Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Patent
1997-04-29
1999-11-23
Zanelli, Michael J.
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
701201, 701210, G01C 2100, G08G 1137
Patent
active
059916893
ABSTRACT:
In a navigation apparatus for a vehicle, a route is determined in an ordinary-road-preferential mode or a toll-road-preferential mode, and route guidance is provided based on the thus-determined route. When the vehicle deviates from the determined route, redetermination is conducted so as to obtain a new route based on which guidance is provided. For example, when the vehicle has deviated from a route determined in the ordinary-road-preferential mode in order to enter a toll road, the user operates a toll-road-preference ON touch button so to change the determination mode to the toll-road preferential mode, so that route redetermination is carried out in a state in which priority is given to toll roads. In the navigation apparatus, optimum interchanges of a special road are automatically searched, and a route that preferentially uses the special road is calculated.
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Aito Satoru
Hiyokawa Toyoji
Maekawa Kazuteru
Suetsugu Masahiro
Yanagikubo Takeshi
Aisin Aw Co. Ltd.
Zanelli Michael J.
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