| 摘要 |
PROBLEM TO BE SOLVED: To eliminate the need of wiring from a case body side to a door side at the time of arranging the light emitting part/light receiving part of a sensor for detecting the operation of a player separately on the door side and the case body side. SOLUTION: In a game machine comprising a case body, a door provided on the front surface of the case body and an operation part including a stop button and a start button and provided on the door, the sensor is constituted of a piezoelectric element 21 arranged so that a pressure is applied by the button 20 of the operation part, a light emitting part LED for emitting light by receiving a current from the piezoelectric element and a light receiving part PD for receiving the light of the light emitting part. The piezoelectric element 21 and the light emitting part LED are provided on the operation part 202 on the door side, and the light receiving part PD is provided on the case body side 206. COPYRIGHT: (C)2006,JPO&NCIPI
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