US PATENT SUBCLASS 327 / 13
.~ By shape

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}
13.~ By shape {3}
14  DF  .~.~> Slope {1}
16  DF  .~.~> Having feedback
17  DF  .~.~> With reference signal

DEFINITION

Classification: 327/13

By shape:

(under subclass 1) Subject matter wherein input signal discriminating is based upon a predetermined geometric configuration.

SEE OR SEARCH THIS CLASS, SUBCLASS:

134, for sawtooth or triangular wave producing systems with slope or duration control.

172+, for pulse signal shaping with duration or width control.

SEE OR SEARCH CLASS

348, Television,

525+, for sync separating systems which may depend upon differences in the slope or shape of the input pulses.

455, Telecommunications, 296+, for static or noise elimination in radio receivers which may depend upon the slope or shape of the pulse present in the input signal applied to the receiver.