US PATENT SUBCLASS 345 / 96
.~.~.~.~.~ Field period polarity reversal

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


345 /   HD   COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS

30  DF  PLURAL PHYSICAL DISPLAY ELEMENT CONTROL SYSTEM (E.G., NON-CRT) {4}
55  DF  .~ Display elements arranged in matrix (e.g., rows and columns) {10}
84  DF  .~.~ Light-controlling display elements {6}
87  DF  .~.~.~ Liquid crystal display elements (LCD) {9}
94  DF  .~.~.~.~ Waveform generation {3}
96.~.~.~.~.~ Field period polarity reversal

DEFINITION

Classification: 345/96

Field period polarity reversal:

(under subclass 94) Subject matter wherein the waveforms applied to the display elements* are alternately supplied in a positive and negative manner in a field period.

SEE OR SEARCH THIS CLASS, SUBCLASS:

54, for field period polarity reversal for a segmented liquid crystal display.

209, for field period polarity reversal for a generic display device.