Method of generating map update process data, map update...

Details Method of generating map update process data, map update... Method of generating map update process data, map update...

2006-02-07

2009-02-10

Zanelli, Michael J. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

C707S793000

Reexamination Certificate

active

07490006

ABSTRACT:
A method of generating map update process data used for updating old map data including a great number of files to new map data includes the steps of using an old map file to be updated and a new map file to generate differential data; calculating a relative size of the differential data; and using the new map file if the relative size is higher than a predetermined value and using the differential data if the relative size is lower than the predetermined value to form the map update process data.

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patent: 2002-296042 (2002-10-01), None
patent: WO 03/074972 (2003-09-01), None

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