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Mobile device digital communication and authentication methods

  • US 9,143,936 B2
  • Filed: 03/06/2012
  • Issued: 09/22/2015
  • Est. Priority Date: 03/06/2012
  • Status: Active Grant
First Claim
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1. A method for secure authentication and data exchange between user devices, comprising:

  • communicating a proximity authentication code from a first user device to a second user device, the proximity authentication code comprising at least one of the following;

    a visual authentication code, an audio authentication code, or a vibrational authentication code, and the proximity authentication code further comprising an encryption key;

    comparing, responsive to the communicating, the proximity authentication code at the second user device against a library of valid codes;

    authenticating the proximity authentication code based on the comparing;

    communicating a data abstract between the first and second devices by one of;

    a visual communication, an audio communication, and a vibrational communication, corresponding to the authentication code;

    determining at least one communication channel for transferring data between the first user device and the second user device based on the data abstract, the determining comprising adjusting a communication setup of the communication channel, wherein the adjusting the communication setup comprises negotiating a protocol;

    transferring data via the adjusted communication setup of the communication channel; and

    acknowledging transfer of the data via a data acknowledgement code, the data acknowledgement code including at least one of the following;

    a visual acknowledgement code, an audio acknowledgement code, or a vibrational acknowledgement code corresponding to the authentication code.

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