Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate
2008-07-29
2008-07-29
Zanelli, Michael J. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
C340S995120, C340S995210
Reexamination Certificate
active
07406381
ABSTRACT:
A navigation system, a vehicle navigation apparatus therein, and a method for obtaining navigation information using the same are provided which can obtain navigation information quickly when a vehicle goes off-route by obtaining the navigation information required for route guidance of the vehicle through communications, thereby achieving reduction in communication time and cost. In a vehicle-mounted terminal connected in communication with a server for executing route guidance to provide a guidance route from the present position of the vehicle to a destination, when the vehicle reaches a point located at a predetermined distance before a fork representing the next turn on the guidance route, the server is accessed to set a communication means in a communication connection stand-by state. If the vehicle deviates from the guidance route, information needed for the vehicle to return to the guidance route is requested from the server. After the vehicle passes through the fork along the guidance route, the communication connection stand-by state is released.
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patent: 2005/0043884 (2005-02-01), Atarashi
Alpine Electronics Inc.
Brinks Hofer Gilson & Lione
Zanelli Michael J.
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