Non-wireless bidirectional communication between a mobile device and associated secure element using an audio port

  • US 8,792,939 B2
  • Filed: 12/06/2011
  • Issued: 07/29/2014
  • Est. Priority Date: 01/03/2011
  • Status: Active Grant
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First Claim
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1. A system, comprising a mobile communication device and a secure element physically coupled to the mobile communication device, wherein:

  • the mobile communication device comprises a first wireless transceiver, first processor, and first memory, first speaker, first microphone, first audio to digital converter, and first audio port;

    the secure element comprises a second, wireless transceiver, second processor, second memory, second speaker, second microphone, audio to digital converter, second digital to audio converter, and audio cable with a 3.5 mm plug that fits in the audio port of the mobile communication device;

    a first communication channel in which the secure element receives data via the second wireless transceiver from a POS or POE using a first protocol;

    a second communication channel in which the secure element transmits data non-wirelessly via the audio cable connected to the mobile device using a second channel and protocol different than the first channel and protocol;

    a third communication channel in which the mobile device transmits data via the first wireless transceiver to a management server using a third channel and third protocol different than the first and second channel and protocol.

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