Road status data providing system
US7047130B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 28, 2002 |
| Grant date | May 16, 2006 |
| Priority date | — |
| Expiry date | Nov 15, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/096844
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A road status data providing system includes a server for transmitting/receiving data via a communication line and a plurality of vehicle terminals. The server includes a transmitting/receiving unit for transmitting/receiving data to and from the plurality of vehicle terminals, a vehicle trend management database for managing vehicle trends of the plurality of vehicle terminals, and a totaling unit for totaling status data indicative of a status of vehicles at a prescribed point on the basis of the vehicle trend management database. Each of the vehicle terminals includes a transmitting/receiving unit for transmitting/receiving data to and from the server, a present position determining unit for determining the present position of the vehicle, and a creating unit for creating status data requesting information for acquiring the status data at the prescribed point.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.