US PATENT SUBCLASS 345 / 81
.~.~.~ Optical addressing (e.g., photodetection)

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}
55  DF  .~ Display elements arranged in matrix (e.g., rows and columns) {10}
76  DF  .~.~ Electroluminescent {5}
81.~.~.~ Optical addressing (e.g., photodetection)

DEFINITION

Classification: 345/81

Optical addressing (e.g., photodetection):

(under subclass 76) Subject matter in which the selective electrical control in response to detection of an applied external light source controls the selective energization of the electroluminescent display elements*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

28, for addressing of CRT with storage means.