Process for updating map data and navigation system

Details Process for updating map data and navigation system Process for updating map data and navigation system

2006-12-05

2006-12-05

Camby, Richard M. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

C701S209000, C701S212000, C701S213000, C342S357490

Reexamination Certificate

active

07146274

ABSTRACT:
The invention concerns a process for updating map data of a navigation system in a vehicle, wherein the navigation system includes a digital map of a road and path network as well as a digital supplemental map, wherein in the digital supplemental map data supplemental to the road and path network are stored. The process includes the steps:a) producing differential data for an updated digital map, using the digital map,b) replacing the digital map in the vehicle with the updated digital map,c) updating the digital supplemental map in the vehicle using the differential data.

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