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Racquet hit notification

  • US 9,597,554 B2
  • Filed: 08/07/2014
  • Issued: 03/21/2017
  • Est. Priority Date: 08/07/2013
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a racquet;

    a sensor carried by the racquet; and

    an indicator in communication with the sensor to output a notification based on (a) the number of hits by the racquet based on signals from the sensor; and

    (b) at least one of an elapsed time since a last stringing of the racquet and an input skill level of a person using the racquet.

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