US PATENT SUBCLASS 327 / 63
.~.~ Comparison between plural varying inputs

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}
63.~.~ Comparison between plural varying inputs {5}
64  DF  .~.~.~> With logic or bistable circuit
65  DF  .~.~.~> Differential input {2}
68  DF  .~.~.~> Input provides varying reference signal
69  DF  .~.~.~> With plural paths {1}
71  DF  .~.~.~> Three or more inputs

DEFINITION

Classification: 327/63

Comparison between plural varying inputs:

(under subclass 50) Subject matter wherein fluctuating input signals from two or more sources external to a system are evaluated relative to one another.

SEE OR SEARCH THIS CLASS, SUBCLASS:

72+, for evaluation of an input signal relative to a reference derived therefrom.

74+, for a system wherein a signal from an external source is evaluated relative to plural fixed reference levels.

77+, for the evaluation of a signal relative to a single fixed reference level.

78+, for detection of a crossover point between an input signal and a reference level.