About 30 results
https://drivepatents.com/patents/1081353 · 22 Dec 2004
A method is disclosed for representing road intersections as data. A database includes intersection object data entities that represent physical road intersections. Each intersection object data entity includes a maneuver list that identifies each permissi...
https://drivepatents.com/patents/1082657 · 3 Nov 2004
A method and system are disclosed for the merging of multiple map databases. These multiple map databases can be stored on separate media. Each map database is comprised of whole parcels and conforms to a baseline parcelization pattern. At run time in a na...
https://drivepatents.com/patents/1086365 · 16 Jun 2004
A method of organizing map data on a physical storage medium is disclosed. The map data represents geographic features located in a geographic region. The method identifies at least one dense area in the geographic region. The map data representing the geo...
https://drivepatents.com/patents/1090023 · 28 Jan 2004
A method and system for updating geographic databases used in systems that provide navigation-related features are disclosed. An original version of a geographic database is formed in which the data are organized into parcels. An updated version of the geo...
https://drivepatents.com/patents/1090639 · 2 Jan 2004
A method of facilitating delivery of advertising to users of mobile computing platforms is disclosed. A geographic database contains data entities that represent geographic features, such as roads, located in a geographic region. Advertising zones are defi...
https://drivepatents.com/patents/1090634 · 2 Jan 2004
A method of collecting market research information is disclosed. A geographic database contains data entities that represent geographic features, such as roads, located in a geographic region. Advertising zones are defined within the geographic region. Use...
https://drivepatents.com/patents/1091408 · 3 Dec 2003
The bearing of a road segment indicates the direction that the segment follows from an end thereof. A primary bearing of a road segment is determined with respect to a significant shape point located along the road segment. The significant shape point is n...
https://drivepatents.com/patents/1091718 · 26 Nov 2003
An improved method and system for storage of geographic data on physical storage media. The geographic data are stored in a manner that facilitates and enhances use and access of the data by various navigation application functions in navigation systems th...
https://drivepatents.com/patents/1096922 · 9 Apr 2003
A navigation system includes a navigation-related information server and one or more customer-interface servers. Each customer-interface server receives requests for navigation-related information from end users who have end user computing platforms. The e...
https://drivepatents.com/patents/1098711 · 29 Jan 2003
A method for calculating a distance between a first point and a second point using linear interpolation is provided. The first point and the second point are located between a first latitude and a second latitude. An interpolated prime vertical radius of c...