Circuit and method for directly regulating the output voltage of an electroluminescent lamp driver
US6011382A · kind A · utility
18Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1998 |
| Grant date | Jan 4, 2000 |
| Priority date | — |
| Expiry date | Oct 1, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An EL lamp driver employs constant power regulation rather than pulse frequency modulation to thereby eliminate the high voltage resistive divider network present in prior art EL lamp drivers that employ pulse frequency modulation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.