| 摘要 |
PROBLEM TO BE SOLVED: To improve the operability by making the projection position of the game button adjustable by the players themselves. SOLUTION: The image patterns to be projected by a projection part 20 (projection means) are projected changing the angle of projection to the left or right position relative to the players according to a control input from the reference position of a switch provided at an arbitrary position on the operation surface of the operating part. At this point, a system control part 29 (optical recognition adjustment means) controls an optical recognition system (optical recognition parts 26, 27 and 28) so that the image patterns obtained by CCD sensors 21 and 22 (optical detection means) are collated with the reference pattern obtained referring to an LUT 30 selected according to the control input by the switch thereby recognizing the game button operated by the players. COPYRIGHT: (C)2005,JPO&NCIPI
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