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6640200 |
Sports implement testing methods and apparatus
Methods and apparatus for testing a striking-type sports implement such as a bat is disclosed. In terms of apparatus, a system according to the invention includes a bat-swinging module, a...
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6091355 |
Doppler radar speed measuring unit
A Doppler radar speed measuring module, that is self-contained and handheld, is fabricated on a multilayer PCB (printed circuit board) containing at least one antenna array and electronic...
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5988861 |
Sports implement testing methods and apparatus
Methods and apparatus for testing a striking-type sports implement such as a bat is disclosed. In terms of apparatus, a system according to the invention includes a bat-swinging module, a...
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5634855 |
Portable golf club swing speed indicator with downward angled collimated light sensors
A meter which detects, determines and displays the highest speed obtained in a golf club swing, being coin-operated, highly portable and battery powered. The meter includes a stabilizing base...
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5118102 |
Bat selector
An instrument combining physical and physiological measurements of a person's swing of a bat determines the optimum bat weight to provide maximum efficient ball speed after contact. Also a process...
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4979745 |
Electric apparatus for use when practicing a golf swing
In an apparatus used for practicing a golf swing, a transmitter-receiver is stationarily arranged on the ground, and a relay unit is provided on the golf club in or near to head. The...
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