Low audible noise power supply method and controller therefor
US7583522B2 · kind B2 · utility
10Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 17, 2004 |
| Grant date | Sep 1, 2009 |
| Priority date | — |
| Expiry date | Dec 26, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power controller forms drive pulses that reduces audible noise under light load conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.