Power supply with a piezoelectric transformer and method for power conversion
US8659921B2 · kind B2 · utility
4Cited by
20References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2009 |
| Grant date | Feb 25, 2014 |
| Priority date | — |
| Expiry date | Dec 25, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power supply with a piezoelectric transformer is provided. A method for power conversion is also provided. The power supply includes a piezoelectric transformer and an oscillator circuit connected to the piezoelectric transformer. The oscillator circuit controls a sinusoidal voltage waveform at an input of the piezoelectric transformer to drive the piezoelectric transformer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.