Note(s) This sub-class deals only with circuits or apparatus for the conversion of electric power. The electrotechnical elements employed are dealt with in the appropriate sub-classes, e.g. inductors, transformers Fulltext... Hierarchy... Expanded...H01F, capacitors, electrolytic rectifiers Fulltext... Hierarchy... Expanded...H01G, mercury rectifying or other discharge tubes Fulltext... Hierarchy... Expanded...H01J, semiconductor devices Fulltext... Hierarchy... Expanded...H01L, impedance networks or resonant circuits not primarily concerned with the transfer of electric power Fulltext... Hierarchy... Expanded...H03H. |