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System for biometric security using a fob

  • US 7,988,038 B2
  • Filed: 09/06/2007
  • Issued: 08/02/2011
  • Est. Priority Date: 07/10/2001
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • determining, at a transaction processing system, that a radio frequency (RF) transaction value exceeds a preloaded value associated with an RF device, wherein the RF device is first authenticated prior to the transaction processing system receiving a transaction request with the RF transaction value;

    requesting, by the transaction processing system, a secondary authentication via biometric verification in response to receiving the transaction request and in response to the transaction request being outside of a usage restriction; and

    supplementing, at the transaction processing system, the preloaded value in accordance with a reload protocol, in response to the RF transaction value exceeding the preloaded value.

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