US PATENT SUBCLASS 327 / 387
.~.~ Control signal derived from or responsive to input 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.~.~ Control signal derived from or responsive to input signal {1}
388  DF  .~.~.~> Additional external control signal

DEFINITION

Classification: 327/387

Control signal derived from or responsive to input signal:

(under subclass 379) Subject matter wherein the control signal is dependent on or generated from a characteristic of the input signal.

(1) Note. For example, in FET switching devices, a control signal which is responsive to the constancy or fluctuations of an input signal would be fed to the gate electrode to control the FET channel impedance.