Patent · US Expired

Incandescent lamp with continuous high-frequency oscillations

US6147457A · kind A · utility

7Cited by

10References

13Claims

0Family size

Assignee

U.S. Philips Corporation · US

Inventors

Klaus Lohn · Simmerath, DE
Ulrich Böke · Geilenkirchen, DE
Bernd Hofmann · Erlangen, DE

Key dates

Filing date	Sep 1, 1998
Grant date	Nov 14, 2000
Priority date	—
Expiry date	Sep 1, 2018

Classification

Technology area (CPC H)Electricity
CPC primaryH05B39/04
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An incandescent lamp with a low voltage burner (BM) and integrated voltage conversion means (VCM) having switching elements (Q1, Q2) driven by a separate control circuit (CC) comprising an integrated circuit (IC). The voltage conversion means are suitable for operation at a high temperature and causes only limited amounts of EMI.

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