In-vehicle navigation apparatus

Details In-vehicle navigation apparatus In-vehicle navigation apparatus

2007-11-27

2007-11-27

Keith, Jack (Department: 3663)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

C701S117000, C701S208000, C701S209000, C701S210000, C701S214000, C340S995130, C340S995190, C340S995210, C340S995220

Reexamination Certificate

active

11376211

ABSTRACT:
When a first one-way traffic road becomes partially impassable because of roadworks, a second one-way traffic road temporarily replaces the first road and is used in a direction opposite to an original trafficable direction. This second road is registered as a replacing road based on traffic information from the VICS center. When the second road registered as the replacing road is present within a given area surrounding the current position of a relevant vehicle, map matching is executed without considering the original trafficable direction of the second road. This allows the second road to be designated as a travel road through the map matching even when the relevant vehicle travels in a direction opposite to the original trafficable direction of the second road.

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patent: A-H8-145706 (1996-06-01), None
patent: A-2004-257903 (2004-09-01), None

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