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Biometric safeguard method with a fob

  • US 7,154,375 B2
  • Filed: 03/26/2004
  • Issued: 12/26/2006
  • Est. Priority Date: 07/10/2001
  • Status: Expired due to Fees
First Claim
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1. A method for facilitating biometric security in a transponder-reader transaction system, said method comprising:

  • determining whether a user requested transaction exceeds a preloaded value defined by a preloaded value data file associated with a transponder;

    determining whether said transaction exceeds a combination of said preloaded value and a reload value defined by a reload protocol data file associated with said transponder, wherein said preloaded value data file and said reload protocol data file define predetermined values for use in satisfying a user transaction request;

    notifying a user to proffer a biometric sample to authorize use of said combination of said preloaded value and said reload value to complete said transaction;

    detecting a proffered biometric sample at a sensor communicating with said system;

    verifying said proffered biometric sample; and

    authorizing said transaction to proceed by applying said preloaded value from a first funding source associated with said transponder and applying a portion of said reload value from one of said first funding source and a second funding source according to said reload protocol data file.

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