Inverter driving scheme
US5742134A · kind A · utility
22Cited by
11References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 1996 |
| Grant date | Apr 21, 1998 |
| Priority date | — |
| Expiry date | May 3, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S315/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An inverter for powering a lamp at deep dim levels. Inverter driving circuitry includes a feedback loop which compares desired dim level to signal representing actual lamp power consumption. Reproducibility of desired lighting conditions for different types of lamps powered by the same ballast over a wide range of temperatures is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.