US PATENT SUBCLASS 315 / 270
.~.~ Plural control potentials


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}
270.~.~ Plural control potentials {1}
271  DF  .~.~.~> Plural pulsating and/or A.C. potentials


DEFINITION

Classification: 315/270

(under subclass 268) Systems provided with means to apply two or more different currents and/or potential to the discharge control means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

350, and indented subclass, for other systems under the class definition having a discharge control discharge device load and being provided with means to apply two or more different currents and/or potentials to the discharge control means.

SEE OR SEARCH CLASS

323, Electricity: Power Supply or Regulation Systems,

227, and 291 for electronic tube regulators. See Lines With Other Classes and Within This Class in the class definition of Class 323.