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Varying the amount of time that a mobile device must be inactive before the mobile device re-locks access to a computerized resource

  • US 10,013,537 B1
  • Filed: 03/31/2016
  • Issued: 07/03/2018
  • Est. Priority Date: 03/31/2016
  • Status: Active Grant
First Claim
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1. A method of controlling access to a computerized resource of a mobile device, the method comprising:

  • sensing, by processing circuitry, a set of environmental factors from a particular environment of the mobile device when the mobile device unlocks the computerized resource in response to successful authentication of a user, wherein sensing the set of environmental factors includes detecting, via a microphone of the mobile device, whether the mobile device is in a vicinity of a familiar audio source;

    selecting, by the processing circuitry, an expiration time based on the set of environmental factors, at least in part by choosing a relatively longer particular predefined time as the selected expiration time in response to the set of environmental factors indicating that the particular environment is a trusted environment and choosing a relatively shorter particular predefined time as the selected expiration time in response to the set of environmental factors indicating that the particular environment is not a trusted environment, and wherein the set of environmental factors indicate that the particular environment is a trusted environment when the mobile device is in a vicinity of the familiar audio source; and

    configuring, by the processing circuitry, an inactivity timer to re-lock access to the computerized resource of the mobile device when the inactivity timer identifies a time period of mobile device inactivity that reaches the selected expiration time.

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