Patent · US Expired

Power factor correction circuit

US6222743A · kind A · utility

2Cited by
3References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 25, 1998
Grant dateApr 24, 2001
Priority date
Expiry dateJun 25, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02B70/10
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A power factor correction circuit which employs a full wave rectified input wave form made up of plurality of short duration pulses applied across a transformer to charge a capacitor during a major portion of the input voltage wave and produce a DC output signal at a lower voltage than the input voltage.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.