US PATENT SUBCLASS 327 / 59
.~.~.~ Employing input compared to output

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

1  DF  SPECIFIC SIGNAL DISCRIMINATING (E.G., COMPARING, SELECTING, ETC.) WITHOUT SUBSEQUENT CONTROL {11}
50  DF  .~ By amplitude {9}
58  DF  .~.~ Maximum or minimum amplitude {4}
59.~.~.~ Employing input compared to output

DEFINITION

Classification: 327/59

Employing input compared to output:

(under subclass 58) Subject matter wherein a portion of an output signal is evaluated relative to an input signal.