Similar Keyboards
The patent for this "Display Keyboard" (U.S. Patent 5,818,361) is held by inventor Elkin Acevedo. However, the first programmable LCD keyboard was developed in the mid-1980s in Germany. This keyboard, sold under the LCBoard name in the U.S. until 1999, contained many of the features of the Optimus keyboard including monochrome graphic icons on each keyboard key, macro programming, context sensitive and application dependent switching between functions.
Read more about this topic: Optimus Maximus Keyboard
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