The subject terminal includes a keyboard (20) having a plurality of keys (30-1 through 30-10), each key adapted to accommodate a respective finger of the typist, and apparatus (100, 150) responsive to the depression of one of the keys for generating and displaying a symbol upon a cathode ray tube. Also...http://www.google.com/patents/US4333097?utm_source=gb-gplus-sharePatent US4333097 - Visual display terminal without finger repositioning
