Data processing: vehicles – navigation – and relative location – Navigation – Employing position determining equipment
Reexamination Certificate
2005-09-12
2008-08-26
Tran, Khoi H. (Department: 3664)
Data processing: vehicles, navigation, and relative location
Navigation
Employing position determining equipment
C701S201000, C701S212000, C701S224000, C180S168000, C455S456100
Reexamination Certificate
active
07418341
ABSTRACT:
The present invention includes a system and method for selecting a unique geographic feature, including a mobile device that uses position and orientation sensors to determine a user position and a user orientation. The mobile device is adapted for wireless communication with a database that houses or has access to data concerning geographic features, as well as processing and computing means for calculating specific geographic relations discussed in further detail below. The system of the present invention further includes means for selecting among those features that are topologically related to the polygon. These include means for defining the geometry of the polygon, means for filtering those features that should not be within the geometry of the polygon, and means for ranking those features within the polygon. The method of the present invention is operable in conjunction with the system through the system hardware and software.
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National Center for Geographic Information and Analysis and Department of Surveying Engineering, Department of Computer Science, University of Maine, Orono, Maine.
Frank Christopher
Martin Daniel P.
Wuersch Markus
Intelligent Spatial Technologies
Peche Jorge O
Tran Khoi H.
Wilmer Cutler Pickering Hale and Dorr LLP
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