| 摘要 |
PROBLEM TO BE SOLVED: To have a practice in putting on arbitrary green. SOLUTION: The putter practice device 10 comprises a control device 12, a green display device 14 and a hitting power/direction sensor 18 connected to the control device 12. The hitting power/direction sensor 18 detects the direction and force of rolling of a putted ball and outputs the detected direction and force to the control device 12. The control device 12 computes the locus of the ball based on the input direction and force of the ball, and the green display device 14 displays the locus of the ball rolling on the green. The green can be selected by a putting practice person via a user interface device 26, and the state of the selected green is displayed on a state display device 16 by the control device 12. COPYRIGHT: (C)2007,JPO&INPIT
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