Navigation device

Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment

Reexamination Certificate

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Details

C701S200000, C701S207000, C701S209000, C073S17800T, C340S988000, C340S995210

Reexamination Certificate

active

06898521

ABSTRACT:
A navigation device is configured to provide a suitable route that appropriately guides a vehicle to a user outside the vehicle even when the user has moved. The navigation device detects a current vehicle position using a GPS signal receiving section that temporarily stores the vehicle position. The navigation device is configured to receive a signal containing position information from a portable telephone terminal. Then, the navigation device sets the stored position of the portable telephone terminal as the current destination, and calculates a recommended route to the destination. The navigation device communicates with the portable communication terminal to acquire updated position information. Then, the navigation device updates the destination based on the updated position information, and recalculates the recommended route from the current position to the updated destination.

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