US PATENT SUBCLASS 323 / 260
.~.~.~ With motor in control circuit

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

234  DF  OUTPUT LEVEL RESPONSIVE {6}
247  DF  .~ Using a transformer or inductor as the final control device {5}
259  DF  .~.~ Having a winding in series with the source and load (e.g., buck-boost) {4}
260.~.~.~ With motor in control circuit

DEFINITION

Classification: 323/260

With motor in control circuit:

(under subclass 259) Subject matter including a signal processing circuit between the means responsive to the output level and the final control device, the signal processing circuit including a motor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

256, and 341, for motor-driven tap changers used in devices having variable length windings as final control devices.