US PATENT SUBCLASS 315 / 274
.~.~ Transformer in the control circuit

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}
268  DF  .~ Discharge control discharge device load {5}
274.~.~ Transformer in the control circuit

DEFINITION

Classification: 315/274

(under subclass 268) Systems provided with a transformer connected in the control circuit of the discharge device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

262, where the discharge control means is an auxiliary starting electrode and a transformer is connected in the auxiliary starting electrode circuit.

354, for other systems under the class definition having a discharge control discharge device load and having a transformer connected in the control circuit.

SEE OR SEARCH CLASS

323, Electricity: Power Supply or Regulation Systems,

355, for miscellaneous transformer systems.