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Combined HF and UHF RFID device

  • US 8,646,695 B2
  • Filed: 10/03/2011
  • Issued: 02/11/2014
  • Est. Priority Date: 10/01/2010
  • Status: Active Grant
First Claim
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1. A radio frequency identification device configured to be worn on a human appendage, comprising:

  • an antenna structure of a first type, wherein the antenna structure of the first type is multi-planar;

    an antenna structure of a second type;

    a first dielectric layer configured to electrically isolate the antenna structure of the first type from the antenna structure of the second type; and

    a reflective shield disposed relative to the antenna structures of the first and second types such that interference between the human appendage and the antenna structures of the first and second types is reduced during operation.

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