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Method and system for providing navigation systems with updated geographic data

  • US 6,362,779 B1
  • Filed: 09/12/2000
  • Issued: 03/26/2002
  • Est. Priority Date: 12/30/1997
  • Status: Expired due to Term
First Claim
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1. A method of providing updated geographic data content for a plurality of navigation systems, wherein said plurality of navigation systems include navigation systems having different hardware platforms, the method comprising the steps of:

  • providing separate copies of a geographic database containing said updated geographic data content to said plurality of navigation systems;

    providing replacement routines in an interpretive computer language with said copies of said geographic database; and

    in each of said plurality of navigation systems, operating a virtual CPU software program to execute at least one of said replacement routines to access said updated geographic data content in said geographic database.

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