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Real-time location and presence using a push-location client and server

  • US 9,980,231 B2
  • Filed: 02/11/2015
  • Issued: 05/22/2018
  • Est. Priority Date: 08/14/2007
  • Status: Active Grant
First Claim
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1. A computer-implemented method, comprising:

  • determining, by a mobile device, a current location of the mobile device from a mobile positioning system associated with the mobile device;

    determining, by the mobile device, whether the mobile device has changed location based on motion or event triggers from a motion detection system, wherein the motion detection system provides motion or event triggers when a position of the mobile device has changed;

    determining, by the mobile device, whether the location of the mobile device has changed and the mobile device is stationary based on data from a motion detection system of the mobile device, wherein the determination of whether the location of the mobile device has changed and whether the mobile device is stationary do not occur at the same time;

    when the mobile device is determined not to have changed location, putting the mobile positioning system into a power-saving mode; and

    when the mobile device is determined to have changed location;

    activating, by the mobile device, the mobile positioning system, anddetermining, by the mobile device, the location of the mobile device from the mobile positioning system to maintain an accurate location of the mobile device.

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