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Dynamic credit card with magnetic stripe and embedded encoder and methods for using the same to provide a copy-proof credit card

  • US 7,793,851 B2
  • Filed: 05/09/2006
  • Issued: 09/14/2010
  • Est. Priority Date: 05/09/2005
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a payment card having a display for displaying a first number coded from a secure number, wherein said first coded number is displayed on said display during a first period of time and a second number is coded from said secure number and displayed on said display during a second period of time; and

    a remote server, wherein said remote server validates said first coded number, without receiving timing information from the card to decode said first coded number, as part of validating a payment card transaction.

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