US PATENT SUBCLASS 345 / 39
.~.~.~ Light-emitting diode segments (LEDS)

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}
35  DF  .~.~ Bar graph {5}
39.~.~.~ Light-emitting diode segments (LEDS)

DEFINITION

Classification: 345/39

Light-emitting diode segments (LEDs):

(under subclass 35) Subject matter wherein the bar graph includes 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 indicator using light-emitting diodes (LEDs) and subclass 825.82 for LED matrix which is not used as a display.