Light source device having a power supply antenna disposed at one focal point of an elliptical resonator, and projector
US8227732B2 · kind B2 · utility
2Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2009 |
| Grant date | Jul 24, 2012 |
| Priority date | — |
| Expiry date | Feb 2, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light source device includes an elliptical resonator, an electric discharge lamp that has an electric discharge tube and an electrode connected to the electric discharge tube and is disposed at one of two confocal points of the elliptical resonator, and a power supply antenna that supplies a microwave to the electric discharge lamp and is disposed at the other confocal point.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.