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Navigation device and method

  • US 20090177677A1
  • Filed: 01/07/2008
  • Published: 07/09/2009
  • Est. Priority Date: 01/07/2008
  • Status: Abandoned Application
First Claim
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1. A method of updating map data stored in one or more files on a navigation device or system, the method including the steps of:

  • Establishing a wireless communication with a wireless access point WAP of a wide, local, or wireless local area network having internet connectivity,Obtaining an Internet Protocol IP address from the WAP to enable said device or system to become a node on said network and to download content from the Internet,Identifying a current version of said map data stored locally on said device or system,Querying a remote, internet-connected device to establish whether mal data is available therefrom and a version thereof,Comparing said version with that of said remote map data, andDownloading remote map data from said remote internet-connected device after determining that said current version of local map information is less recent than said remote map data version.

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