US PATENT SUBCLASS 327 / 444
.~.~.~ Complex wave supply

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}
444.~.~.~ Complex wave supply {1}
445  DF  .~.~.~.~> Silicon controlled rectifier (SCR) {1}

DEFINITION

Classification: 327/444

Complex wave supply:

(under subclass 438) Subject matter wherein the switching device's power supply has a waveform which is a periodic wave either made up of a combination of several frequencies or several sine waves superimposed on one another.