Alphanumeric data entry method and apparatus using reduced keyboard and context related dictionaries

摘要

A method and apparatus for inputting alphanumeric data into an electronic device via a reduced keyboard using context related dictionaries. The keystroke sequence entered by a user is compared to entries in a dictionary containing keystroke sequences respectively associated with text. The dictionary used to determine the desired text to be input by a user is selected based upon the mode of operation of the electronic device. The use of context related dictionaries increases the efficiency of entering the alphanumeric text.