Patent ID: 8121781
Filing Date: 2012-02-21
Classification: G01C,G08G,G10L

Abstract:
1. A vehicle navigation method comprising: initiating a trip request, including trip request information; determining vehicle coordinates; sending vehicle coordinates and the entered trip request information to a server over a network; generating a trip plan according to navigation information stored in a memory associated with the server, the vehicle coordinates, and the trip request information, wherein the generated trip plan includes a table of locations in a text format; sending the generated trip plan table to the vehicle over the network; after sending the generated trip plan table, converting the locations in the text format to navigation prompts in an audio format; comparing present vehicle coordinates to the trip plan table; and if, according to the comparison, the vehicle coordinates are within a threshold value from a location in the table, presenting the navigation prompt associated with the location in the table that is within the threshold value of the vehicle's location.