US PATENT SUBCLASS 318 / 820
.~.~ Closed secondary member or member portion with means to change electrical characteristics thereof


Current as of: June, 1999
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318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

727  DF  INDUCTION MOTOR SYSTEMS {12}
818  DF  .~ Secondary circuit control {3}
820.~.~ Closed secondary member or member portion with means to change electrical characteristics thereof


DEFINITION

Classification: 318/820

Closed secondary member or member portion with means to change electrical characteristics thereof:

(under subclass 818) Subject matter wherein the secondary member or a portion thereof is always in a closed electrical path with the circuit and the circuit includes means connectable to the member or member portion to change the electrical characteristics thereof.