Patent · US Expired

Fluorescent lamp control circuit

US6222325A · kind A · utility

13Cited by
16References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 17, 1998
Grant dateApr 24, 2001
Priority date
Expiry dateNov 17, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S315/05
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The present invention relates to a circuit for controlling a fluorescent lamp, including circuitry that provides a low frequency alternating current to the fluorescent lamp, this circuitry being controlled by a controllable switched-mode current source operating at high frequency.

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