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 | .~.~ Light-controlling display elements {2} | |
49 | DF | .~.~.~> Electrochromic elements |
50 | DF | .~.~.~> Liquid crystal elements {3} |