Electronic navigation system and method

Details Electronic navigation system and method Electronic navigation system and method

2011-04-12

2011-04-12

Swarthout, Brent (Department: 2612)

Communications: electrical

Vehicle position indication

Map display

C340S995120, C340S995190, C701S209000, C701S211000

Reexamination Certificate

active

07924173

ABSTRACT:
The invention provides a system for providing geographic information. The system includes a mobile unit having a first geographic database and a base unit having a second geographic database that is more up-to-date than the first geographic database. The base unit receives a request from a mobile unit for updated geographic data. The base unit identifies a portion of the second geographic database that corresponds to the request and provides a response to the mobile unit comprising the identified portion of the second geographic database.

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