US PATENT SUBCLASS 327 / 220
.~.~.~.~.~ With diode

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}
185  DF  .~ Particular stable state circuit (e.g., tristable, etc.) {12}
199  DF  .~.~ Circuit having only two stable states (i.e., bistable) {11}
215  DF  .~.~.~ Having at least two cross-coupling paths {4}
219  DF  .~.~.~.~ Particular device at input, output, or in cross-coupling path {3}
220.~.~.~.~.~ With diode

DEFINITION

Classification: 327/220

With diode:

(under subclass 219) Subject matter including a conventional two-terminal unidirectionally conductive active element in the input circuit, the output circuit, or a cross coupling path of the multivibrator.

SEE OR SEARCH CLASS

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