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Navigation system with acoustic route information

  • US 7,463,975 B2
  • Filed: 02/24/2003
  • Issued: 12/09/2008
  • Est. Priority Date: 02/24/2003
  • Status: Active Grant
First Claim
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1. A navigation system having memory storing instructions in the form of a plurality of modules, the instructions executable on a processor, the modules comprising:

  • a route calculation module configured to calculate a route to a predetermined destination;

    a route overview module configured to create a route overview list as a function of the route, the route overview list being a summary or survey of the entire route; and

    an acoustic message module configured to generate at least one acoustic route overview message based on the route overview list, the acoustic route overview message being an audible summary of the route to the predetermined destination;

    where the acoustic message module is further configured to shorten the route overview list based on at least one predetermined weighting factor to fit within a predetermined amount of time; and

    where the acoustic route overview message is limited to the predetermined amount of time.

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