| 摘要 |
PROBLEM TO BE SOLVED: To provide a pinball game machine which carries out the luminous performances in reaction to hitting with the game balls without the use of electric circuits for regulating the control processing and operation by arranging a role object protruding ahead of the game board. SOLUTION: The game board where the prize winning devices are erected so that the game balls shot to the upper part of the game board are moved dropping along the front of the game board to enter the prize winning devices in the playing operation. The role object which is installed protruding onto the game board is constituted of a piezoelectric bimorph element provided on its external surface and an LED capable of emitting light by the electromotive force from the piezoelectric bimorph element. To avoid damages, the LED is so installed at a part that keeps the game balls from hitting it or is covered to keep the game balls from directly contacting the LED. COPYRIGHT: (C)2006,JPO&NCIPI
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