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Route Guidance System

  • US 20070276596A1
  • Filed: 10/25/2004
  • Published: 11/29/2007
  • Est. Priority Date: 10/24/2003
  • Status: Abandoned Application
First Claim
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1. A route guidance system comprising an in-vehicle device and a central route advisory system in which the in-vehicle device comprises an audio emitter and a visual display unit adapted to provide audio and visual instructions to a user to perform manoeuvres required to complete an optimal route, wherein the optimal route is transmitted by the central route advisory system to the in-vehicle device in response to a route request from the user to a human operator in the central route advisory system to a specified destination.

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