| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of enhancing the presentation effect with illumination. SOLUTION: An illumination display part 40 comprises a plurality of pulse-wave-modulation (PWM)-controllable light emitting diodes (LED), which are mounted on prescribed LED boards 41b, 42c, ... 47b. The plurality of LEDs are divided into a plurality of groups. A CPU of a presentation control board 80 controls the lighting display of the plurality of LEDs by group via an illumination display subordinate control part 90, and therefore, the CPU of the presentation control board 80 can easily execute the presentation control according to the difference of the quality, position, etc. of the plurality of LEDs. Furthermore, the CPU of the presentation control board 80 can light the LEDs at a prescribed grade of luminance selected from a plurality of grades of the luminance gradation by PWM-controlling the LEDs. COPYRIGHT: (C)2007,JPO&INPIT
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