US PATENT SUBCLASS 327 / 30
.~.~ Opposite polarity


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}
28  DF  .~ By polarity {2}
30.~.~ Opposite polarity


DEFINITION

Classification: 327/30

Opposite polarity:

(under subclass 28) Subject matter wherein an output signal results from comparing pulses which have or are expected to have differing polarities.