Enhanced rail worker protection warning system (PWS)
US10207726B2 · kind B2 · utility
1Cited by
0References
12Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 2, 2017 |
| Grant date | Feb 19, 2019 |
| Priority date | — |
| Expiry date | Oct 2, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B21/02
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A rail worker protection system having a first device configured to generate and send an identification code, a second device configured to transmit a request to the first device and to transmit a signal to one or more remote devices, and the remote device able to issue alarms to rail workers upon reception of the signal from the second device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.