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Authentication and authorization in a wearable ensemble

  • US 10,045,214 B2
  • Filed: 02/20/2017
  • Issued: 08/07/2018
  • Est. Priority Date: 12/12/2014
  • Status: Active Grant
First Claim
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1. A first wireless computing device, comprising:

  • interface circuitry to access a second wireless computing device from the first wireless computing device;

    storage device to store instructions; and

    processing circuitry configured to execute the stored instructions to determine a value corresponding to a distance from the first computing device to the second computing device, and authenticate the second computing device when the distance is within a threshold distance,wherein to determine the value corresponding to the distance from the first computing device to the second wireless computing device, the processing circuitry is to;

    transmit, at a transmit time, first data from the first wireless computing device to the second wireless computing device;

    receive, at a receipt time, second data from the second wireless computing device at the first wireless computing device;

    measure a round-trip time based on the transmit time of the first data and the receipt time of the second data; and

    calculate the value corresponding to the distance from the first wireless computing device to the second wireless computing device based on the round-trip time.

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