US PATENT SUBCLASS 345 / 209
.~.~ Field period polarity reversal

Current as of: June, 1999
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345 /   HD   COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS

204  DF  DISPLAY DRIVING CONTROL CIRCUITRY {5}
208  DF  .~ Waveform generator coupled to display elements {2}
209.~.~ Field period polarity reversal

DEFINITION

Classification: 345/209

Field period polarity reversal:

(under subclass 208) Subject matter in which the waveforms applied to the display elements* are alternatively supplied in a positive and negative manner.