US PATENT SUBCLASS 315 / 259
.~.~.~ 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}
250  DF  .~ Plural load device systems {5}
258  DF  .~.~ Inductance in the supply circuit {1}
259.~.~.~ Variable inductance

DEFINITION

Classification: 315/259

(under subclass 258) Systems wherein the inductance in the circuit is a variable inductance.

SEE OR SEARCH THIS CLASS, SUBCLASS:

284, and indented subclasses, for other systems under subclass 246 having a variable inductance in the supply circuit of the load device.

SEE OR SEARCH CLASS

323, Electricity: Power Supply or Regulation Systems,

247, 301, 305, and 328 and the subclasses specified in the notes to the definition of these 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 variable transformers and inductive reactors including saturable reactors.