| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a golf club capable of specifying a ball hitting position on a hitting face of a club head and specifically carrying out effective countermeasures in a form and a hitting method. <P>SOLUTION: This golf club has a ball hitting sound acquiring means for acquiring a ball hitting sound inside the golf club; a frequency analyzing means for making a frequency analysis of the ball hitting sound acquired by the ball hitting sound acquiring means, to generate frequency analysis data; and a position information storage means for storing frequency analysis data acquired beforehand on at least one position of the hitting face of the head, in relation to the position information. The golf club further has a hitting position specifying means for specifying a ball hitting position on the hitting face of the head of the golf club based on the frequency analysis data acquired by the frequency analyzing means and the frequency analysis data stored in the position information storage means, and a display means for displaying the ball hitting position on the hitting face of the head specified by the hitting position specifying means. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
