Street lighting control, monitoring, and data transportation system and method
US9621265B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 18, 2014 |
| Grant date | Apr 11, 2017 |
| Priority date | — |
| Expiry date | Nov 18, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/72
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method and system for controlling and monitoring street lights using optical link signaling through free space which does not require an FCC license for operation. The optical link signaling is accomplished in the space between street lights by using LEDs for both area lighting and optical signaling. A Street lighting system luminaire comprises a structural member such as a pole, a lamp comprising one or more LEDs, and an optical receiver that receives optical signaling from one or more other luminaires in street lighting network. The modulator modulates the output of the lamp to launch data into the street lighting system for transport. The optical receiver and modulator enables strobing and flashing modes such as required to support emergency services.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.