US PATENT SUBCLASS 345 / 170
.~.~ Light source associated with each key

Current as of: June, 1999
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345 /   HD   COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS

156  DF  DISPLAY PERIPHERAL INTERFACE INPUT DEVICE {8}
168  DF  .~ Including keyboard {4}
170.~.~ Light source associated with each key

DEFINITION

Classification: 345/170

Light source associated with each key:

(under subclass 168) Subject matter wherein each key of the keyboard is associated with a light-emitting element (e.g., LED, lamp, etc.).

SEE OR SEARCH CLASS

341, Coded Data Generation or Conversion,

31, for photoelectric actuation.