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RFID system

  • US 9,203,143 B2
  • Filed: 11/12/2012
  • Issued: 12/01/2015
  • 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; and

    at least one capacitive component coupled to the inductive component,wherein the at least one capacitive component includes a first capacitive component configured to couple a port on which the carrier signal is received and a ground,wherein the inductive component is configured to be positioned proximate 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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