US PATENT SUBCLASS 324 / 411
.~.~.~.~ Pulsating or alternating current or potential for the discharge control means

Current as of: June, 1999
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324 /   HD   ELECTRICITY: MEASURING AND TESTING

403  DF  ELECTRIC LAMP OR DISCHARGE DEVICE {3}
405  DF  .~ Vacuum tube {5}
409  DF  .~.~ Testing discharge space characteristic (e.g., emission) {1}
410  DF  .~.~.~ With application of current or potential to the discharge control means {1}
411.~.~.~.~ Pulsating or alternating current or potential for the discharge control means {1}
412  DF  .~.~.~.~.~> Pulsating or alternating current for the anode

DEFINITION

Classification: 324/411

Pulsating or alternating current or potential for the discharge control means:

(under subclass 410) Subject matter wherein the current or potential impressed upon the discharge control means is pulsating or alternating current or potential.