An ergonomic keyboard entry system (100) is provided. The system (100) includes a base (200) on which is provided a set of first control keys (120) for assigning an output function selected by simultaneously operating one of a plurality of multifunction character keys. In particular,...http://www.google.com/patents/US5790103?utm_source=gb-gplus-sharePatent US5790103 - Ergonomic keyboard entry system
