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Secondary card reader

  • US 8,072,314 B1
  • Filed: 07/18/2008
  • Issued: 12/06/2011
  • Est. Priority Date: 01/20/2004
  • Status: Active Grant
First Claim
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1. A secondary reader of a Radio Frequency Identification (RFID) tag, the secondary reader comprising:

  • a secondary receiver including an antenna and a receiver circuit adapted to receive an RFID signal from the RFID tag, the RFID signal being in response to a primary reader signal from a primary reader, the receiver circuit adapted to receive information regarding an attempted reading of the RFID tag by the primary reader;

    an indicator coupled to the secondary receiver and adapted to indicate receipt of the RFID signal by the secondary receiver; and

    control logic coupled to the secondary receiver and adapted to indicate receipt of the RFID signal by the secondary receiver;

    wherein the secondary reader is adapted to communicate, via a communication link, alert signals to a plurality of uncoupled devices, the alert signals including information regarding the primary reader.

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