US PATENT SUBCLASS 327 / 520
.~ Plural active components included in a controlling circuit

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

518  DF  WITH PARTICULAR CONTROL {3}
520.~ Plural active components included in a controlling circuit {2}
521  DF  .~.~> Connected in inverse parallel
522  DF  .~.~> Gaseous tube

DEFINITION

Classification: 327/520

Plural active components included in a controlling circuit:

(under subclass 518) Subject matter wherein the controlling means is constituted by a plurality of active components such as transistors, amplifiers, or space discharge devices.

(1) Note. Active components are components in a circuit which have gain or direct current flow, such as transistors, amplifiers, thyristors, electron tubes, or tunnels diodes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

185, for stable state circuits with series connected tubes.