US PATENT SUBCLASS 323 / 293
.~ Using an impedance as the final control device

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

234  DF  OUTPUT LEVEL RESPONSIVE {6}
293.~ Using an impedance as the final control device {5}
294  DF  .~.~> Hall effect device, magnetoresistor or thermistor
295  DF  .~.~> Pressure sensitive resistor
296  DF  .~.~> Liquid contact resistor
297  DF  .~.~> Plural selective resistors
298  DF  .~.~> Variable resistor

DEFINITION

Classification: 323/293

Using an impedance as the final control device:

(under subclass 234) Subject matter wherein the final control device within the output level responsive system is an impedance such as a resistor, capacitor, or diode.

(1) Note. Inductors are not included herein. See search notes below.

SEE OR SEARCH THIS CLASS, SUBCLASS:

208, and the subclasses noted in the definition thereof, for impedances used as final control devices in other systems.

247, for inductors.