Operator warning system and method for improving locomotive operator vigilance
US7398140B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2004 |
| Grant date | Jul 8, 2008 |
| Priority date | — |
| Expiry date | Jan 21, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B3/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Provided is an operator warning system for use in connection with a locomotive having a horn system with a horn activation actuator and a horn device for producing a noise. The operator warning system includes an onboard computer system with a database having grade crossing data and locomotive data thereon. The onboard computer system is in communication with the horn system. The operator warning system also includes a warning device for providing an audio, visual and/or tactile indicator to an operator of the locomotive based upon the grade crossing data, locomotive data and/or actuation condition of the horn activation actuator. A method for improving locomotive operator vigilance is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.