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Sensor based tennis serve training apparatus

  • US 8,262,517 B2
  • Filed: 10/22/2010
  • Issued: 09/11/2012
  • Est. Priority Date: 06/27/2007
  • Status: Active Grant
First Claim
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1. A sensor based tennis serve training apparatus, comprising:

  • A ball tosser configurable to actively release a ball upon electronic impulse;

    A detector detecting relative rising movement of a tossing arm in electronic communication with said ball tosser providing electronic impulse to trigger ball tosser activation;

    An optical marker marking a moving ball with a laser at a user selected height of contact; and

    An optical marker providing visual feedback on the ball if the ball is struck below the user selected height of contact.

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