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RFID based monitoring system and method

  • US 7,961,097 B2
  • Filed: 12/07/2006
  • Issued: 06/14/2011
  • Est. Priority Date: 12/07/2006
  • Status: Active Grant
First Claim
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1. A system for monitoring an item, comprising:

  • a marker tag allocated to an item, the marker tag being a Radio Frequency Identification (RFID) tag including;

    a tag module including tag information having a unique identification (ID) and a first antenna operable by a RFID reader; and

    a second antenna for inductively coupling to the first antenna and coupling to a master tag for accessing the marker tag, the master tag being operable in a Radio Frequency (RF) field of the RFID reader;

    a connector; and

    a wired connection system including;

    a first cable, the connector detachably coupling the marker tag to the first cable such that the marker tag is replaceable with another marker tag; and

    a coupler for coupling the first cable to the master tag, the second antenna operatively coupling to the master tag via the wired connection system such that the tag module is operated by the RFID reader via the master tag.

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