| 摘要 |
A relatively low cost, battery powered golf swing training and practice device by which a golfer may ascertain various characteristics, such as club head speed and elapsed swing time, regarding the swing of his golf club. The present training and practice device is both compact and lightweight to advantageously permit portable operation at in and out-of-doors locations. The present device includes a unique photodetector and light trap system arranged to reliably sense the movement of a golfer's club head during a backswing and downswing. The operation of the present device is controlled by a microprocessor, so that information regarding a golfer's swing can be efficiently computed and accurately indicated at an associated printer and/or digital display.
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