• All sections
• H - Electricity
• H05B - Electric heating; electric light sources not otherwise provided for; circuit arrangements for electric light sources, in general
• H05B 41/288 - Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps

Patent holdings for IPC class H05B 41/288

Total number of patents in this class: 213

10-year publication summary

Principal owners for this class