A method for a human user to interactively enter an alphanumeric text message into a multiline display device (12) using a keypad (14) containing a number of keys. On one portion (22) of the display, the alphanumeric text message that the user is entering is displayed. On a second portion (23) of the...http://www.google.de/patents/US6483913?utm_source=gb-gplus-sharePatent US6483913 - Method for interactively entering alphanumeric text into a multiline display device using a keypad
