High frequency induction lighting
US9305765B2 · kind B2 · utility
8Cited by
73References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2013 |
| Grant date | Apr 5, 2016 |
| Priority date | — |
| Expiry date | Mar 28, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An induction RF fluorescent lamp, comprising a bulbous vitreous portion filled with a working gas mixture, a power coupler comprising at least one winding of an electrical conductor for receiving an alternating voltage, and an electronic ballast providing appropriate voltage and current to the power coupler and operating at a frequency greater than 5 MHz wherein the electronic ballast comprises an EMI filter, an AC-to-DC converter, a DC bus, an input choke inductor and a DC-to-AC inverter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.