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Dynamic magnetic stripe communications device with stepped magnetic material for magnetic cards and devices

  • US 9,010,644 B1
  • Filed: 11/04/2013
  • Issued: 04/21/2015
  • Est. Priority Date: 11/30/2012
  • Status: Active Grant
First Claim
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1. A card comprising:

  • a dynamic magnetic stripe communications device having multiple layers, said multiple layers including,an electromagnetic generator includinga coil, anda stepped structure within said coil,wherein said stepped structure includes a first layer and a second layer, anda length of said first layer of said stepped structure is longer than a length of said second layer of said stepped structure.

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