Patent · US Expired

Capacitive power supply circuit and method

US7483280B2 · kind B2 · utility

5Cited by
10References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 11, 2005
Grant dateJan 27, 2009
Priority date
Expiry dateDec 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.