About 30 results
https://drivepatents.com/patents/1099805 · 11 Dec 2002
A navigation system includes a driving profile program. The driving profile program collects information about an end user's driving activity. The information relates to trips made by the end user. The information includes departure times, intermediate sto...
https://drivepatents.com/patents/1100427 · 13 Nov 2002
A navigation method and system are disclosed whereby users of the systems are provided with backup driving instructions. A wireless communications system allows end users' computing devices to receive dynamic route guidance from a remotely located navigati...
https://drivepatents.com/patents/1100885 · 23 Oct 2002
A system and method for providing geographic data to end users' computing platforms. A server maintains downloadable geographic data that are organized into pre-computed parcels that correspond to pre-determined sub-areas into which the entire geographic r...
https://drivepatents.com/patents/1100867 · 23 Oct 2002
Wireless coverage data are associated with a geographic database that contains data that represent a road network in a geographic region. The wireless coverage data indicate areas within the geographic region in which navigation-related services or data fr...
https://drivepatents.com/patents/1102388 · 21 Aug 2002
A navigation system includes an automatic speech recognition program that matches spoken words that describe geographic features, such as places, street names and points of interest, to entries in a word list. The word list contains a limited number of ent...
https://drivepatents.com/patents/1102798 · 31 Jul 2002
The degree to which a linearly extending feature, such as a road, curves is indicated using a bowing coefficient. The bowing coefficient at a given location along a linearly extending feature is determined by comparing the distance along the feature betwee...
https://drivepatents.com/patents/1104765 · 2 May 2002
A method for representing a route along a road network in a geographic region is disclosed. A database includes data representations of intersections of roads in the geographic region. Associated with the data representation for each intersection of roads ...
https://drivepatents.com/patents/1105893 · 20 Mar 2002
A navigation system with decryption functions. The navigation system may receive from a portable data storage medium an encrypted authentication key, an encrypted first portion of a geographic database, and an unencrypted second portion of the geographic d...
https://drivepatents.com/patents/1106909 · 30 Jan 2002
A method and system for organizing and storing map data that facilitates use of the map data by navigation application programs such as those in navigation systems. The map data represent geographic features located in a region. The map data are organized ...
https://drivepatents.com/patents/1108204 · 5 Dec 2001
The invention provides a method and system for providing route guidance and other information from a base unit to a remote unit in response to a request from the remote unit. A query is formatted at the remote unit, the query including the request, and is ...