(under subclass 157) Subject matter wherein the converter includes a semiconductor device.
(1) Note. See the class definition, Glossary, for the definition of semiconductor.
SEE OR SEARCH THIS CLASS, SUBCLASS:
10, for combined phase and frequency conversion by semiconductor device converter.
37, for systems wherein an A.C. of a first frequency is rectified and the resulting D.C. is inverted into an A.C. of a second frequency by semiconductor rectifying and inverting means.
123+, for current conversion by semiconductor type conversion means.
