DIFF Subgroup
H05B 39/09 in which the lamp is fed by pulses
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Circuit arrangements or apparatus for operating incandescent light sources > in which the lamp is fed by pulses
CPC:
Circuit arrangements or apparatus for operating incandescent light sources (structurally associated with the incandescent lamps H01K1/62) > in which the lamp is fed by pulses
No child classifications to compare. This is a leaf node in both IPC and CPC.