Plasma lamp using a shaped waveguide body
US7791280B2 · kind B2 · utility
9Cited by
56References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2006 |
| Grant date | Sep 7, 2010 |
| Priority date | — |
| Expiry date | Jan 1, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A plasma lamp for an electrodeless plasma lamp having a shaped dielectric waveguide body. The shaped body may have a relatively thin region containing a bulb, and a second region thicker than the first region. Microwave probes may be positioned in the second region to provide power to the waveguide body. The body may be shaped to intensify the electric field in the first region adjacent to the bulb to allow operation at a lower frequency than a solid cylindrical or rectangular waveguide body having the same volume and dielectric constant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.