| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine which can detects directions from which the game balls hit obstacles such as nails. SOLUTION: A plurality of electrodes 42a to 42l are arrayed on the surface of a game board surrounding an electroconductive nail 22 being divided in terms of the directions from which the game balls hit the nail 22. When an electroconductive game ball A hits the nail 22, any electrode 42 gets a continuity to the nail 22 through the game ball A. This enables the detection of the direction from which the game ball A hit the nail 22 depending on to which of the electrodes 42 the nail 22 gets a continuity. COPYRIGHT: (C)2007,JPO&INPIT
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