DIFF Subgroup
H05B 41/24 in which the lamp is fed by high frequency AC (H05B41/26 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: in which the lamp is fed by high-frequency AC
CPC: in which the lamp is fed by high frequency AC (H05B41/26 takes precedence)
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 high-frequency AC
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 high frequency AC (H05B41/26 takes precedence)
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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