US PATENT SUBCLASS 434 / 228
.~.~ Means for selectively illuminating character on simulated keyboard

Current as of: June, 1999
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434 /   HD   EDUCATION AND DEMONSTRATION

219  DF  OCCUPATION {8}
227  DF  .~ Keyboard operation (e.g., typing, key punching, etc.) {5}
228.~.~ Means for selectively illuminating character on simulated keyboard

DEFINITION

Classification: 434/228

Means for selectively illuminating character on simulated keyboard:

(under subclass 227) Subject matter including a replica (such as a display panel) of an actual keyboard, with a light associated with each key or representation so that a character can be illuminated to indicate that it is to be typed.