IPC Subgroup
H05B 41/16 in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC
Introduced: September 1968
Last revised: January 2006
Full Title
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
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- Subclass:
- ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
2 direct subcodes
Child Classifications
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- H05B 41/18 having a starting switch
- H05B 41/2 having no starting switch