Communication navigation system and server apparatus and...

Details Communication navigation system and server apparatus and... Communication navigation system and server apparatus and...

2005-10-11

2005-10-11

Black, Thomas G. (Department: 3663)

Data processing: vehicles, navigation, and relative location

Navigation

C342S357490, C342S357490, C340S005610, C455S095000

Reexamination Certificate

active

06954694

ABSTRACT:
A server apparatus divides map data into a plurality of block data to add identification information to each block data, and sends each block data to a terminal apparatus. The terminal apparatus identifies data for each block data sent from the server apparatus and, when uncompleted block data is detected, sends retransmission request information, which requests only the uncompleted block data to be sent to the terminal apparatus, to the server apparatus.

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