Systems and method for controlling warnings at vehicle crossings
US9150229B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 22, 2014 |
| Grant date | Oct 6, 2015 |
| Priority date | — |
| Expiry date | May 22, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB61L29/22
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A method includes receiving an absolute time associated with movement of a vehicle system, modifying the absolute time into a relative time, and controlling one or more warning devices using the relative time. A system includes a crossing module configured to receive an absolute time associated with movement of a vehicle system. The crossing module is configured to modify the absolute time into a relative time and to control one or more warning devices using the relative time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.