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Method and device for automatic timing in mass sporting events

  • US 7,057,975 B2
  • Filed: 06/19/2003
  • Issued: 06/06/2006
  • Est. Priority Date: 06/20/2002
  • Status: Expired due to Fees
First Claim
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1. A method for automatic timing in a sporting event involving a plurality of participants comprising the steps of:

  • (a) providing each participant with a transponder, each transponder having an internal timer and an individual code;

    (b) activating the internal timer of the transponder of a respective participant when the participant reaches a selected position, the timer being activated by an electromagnetic field;

    (c) transmitting transponder data for the respective transponders sequentially to a reading device, the transponder data comprising the individual code and a timer activation time of the transponder, the transponder data being read by the reading device at a reading time; and

    (d) determining a finish time of the respective participants from a respective evaluation of the timer activation time and the reading time.

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