US PATENT SUBCLASS 327 / 388
.~.~.~ Additional external control signal

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}
379  DF  .~ Signal transmission integrity or spurious noise override {7}
387  DF  .~.~ Control signal derived from or responsive to input signal {1}
388.~.~.~ Additional external control signal

DEFINITION

Classification: 327/388

Additional external control signal:

(under subclass 387) Subject matter including another control signal which controls the switching operation and which is independent of the characteristic of the input signal and the first control signal.