| 摘要 |
A putt trainer system includes a plurality of ball sensors, each having a lever which pivots at impact with a putted golf ball between a rest position, wherein it blocks a light beam from a light source, and a deflected position. The light beam passes through a recess of predetermined length made in the lever to be detected by a light sensor generating a detection signal of predetermined duration that is compared with a preset value corresponding to a maximum acceptable speed. If the detection signal is at most equal to the preset value, it is further evaluated to determine whether this signal represents an off-centered, partially centered, or centered putt, each of which is allocated a respective score.
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