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Navigation device and map scroll processing method

  • US 7,970,541 B2
  • Filed: 05/19/2008
  • Issued: 06/28/2011
  • Est. Priority Date: 06/07/2007
  • Status: Expired due to Fees
First Claim
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1. A navigation device that obtains the current position based on information from a satellite, and guides a travel path from the current position to the destination on a map image, comprising:

  • display means for displaying the map image;

    touch sensor means arranged on the front surface of the display means;

    icon generation means for generating a smooth scroll operation icon which is available for continuous smooth scroll processing for the map image and displaying the smooth scroll operation icon on the map image; and

    scroll control means for executing the smooth scroll processing when the touch sensor means detects that the smooth scroll operation icon is touched to be operated and for executing a predetermined scroll processing when the touch sensor means detects that a region other than the smooth scroll operation icon is touched to be operated on the screen of the display means.

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