Navigation system

Details Navigation system Navigation system

2011-03-22

2011-03-22

Nguyen, Kim T (Department: 3661)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

Reexamination Certificate

active

07912635

ABSTRACT:
The present invention aims to provide a technique that can download traffic information in a more efficient manner, in a navigation system including a traffic information distribution server and a terminal unit. The information distribution server narrows down possible traffic information to be used for processing at the terminal unit before downloading the information to the unit. For example, the traffic information distribution server may include a traffic information obtaining unit for obtaining traffic information pertaining to a link configuring a route or the periphery of the link (e.g., mesh area including the link), and to a predicted running duration of the link; and a sending unit for downloading the obtained traffic information to the terminal unit. The server or the terminal unit may narrow down the object for download.

REFERENCES:
patent: 2004/0249568 (2004-12-01), Endo et al.
patent: 2000-076580 (2000-03-01), None

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