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PCE
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DIFF Subgroup
H05B 41/19

for lamps having an auxiliary starting electrode

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Circuit arrangements or apparatus for igniting or operating discharge lamps > Circuit arrangements > in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC > having a starting switch > for lamps having an auxiliary starting electrode

CPC:

Circuit arrangements or apparatus for igniting or operating discharge lamps (structurally associated with the discharge lamps H01J61/54, H01J61/56) > Circuit arrangements > in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC > having a starting switch > for lamps having an auxiliary starting electrode

No child classifications to compare. This is a leaf node in both IPC and CPC.