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Security system

  • US 7,770,790 B2
  • Filed: 08/01/2007
  • Issued: 08/10/2010
  • Est. Priority Date: 07/10/2003
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • initiating, by a financial transaction card, a financial transaction by transmitting at least one signal to an authorized holder transceiver;

    allowing, by the financial transaction card, the financial transaction responsive to receiving a reply from the authorized holder transceiver; and

    disallowing, by the financial transaction card, the financial transaction by disabling a magnetic strip on the financial transaction card responsive to not receiving a reply from the authorized holder transceiver.

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