Battery operated power supply including a low level boost and a high level boost
US6043610A · kind A · utility
96Cited by
6References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 16, 1998 |
| Grant date | Mar 28, 2000 |
| Priority date | — |
| Expiry date | Jul 16, 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 is driven by a power supply including a voltage boost circuit and a low power inverter. The boost circuit includes a level shifting capacitor to provide voltage doubling. The inverter includes an inductor and at least one transistor connected in series between the output of the boost circuit and ground.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.