Capacitive power supply circuit and method
US7483280B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2005 |
| Grant date | Jan 27, 2009 |
| Priority date | — |
| Expiry date | Dec 16, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M7/05
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A capacitive power supply circuit, comprising a power storage element between two output terminals for providing a rectified output voltage; in series between a first input terminal for applying an A.C. voltage and a first of the output terminals, at least one capacitor and a first diode; a switch controllable by application of a signal on a triggering terminal; and means for controlling said switch to the on state when the output voltage is in a predetermined range of values.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.