US PATENT SUBCLASS 323 / 346
.~.~ Having series-parallel connectable windings

Current as of: June, 1999
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323 /   HD   ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS

318  DF  EXTERNAL OR OPERATOR CONTROLLED {5}
328  DF  .~ Using a transformer or inductor as the final control device {6}
346.~.~ Having series-parallel connectable windings

DEFINITION

Classification: 323/346

Having series-parallel connectable windings:

(under subclass 328) Subject matter wherein the transformer includes a plurality of windings which are arranged in such fashion that they may be selectably connected in series or parallel or a combination series-parallel circuit.