Remote control of lighting
US7405523B2 · kind B2 · utility
11Cited by
3References
6Claims
0Family size
Inventors
Key dates
| Filing date | Nov 2, 2005 |
| Grant date | Jul 29, 2008 |
| Priority date | — |
| Expiry date | Dec 10, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electronic ballast system controls one or more ballasts of HID or fluorescent lamps, which are controlled in an “on/off” manner by a ultra low power controller that is isolated for a primary power circuit or derives its very low switch power from the ballast itself. The on/off control provides a near lossless control system. This system may be applied to electronic ballast for operates at fractional power levels corresponding to different lighting intensities and with conventional occupancy sensors. The system may also be applied to other electronically compatible end-use devices and applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.