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Mobile device with time-varying magnetic field

  • US 9,202,156 B2
  • Filed: 06/23/2015
  • Issued: 12/01/2015
  • Est. Priority Date: 02/22/2005
  • Status: Active Grant
First Claim
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1. A mobile device comprising:

  • circuitry to produce a time-varying magnetic field that mimics a swipe of a magnetic card;

    a memory to hold transaction data; and

    a processor coupled to the circuitry to cause the circuitry to produce a time-varying magnetic field that represents the transaction data;

    wherein the mobile device comprises a mobile phone.

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