US PATENT SUBCLASS 315 / 371
.~.~.~ By modulation of deflection waveform

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

1  DF  CATHODE RAY TUBE CIRCUITS {11}
364  DF  .~ Cathode-ray deflections circuits {16}
370  DF  .~.~ With ray deflection distortion correction or reduction {1}
371.~.~.~ By modulation of deflection waveform

DEFINITION

Classification: 315/371

(under subclass 370) Subject matter wherein the electrical circuit includes a source of a deflection waveform which is delivered to the deflection means and the electrical network delivers another waveform or signal to the electrical circuit or the deflection means to modulate the deflection waveform so that a composite waveform is delivered to the deflection means to correct or diminish some type of distortion received by the energized electrical circuit, deflection means, or the cathode-ray tube.