US PATENT SUBCLASS 345 / 46
.~.~.~ Light-emitting diodes

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}
44  DF  .~.~ Solid light-emitting display elements {2}
46.~.~.~ Light-emitting diodes

DEFINITION

Classification: 345/46

Light-emitting diodes:

(under subclass 44) Subject matter in which the segmented display elements* include light-emitting diodes or diodes that emit light when biased in a forward direction.

SEE OR SEARCH THIS CLASS, SUBCLASS:

82+, for matrix light-emitting diode display.

SEE OR SEARCH CLASS

257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes), appropriate subclasses for LED structure.

340, Communications: Electrical,

815.45, for visual indictor using light-emitting diodes (LEDs) and subclass 825.82 for LED matrix which is not used as a display.