| 摘要 |
PURPOSE: A golf swing practice club displaying a specific range and a number of times of swing is provided to have fun in a swing practice and be helpful in improving the ability of swing. CONSTITUTION: The golf swing practice club consisting of a handle, a shaft and a head comprises: a sensor part(101) sensing the strength of an impact from a cylinder of the head; an A/D converter(102) for converting a signal of the sensor(101) into a digital value; and a microprocessor part(103) for computing a range, a swing number of times, an average range value upon receipt of the signal of the A/D converter(102) and a direction and a display part(105) for displaying the result of computation from the microprocessor part(103).
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