US PATENT SUBCLASS 363 / 123
.~ Using semiconductor-type converter

Current as of: June, 1999
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363 /   HD   ELECTRIC POWER CONVERSION SYSTEMS

13  DF  CURRENT CONVERSION {25}
123.~ Using semiconductor-type converter {4}
124  DF  .~.~> In chopper converter systems
125  DF  .~.~> In rectifier systems {3}
131  DF  .~.~> In transistor inverter systems {2}
135  DF  .~.~> In thyristor inverter systems {2}

DEFINITION

Classification: 363/123

Using semiconductor-type converter:

(under subclass 13) 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.

15+, and 37, and appropriate subclasses for semiconductor type converters for either D.C.-A.C.-D.C. or A.C.-D.C.-A.C. conversion.

53+, for semiconductor type rectifier systems including automatic or integral protection means.

56+, for semiconductor type inverter systems including automatic or integral protection means.

159+, for frequency conversion by semiconductor converter.