Intersection warning system
US5939976A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 30, 1998 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Jul 30, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q9/008
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An intersection warning system provided in a vehicle includes a receiving unit that receives watching information, about states of bodies in a watching area including an intersection, from a road watching apparatus, a vehicle position detecting unit that detects a position of the vehicle, a dead angle area calculation unit that calculates a dead area for the vehicle based on the position detected by the vehicle position detecting unit and the watching information received by the receiving unit, a first determination unit that determines whether there is another vehicle in the dead angle area calculated by the dead angle area calculation unit, a running state detecting unit that detects a running state of the vehicle, a second determination unit that, when the first determination unit determines that there is another vehicle in the dead angle, determines, based on the running state of the vehicle detected by the running state detecting unit and the watching information about the another vehicle in the dead angle area, whether a driving operation for the vehicle is appropriate, and a warning unit that issues a warning based on a determination result obtained the second determination …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.