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Navigation system with voice controlled presentation of secondary information

  • US 7,472,020 B2
  • Filed: 08/04/2005
  • Issued: 12/30/2008
  • Est. Priority Date: 08/04/2004
  • Status: Expired due to Fees
First Claim
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1. A navigation system for a vehicle comprising:

  • an interface device for allowing a user to enter endpoint destination information during a route planning mode of operation, where the interface device further provides route guidance information to a user while in a route guidance mode of operation in which the navigation system provides instructions that direct the user along a calculated route to the endpoint destination from a current location of the vehicle; and

    a voice control system that responds to vocal commands issued by the user during the route guidance mode to direct the navigation system to provide the user with one or more classes of secondary information through the interface device, where the voice control system further responds to vocal commands issued by the user during the route guidance mode to select secondary information in a selected class of secondary information for provision through the interface device.

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