Patent · US Expired

Active filtering

US7443229B1 · kind B1 · utility

9Cited by
123References
38Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 23, 2004
Grant dateOct 28, 2008
Priority date
Expiry dateApr 30, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02M1/32
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Techniques for adjusting the voltage across an active filter element include a controlled circuit element and a control circuit element adapted to control the voltage across the controlled circuit element to increase transient load response and to reduce power dissipation.

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