US PATENT SUBCLASS 327 / 5
.~.~.~ With input derived from feedback


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}
2  DF  .~ By phase {1}
3  DF  .~.~ Comparison between plural inputs (e.g., phase angle indication, lead-lag discriminator, etc.) {5}
5.~.~.~ With input derived from feedback


DEFINITION

Classification: 327/5

With input derived from feedback:

(under subclass 3) Subject matter wherein a portion of the output signal is returned to one of the plural inputs.