Method and apparatus for tracking vehicle location
US5594650A · kind A · utility
141Cited by
61References
53Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 9, 1995 |
| Grant date | Jan 14, 1997 |
| Priority date | — |
| Expiry date | May 9, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/20
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An method and apparatus for simultaneously displaying a raster map and vectorized street information corresponding to a vehicle position is provided. The system extracts information from a plurality of databases, including a mobile position database, a raster database and a vector database. The database information is interrelated by common latitude and longitude information. A graphical user interface displays the information in a format easily understood a dispatcher.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.