Inventor
RAISER FRANZ
DE8 patents
Patents
8 patentsUS5740021AApr 14, 1998
Switching power supply for the operation of electric lamps
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH30 citations91
US6208085B1Mar 27, 2001
Circuit for power-factor correction
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH15 citations81
US6696791B2Feb 24, 2004
Method for starting a discharge lamp
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH11 citations71
US6381551B1Apr 30, 2002
Method for providing an output signal having a desired value of a characteristic quantity at the output of a switched-mode power supply unit and circuit for carrying out the method
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH11 citations71
US6266256B1Jul 24, 2001
Circuit for correcting the power factor
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH12 citations71
US6316888B1Nov 13, 2001
Ballast for at least one gas discharge lamp and method for operating such a ballast
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH5 citations60
US5883472AMar 16, 1999
Circuit for operating a discharge lamp
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH3 citations60
US6611112B2Aug 26, 2003
Appliance for discharge lamps with reliable starting
PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH1 citations50