US PATENT SUBCLASS 327 / 464
.~.~.~.~ Having plural four or more layer devices

Current as of: June, 1999
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327 /   HD   MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS

365  DF  GATING (I.E., SWITCHING INPUT TO OUTPUT) {12}
419  DF  .~ Utilizing three or more electrode solid-state device {7}
438  DF  .~.~ Four or more layer device (e.g., thyristor, etc.) {6}
447  DF  .~.~.~ AC supply {6}
464.~.~.~.~ Having plural four or more layer devices

DEFINITION

Classification: 327/464

Having plural four or more layer devices:

(under subclass 447) Subject matter wherein more than one four or more layer device is connected along the AC power supply path.