US PATENT SUBCLASS 315 / 284
.~.~ Variable inductance


Current as of: June, 1999
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315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

246  DF  PULSATING OR A.C. SUPPLY {10}
283  DF  .~ Inductance in the supply circuit {1}
284.~.~ Variable inductance {1}
285  DF  .~.~.~> Relatively movable core and coil-type inductance {1}


DEFINITION

Classification: 315/284

(under subclass 283) Systems wherein the inductance in the circuit is a variable inductance.

SEE OR SEARCH THIS CLASS, SUBCLASS:

259, for this subject matter where there are a plurality of load devices in the system.

SEE OR SEARCH CLASS

323, Electricity: Power Supply or Regulation Systems,

355, 363, and the subclasses specified in the notes to the definition of those subclasses for systems having a variable inductance for controlling the magnitude of the current and/or voltage in a single circuit.

336, Inductor Devices, appropriate subclasses for the structure of adjustable inductive impedances.