Route guidance for vehicles
US6917876B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 6, 2002 |
| Grant date | Jul 12, 2005 |
| Priority date | — |
| Expiry date | May 6, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/096872
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A route guidance system for vehicles comprises central computing apparatus (6), transmitting apparatus (1) by way of which the central computing apparatus (6) is informed of the positions of respective vehicles on a road network and by way of which the vehicles are supplied with route guidance data calculated by the central computing apparatus as to the best routes for the respective vehicles to take to respective desired destinations, the transmitting apparatus (1) including transmitting devices (4) for carrying by the respective vehicles and by way of which the central computing apparatus (6) is informed as to the desired destinations, computing apparatus (8) serving to inform the central computing apparatus (6) as to traffic congestion on the network, and speech synthesisers (4) for carrying by the respective vehicles and arranged to speak instructions to the drivers of respective vehicles as to the routes to be taken to their respective desired destinations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.