About 15 results
https://drivepatents.com/patents/1399287 · 27 May 2026
Examples are disclosed that relate to efficient computer-storage and computer-rendering of obstacle data in the computer-generated map view. In one example, one or more vector tiles collectively representing a geographic region are received. Each of the on...
https://drivepatents.com/patents/1366479 · 11 Jul 2024
A method includes storing, in computer memory, a tessellation comprising a plurality of tiles corresponding to a plurality of geographical regions. The plurality of tiles are stored with travel times in a plurality of transportation modalities across a plu...
https://drivepatents.com/patents/972147 · 23 Jul 2014
The invention relates to a method and arrangement for collecting and processing data related to road status of a network of roads. The method and arrangement comprises a process and means of collecting data from a plurality of vehicles and data from a stat...
https://drivepatents.com/patents/990936 · 8 May 2013
A technique of structuring a navigation database is provided, wherein the navigation database comprises at least route link data for a predetermined geographic area. A method implementation of the technique comprises the steps of organizing route link data...
https://drivepatents.com/patents/1003607 · 11 Apr 2012
A method of requesting map data by a wireless communications device entails steps of predicting a future area of interest for which map data may be required, downloading the map data for the future area of interest, and then caching the map data for the fu...
https://drivepatents.com/patents/1009866 · 24 Aug 2011
A navigation device includes: a storage unit 13 that stores map data divided into a plurality of files for a predetermined map range; an acquisition unit 10 that acquires map updating data for updating the map data; an extraction unit 10 that extracts at l...
https://drivepatents.com/patents/1075819 · 20 Jul 2005
In a communication type navigation system that downloads maps, the present invention provides a map data transmission method that can reduce time before guiding is started. A map provision server searches for a traveling route connecting a starting place c...
https://drivepatents.com/patents/1076544 · 29 Jun 2005
A data product that can be read into a computer or a map data processing apparatus contains map data that includes map-related information related to a map. The map data includes: a structure achieved by dividing the map into a plurality of mesh-like subdi...
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/1089248 · 3 Mar 2004
The display system divides up a picture with outlines into points specified for each pixel or raster element (22) in which a corner point occurs. The pixels are defined by lines (20) crossing at right-angles to each other. The corner points may be transmut...