Excitation circuit for an electrodeless lamp including a pulsed power source
US5990632A · kind A · utility
13Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1997 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Nov 13, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An RF source is periodically pulsed for exciting an electrodeless light bulb in an on-off mode so as to intermittently drive the bulb to a high peak power operating point where light generation efficiency is relatively high, while maintaining a relatively low average power input. Pulse rate and duration are optimized to minimize light flicker while maximizing light emission efficiency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.