Patent · US Expired

Compact fluorescent outboard ballast

US5424610A · kind A · utility

12Cited by
8References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 2, 1993
Grant dateJun 13, 1995
Priority date
Expiry dateMar 2, 2013

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J61/70
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An outboard ballast which allows a compact fluorescent light bulb and its associated ballast to be positioned within a standard table lamp having a standard-size harp. The ballast is divided into separate sections so that the sections and their housing can extend into an area beyond the harp and below the socket of the lamp fixture. A three-way switch circuit is provided to be adaptable with common table lamp fixtures. The configuration of the present invention provides security features.

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