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Automated line calling system

  • US 20060287140A1
  • Filed: 06/16/2005
  • Published: 12/21/2006
  • Est. Priority Date: 06/16/2005
  • Status: Abandoned Application
First Claim
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1. A system for determining whether a ball bounce occurs on an inside of a boundary line or an outside of the boundary line, comprising:

  • a) a sensor or sensor sections comprising an output that provides either an analog signal or a multilevel digital signal related to a force present on the sensor or sensor section;

    b) a signal analysis unit comprising;

    b1) an input connected to the sensor signal output;

    b2) circuitry or a memory containing predetermined information related to a footstep characteristic curve and a ball bounce characteristic curve, the characteristic curve information comprising at least one of duration of activation information, amplitude information, peak information, frequency information, or curve shape information;

    b3) a classifier configured to classify a signal received from the sensor as at least one of;

         1) a ball bounce by utilizing the ball bounce characteristic curve information, and

         2) a footstep by utilizing the footstep characteristic curve information;

    b4) the classifier comprising an event output at which a signal is output, the event output signal comprising at least an OUT event indicating a ball bounce classified outside of the boundary line.

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