US PATENT SUBCLASS 323 / 329
.~.~ Controllably saturable

Current as of: June, 1999
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323 /   HD   ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS

318  DF  EXTERNAL OR OPERATOR CONTROLLED {5}
328  DF  .~ Using a transformer or inductor as the final control device {6}
329.~.~ Controllably saturable {5}
330  DF  .~.~.~> With permanent magnet
331  DF  .~.~.~> With core having a gap, aperture, or slot
332  DF  .~.~.~> With plural power windings {3}
338  DF  .~.~.~> With plural cores
339  DF  .~.~.~> Including an electronic tube or a three or more terminal semiconductive device in control circuit

DEFINITION

Classification: 323/329

Controllably saturable:

(under subclass 328) Subject matter wherein the transformer includes a core, the level of saturation thereof being controllable.

SEE OR SEARCH THIS CLASS, SUBCLASS:

249, for output level responsive devices of this type.

302, for input level responsive devices of this type.

310, for self-regulating devices of this type.

SEE OR SEARCH CLASS

330, Amplifiers,

8, for magnetic amplifiers. 336, Inductors Devices,

155, for inductive regulators with no moving parts.