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Method and apparatus for device unlocking

  • US 9,734,318 B2
  • Filed: 11/26/2014
  • Issued: 08/15/2017
  • Est. Priority Date: 12/05/2013
  • Status: Active Grant
First Claim
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1. A method comprising:

  • generating, by a first device, a first signal indicating a first pattern of movement of the first device;

    receiving, by the first device, a second signal indicating a second pattern of movement of a second device that is paired to the first device in accordance with a wireless communication protocol;

    delaying the second signal by a delay interval so that the first signal and the second signal are temporally aligned, wherein length of the delay interval is based on a distance between the first device and the second device and a signal intensity of the second signal;

    comparing the first pattern of movement of the first device to the second pattern of movement of the second device; and

    unlocking the first device based on the first pattern of movement of the first device matching the second pattern of movement of the second device.

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