US PATENT SUBCLASS 327 / 325
.~.~.~ Using only diode active elements

Current as of: June, 1999
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327 /   HD   MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS

100  DF  SIGNAL CONVERTING, SHAPING, OR GENERATING {29}
306  DF  .~ Amplitude control {5}
309  DF  .~.~ By limiting, clipping, or clamping {10}
325.~.~.~ Using only diode active elements {1}
326  DF  .~.~.~.~> Avalanche or negative resistance device (e.g., zener diode, tunnel diode, etc.)

DEFINITION

Classification: 327/325

Using only diode active elements:

(under subclass 309) Subject matter wherein the limiting, clipping, or clamping utilizes a two-terminal unidirectionally conductive device as the sole active circuit device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

314, for diode shunt-type limiting, clipping, or clamping to reduce unwanted noise signals.

318+, for diode limiting, clipping, or clamping in the input or output circuits.

SEE OR SEARCH CLASS

257, Active Solid-State Devices (e.g., Transistor, Solid-State Diodes), appropriate subclasses for diverse types of diodes.