Harbor lighting control apparatus
US8742688B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2010 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Feb 9, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B47/1985
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A harbor lighting control apparatus is provided, which includes a plurality of slaves to perform on control or off control, and dimming control with respect to a light emitting diode (LED) array light source mounted to a lighthouse when an on control signal or off control signal, and a dimming control signal are received, and to transmit a result of the control as acknowledge signals, and a master to transmit the on control signal or off control signal and the dimming control signal to all of the plurality of slaves by a broadcast scheme, to transmit the on control signal or off control signal and the dimming control signal to an individual slave by a unicast scheme, and to recognize operational states of the plurality of slaves by receiving the acknowledge signals from the plurality of slaves. Accordingly, stable and reliably control of the harbor lighting is enabled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.