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Extensible navigation systems

  • US 7,043,357 B1
  • Filed: 09/02/2005
  • Issued: 05/09/2006
  • Est. Priority Date: 06/21/2002
  • Status: Expired due to Fees
First Claim
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1. A navigation system comprising:

  • a computing device that has a programming memory loaded with a component-oriented application providing navigation services, the computing device including;

    a logical data model configured to provide abstract interfaces in a process to convert a format and data model of a provider to an appropriate format and data model suitable for the computing device,wherein the process occurs on demand, only when needed, or the conversion occurs in accordance with the format and data model of the provider, and at download time or at an initial processing time.

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