| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine constituted so as to appropriately emit light from respective light emitting elements in response to impressed driving pulse signals regardless of the individual difference of the plurality of light emitting elements to be used. SOLUTION: A slot machine 100 is constituted so as to execute prescribed performance by drive-controlling LEDs (light emitting diodes) D1-D5 of mutually equal rating, and is provided with a driving means 112 for impressing the driving pulse signals respectively to the LEDs, D1-D5 while changing the duty ratio, detection means 113 and 114 for detecting the dispersion of the voltage value of a conducting path due to the individual difference of the LEDs, D1-D5, and a drive control means 115 for feedback-controlling the driving means 112 so as to fix the voltage value when driving the respective LEDs D1-D5 on the basis of the information on the dispersion detected by the detection means 113 and 114. COPYRIGHT: (C)2005,JPO&NCIPI
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