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NAVIGATION DEVICE AND ITS NAVIGATION METHOD FOR DISPLAYING NAVIGATION INFORMATION ACCORDING TO TRAVELING DIRECTION

  • US 20080091349A1
  • Filed: 10/10/2007
  • Published: 04/17/2008
  • Est. Priority Date: 10/13/2006
  • Status: Active Grant
First Claim
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1. A navigation method applied to a navigation device for displaying navigation information according to a traveling direction of the navigation device, comprising the following steps:

  • receiving at least one positioning signal from a positioning system, and retrieving a current position of the navigation device according to the positioning signal, for determining a direction parameter according the traveling direction of the navigation device;

    determining a destination on a navigation map and generating a navigation route for navigating from the current position to the destination;

    initializing the current position and the navigation map to generate a first displaying parameter of the current position and a second displaying parameter of the navigation map;

    dynamically adjusting the first displaying parameter of the current position according to the direction parameter;

    dynamically adjusting the second displaying parameter of the navigation map according to the first displaying parameter; and

    displaying the current position according to the first displaying parameter, and fetching a corresponding displayed section of the navigation map according to the second displaying parameter and displaying the corresponding displayed section of navigation map in a navigation information frame.

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