Intersection warning system
US6307484A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 30, 1998 |
| Grant date | Oct 23, 2001 |
| Priority date | — |
| Expiry date | Jul 30, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08G1/164
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An intersection warning system provided in a first vehicle, includes a receiving unit receiving information about a running state of a second vehicle near a roadside edge in a sideward or rearward area of the first vehicle, the information being transmitted from a roadside system watching a predetermined watched area through which vehicles approaching an intersection pass, a running state detecting unit detecting a running state of the first vehicle, an estimation unit estimating a relative position relationship between the first and second vehicles in the intersection based on the running state of the first vehicle detected by the running state detecting unit and the information about the running state of the second vehicle received by the receiving unit, and a warning unit issuing a warning to a driver of the first vehicle based on an estimation result obtained by the estimation unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.