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Display mode control method for an electronic device

  • US 7,385,881 B2
  • Filed: 03/15/2006
  • Issued: 06/10/2008
  • Est. Priority Date: 03/18/2005
  • Status: Active Grant
First Claim
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1. A display mode control method to be implemented in an electronic device having a display panel for showing navigational map information, comprising the steps of:

  • a) enabling the electronic device to determine the time of day; and

    b) enabling the electronic device to operate the display panel in a nighttime display mode when the time of day corresponds to nighttime, and in a daytime display mode when the time of day is otherwise;

    wherein the navigational map information is shown on the display panel in a light shade against a dark background when the display panel is operated in the nighttime display mode, and in a dark shade against a light background when the display panel is operated in the daytime display mode.

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