US PATENT SUBCLASS 345 / 42
.~.~.~ Controlling 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}
41  DF  .~.~ Fluid light-emitting display elements (e.g., gas, plasma) {1}
42.~.~.~ Controlling circuitry

DEFINITION

Classification: 345/42

Controlling circuitry:

(under subclass 41) Subject matter wherein the segmented display elements* are selectively controlled by a specified electrical control device (e.g., counters, logic circuits, shift registers, etc.).