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Combined biometric reader/RFID circuit

  • US 6,672,512 B2
  • Filed: 07/20/2001
  • Issued: 01/06/2004
  • Est. Priority Date: 12/27/1999
  • Status: Expired due to Term
First Claim
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1. A biometric reader/RFID circuit for use in a free-standing reader device, and that provides an interrogation signal to an identification tag, receives a data signal from an identification tag, and that provides a digital signal to a processing unit, the circuit comprising:

  • a biometric reader circuit;

    an RFID circuit;

    wherein the processing unit is coupled to receive a data acquisition command, and, in response to the data acquisition command, to instruct at least one of the biometric reader circuit and the RFID circuit to provide the interrogation signal, to receive the data signal, and to transmit the data signal; and

    a data acquisition circuit which is adapted to receive the data signal from at least one of the biometric reader circuit and the RFID circuit, to process the data signal into an analog signal and then into the digital signal, and to transmit the digital signal to the processing unit.

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