DC power line control for light bars and sirens
US8525660B2 · kind B2 · utility
10Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2011 |
| Grant date | Sep 3, 2013 |
| Priority date | — |
| Expiry date | Jan 19, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2203/5483
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A light bar and/or a siren controlled by a control head via control signals on power lines connected to the control head, the light bar and/or the siren. Isolated power line communication (PLC) modules between the light bar, the siren and the control head transmit the control signals over the power lines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.