US PATENT SUBCLASS 327 / 85
.~.~.~ Inverting input or 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}
77  DF  .~.~ Input signal compared to single fixed reference {10}
85.~.~.~ Inverting input or output

DEFINITION

Classification: 327/85

Inverting input or output:

(under subclass 77) Subject matter wherein an input signal or an output signal is reversed in sign.