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Identifying power state changes

  • US 9,684,355 B2
  • Filed: 03/12/2014
  • Issued: 06/20/2017
  • Est. Priority Date: 03/12/2014
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • requesting timestamps at predetermined intervals while in an active state and upon returning from a sleep state to an active state, while not requesting timestamps during the sleep state;

    receiving a first timestamp and a second time stamp in response to timestamp requests;

    capturing event information for the first timestamp or second timestamp or any combination thereof;

    identifying an application running in a foreground at the second timestamp, the identified application running in the foreground further identified as a triggering application;

    determining if a difference between a first time stamp and a second time stamp received exceeds the predetermined interval; and

    , if so,identifying mobile computing device entry into a sleep state during a time period indicated by the determined timestamp difference.

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