| CPC A63B 24/0021 (2013.01) [A63B 63/00 (2013.01); A63B 2024/0043 (2013.01); A63B 2220/10 (2013.01); A63B 2220/40 (2013.01); A63B 2220/53 (2013.01)] | 13 Claims |

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1. An impact board and athletic performance feedback system, comprising:
a non-rebound substrate having a length and a height of from 100 cm to 500 cm and a total thickness of from 25 mm to 30 mm, the non-rebound substrate comprising a wood panel as a back surface and a rubber coating as a front surface, each of the wood panel and the rubber coating having a thickness of about half of the total thickness of the non-rebound substrate;
a first frame disposed around a peripheral edge of the non-rebound substrate;
an array of sensors mounted in the non-rebound substrate;
a digital sensor interface;
a control unit;
a handheld electronic device configured to transform signals received from the control unit to a readable chart; and
a wireless transmission unit electrically connected to the control unit and configured to send data based on the ball impact to the handheld electronic device;
wherein the first frame comprises a plurality of supports, wherein a support of the plurality of supports is disposed at each edge of the first frame;
the array of sensors is disposed in a center portion of the first frame;
the plurality of supports includes two vertical supports with a thickness of from 20 mm to 40 mm and two horizontal supports with a thickness of from 10 mm to 30 mm; and
the array of sensors are accelerometers, wherein the accelerometers are spaced at most 10 cm apart from each other in the center portion of the first frame and at least 50 cm away from each edge of the first frame;
the control unit comprises a processor and the processor is electrically connected to the digital sensor interface;
the processor is configured with instructions to calculate a force, an impact point, and a distance from a user to the non-rebound substrate based on the data received from the array of sensors;
the array of sensors comprises at least 9 accelerometers configured in rows in a rectangular array in the central portion of the first frame; and
a center sensor of the array of sensors is an aim point for the user, wherein the sensors in the array of sensors detect the force of a ball impact from the user, the impact point of the ball impact, and the distance of the ball impact with respect to the center sensor.
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