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Payment cards and devices with displays, chips, RFIDS, magnetic emulators, magnetic decoders, and other components

  • US 7,784,687 B2
  • Filed: 12/19/2008
  • Issued: 08/31/2010
  • Est. Priority Date: 12/24/2007
  • Status: Expired due to Fees
First Claim
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1. A payment card comprising:

  • a magnetic emulator for communicating data in serial;

    a button located over said magnetic emulator;

    a bi-stable display; and

    a non bi-stable display.

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  • 1 Assignment
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