Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Patent
1997-03-27
2000-07-11
Nguyen, Tan
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
701211, 340995, G06F16500
Patent
active
060886528
ABSTRACT:
In a navigation device, the map information read by a map information reproduction device is displayed on the display device, and an intersection which the vehicle approaches is enlarged. The enlarged display of an intersection is continued if the speed of the vehicle is not more than a predetermined value even when the disk is moving away from the intersection. A place at which the classification of road changes may be treated like an intersection. An exclusion key may be provided for designating, during simulation, an intersection to be excluded from the enlarged display. During simulation, the vehicle may be slowed, or stopped when it is near an intersection to permit full examination. A multi-disk reproduction device may be used to selectively reproduce map information from a first disk for storing map information of a first area, and a second disk for storing map information of a second area. If, in the state in which the first disk is selected, the vehicle moves to the second area, the disk storing map information of the second area is automatically selected.
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Nguyen Tan
Sanyo Electric Co,. Ltd.
Tottori Sanyo Electric Co. Ltd.
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