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Map data update method and navigation apparatus

  • US 20070156759A1
  • Filed: 12/14/2006
  • Published: 07/05/2007
  • Est. Priority Date: 12/15/2005
  • Status: Active Grant
First Claim
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1. A map data update method of updating nationwide updated version map data using route-specific update data, and of updating the nationwide updated version map data to the next nationwide updated version map data using nationwide update data, comprising the steps of:

  • performing map data updating in a background of navigation control, and giving priority to update processing using route-specific update data over update processing using nationwide update data; and

    for map files updated using route-specific update files included in the route-specific update data, performing an update using the nationwide update files included in nationwide update data and then performing an update using the route-specific update files.

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