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RF TAG READER FOR ACCURATE POSITION DETERMINATION

  • US 20100141454A1
  • Filed: 12/06/2008
  • Published: 06/10/2010
  • Est. Priority Date: 12/06/2008
  • Status: Active Grant
First Claim
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1. A system for accurate positioning using radio frequency (RF) tags, comprising:

  • at least two antennas in a phased array combination;

    an RF tag position determination unit coupled with the at least two antennas and comprising a main RF output and a position detection output, the RF tag position determination unit arranged to generate a position detection signal at the position detection output responsive to comparison of a signal received by the phased array combinations.

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