US PATENT SUBCLASS 327 / 90
.~.~ Comparison between two characteristics of an input signal

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}
90.~.~ Comparison between two characteristics of an input signal

DEFINITION

Classification: 327/90

Comparison between two characteristics of an input signal:

(under subclass 50) Subject matter wherein the output signal is representative of the amplitude difference between two consecutive or selected points of the input signal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

91+, for details of a sample or hold circuit.