Electrodeless discharge lamp unit
US6100650A · kind A · utility
4Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1999 |
| Grant date | Aug 8, 2000 |
| Priority date | — |
| Expiry date | Mar 30, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrodeless discharge lamp unit includes an electrodeless discharge lamp that has a luminescent tube with an excitation coil wound round and an auxiliary tube, a high-tension applying circuit to apply pulse voltage of a peak value that is able to dielectric break the discharge space in the luminescent tube and a current injection circuit to apply voltage, that is able to maintain non-ring shaped discharge formed in the luminescent tube by applying pulse voltage by a high-tension applying circuit even when the application of pulse voltage is suspended, to the end of the auxiliary tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.