US PATENT SUBCLASS 345 / 52
.~.~.~.~ Power supply generating circuitry


Current as of: June, 1999
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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}
33  DF  .~ Segmented display elements {7}
48  DF  .~.~ Light-controlling display elements {2}
50  DF  .~.~.~ Liquid crystal elements {3}
52.~.~.~.~ Power supply generating circuitry


DEFINITION

Classification: 345/52

Power supply generating circuitry:

(under subclass 50) Subject matter in which the selective electrical control includes means for selectively supplying drive voltages to the display elements.

SEE OR SEARCH CLASS

323, Electricity: Power Supply or Regulation Systems, appropriate subclasses for specifics of a power supply.