Patent · US Expired

Halogen lamps with mains-to-low voltage drivers

US7339790B2 · kind B2 · utility

50Cited by

7References

22Claims

0Family size

Assignee

KONINKLIJKE PHILIPS ELECTRONICS NV · NL

Inventors

Karl Baker · Dundee, US
Jack Baldrige · Hammondsport, US
Oliver Boehme · Aachen, DE
Marlena Brzozowski · Stolberg, DE
Utsawa Chaturvedi · Rochester, US
Winand H. A. M. Friederichs · Eindhoven, NL
Rebecca Ketchum · Hammondsport, US
Mark L. Morrell · Horseheads, US
Bruno Thoennessen · Simmerath, DE
Vineet Tyagi · Elmira Heights, US
Eswara Vallabhaneni · Elmira, US

Key dates

Filing date	Aug 16, 2005
Grant date	Mar 4, 2008
Priority date	—
Expiry date	Sep 8, 2025

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02B20/00
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A halogen lamp includes a mains base and a converter operably connected to the mains base. The converter has a lamp socket, a toroid transformer, and a heat sink disposed within a center opening of the toroid transformer. A lamp is removably disposed in the lamp socket. The converter has a power density between 0.75 and 3.75 Watts/cm3. In an alternate embodiment, the halogen lamp includes a low voltage, low pressure IRC lamp operably connected to the converter.

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