Navigation system for vehicles

Details Navigation system for vehicles Navigation system for vehicles

1996-07-10

1999-06-15

Nguyen, Tan Q.

Data processing: vehicles, navigation, and relative location

Navigation

701201, 701210, 701211, 340990, 340995, 342454, G06F16500, G08G 1123

Patent

active

059117737

ABSTRACT:
The vehicle navigation system suggests route to a destination and repeats searching for a new optimal route in response to changes in traffic conditions near the present position of the vehicle. The system includes a present position calculator 4A for calculating the present position of the vehicle, an information storage unit 3 for storing road data 3B for searching, a traffic information receiver 4F for acquiring traffic information 5, a route searcher 4B for searching for the optimal route from the present position to the destination based on a navigation program 3A, the road data, and the acquired traffic information, and an area setter 4C for setting a given range near the present position of the vehicle, whereby the route searcher selects and acquires traffic information corresponding to the road data within the set area, and searches for the optimal route by first changing road data based on the acquired traffic information.

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patent: 5703780 (1997-12-01), Takanabe et al.
patent: 5712632 (1998-01-01), Nishimura et al.

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