Patent classifications
H
ELECTRICITY
Load children
H05
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Load children
H05B
ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
Load children
41/00
Circuit arrangements or apparatus for igniting or operating discharge lamps
Load children Filter patents View analytics View as hierarchy
H05B41/26
in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
Load children Filter patents View analytics View as hierarchy
H05B41/28
using static converters
Load children Filter patents View analytics View as hierarchy
H05B41/282
with semiconductor devices
Load children Filter patents View analytics View as hierarchy