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Mobile electronic device having a geographical position dependent light and method and system for achieving the same

  • US 7,627,330 B2
  • Filed: 01/31/2005
  • Issued: 12/01/2009
  • Est. Priority Date: 01/31/2005
  • Status: Active Grant
First Claim
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1. A method for controlling backlighting of a display on a mobile electronic device, the method comprising steps of:

  • determining a current global position of the device;

    enabling an outdoor mode of the device;

    predicting ambient light at the current global position of the device based on a time of day and a time of year;

    obtaining current weather conditions for the current global position by wirelessly accessing weather condition data stored in memory residing on a server connected to the mobile device via a wireless network;

    calculating an ambient light value for the current global position of the device based on the predicted ambient light and the current weather conditions at the current global position of the device; and

    dynamically adjusting the backlighting of the display in response to changes in the ambient light value.

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