A reduced keyboard disambiguating computer. The keyboard has twelve keys, nine of them labeled with numerous letters and other symbols, and those nine plus one more are labeled each with one of the ten digits. Textual entry keystrokes are ambiguous. The user strikes a delimiting "select" key at...http://www.google.com/patents/US5818437?utm_source=gb-gplus-sharePatent US5818437 - Reduced keyboard disambiguating computer
