Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate
2005-04-26
2005-04-26
Jeanglaude, Gertrude A. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
C701S026000, C701S209000, C701S210000, C340S990000
Reexamination Certificate
active
06885937
ABSTRACT:
An electronic map is stored as a collection of nodes and links. Roads in the map are assigned priorities for pathfinding purposes. A node's priority originally corresponds to the priority of the road associated with the node. Electronic maps can be made more useful by adding short cuts to the map. A short cut generator is disclosed that creates short cuts by building compound links and/or raising the priority of certain nodes. A compound link is a link that represents travel along multiple links of the electronic map.
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Fliesler & Meyer LLP
Jeanglaude Gertrude A.
Tele Atlas North America, Inc.
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