DIFF Subgroup
H02J 7/24 using discharge tubes or semiconductor devices
Introduced: September 1968
Full Title
Circuit arrangements for charging or discharging batteries or for supplying loads from batteries > for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle > Regulation of the charging current or voltage by variation of field > using discharge tubes or semiconductor devices
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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