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RFID system and method

  • US 8,994,599 B2
  • Filed: 12/03/2012
  • Issued: 03/31/2015
  • Est. Priority Date: 09/06/2007
  • Status: Active Grant
First Claim
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1. An RFID antenna assembly configured to be energized with a carrier signal, the RFID antenna assembly comprising:

  • an inductive component including a loop antenna assembly, wherein the circumference of the loop antenna assembly is no more than 25% of the wavelength of the carrier signal;

    at least one capacitive component coupled to the inductive component; and

    at least one resistive component coupled to the inductive component;

    wherein the inductive component is configured to be positioned above a first slot assembly to detect the presence of a first RFID tag assembly within the first slot assembly and not detect the presence of a second RFID tag assembly within a second slot assembly that is adjacent to the first slot assembly.

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