US PATENT SUBCLASS 363 / 139
.~.~.~ Double ended (i.e., push-pull) type

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

13  DF  CURRENT CONVERSION {25}
123  DF  .~ Using semiconductor-type converter {4}
135  DF  .~.~ In thyristor inverter systems {2}
139.~.~.~ Double ended (i.e., push-pull) type

DEFINITION

Classification: 363/139

Double-ended (i.e., push-pull) type:

(under subclass 135) Subject matter wherein the inverter includes two thyristors which alternately and periodically couple the source to opposite terminals of a center-tapped primary winding of a power transformer.