step is made up of a member with the radius of rotation smaller as compared with the reel 61 to restrict the effect due to shaking in the rotation. Moreover, the individual picture patterns are recognized by measuring the distance from the respective steps. COPYRIGHT: (C)2005,JPO&NCIPI
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