IPC Subgroup
H02J 7/18 due to variation of ohmic resistance in field circuit, using resistance switching in or out of circuit step by step
Introduced: September 1968
Last revised: January 2006
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 > due to variation of ohmic resistance in field circuit, using resistance switching in or out of circuit step by step
Classification Context
- Section:
- ELECTRICITY
- Class:
- GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
- Subclass:
- ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY