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Method and system to prevent fraudulent payment in credit/debit card transactions, and terminals therefor

  • US 6,913,194 B2
  • Filed: 07/07/2003
  • Issued: 07/05/2005
  • Est. Priority Date: 03/14/2001
  • Status: Expired due to Term
First Claim
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1. A portable communication terminal for making payments using a transaction terminal in a credit card member store, comprising:

  • a location detector which detects a current location of the portable communication terminal;

    a memory which stores the current location information;

    a receiver operable to receive from the transaction terminal card information containing information relating to an identity of a credit card user; and

    a transmitter which transmits the current location information to a host computer, wherein the credit card user is recognized as an authentic cardholder when the location of the portable communication terminal is within a predetermined range from the location of the transaction terminal.

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