PORTABLE COMMUNICATION DEVICE INCLUDING TOUCH INPUT WITH SCROLLING FUNCTION

摘要

A portable communication device is equipped with a touch input device configured to provide key press functionality and scrolling functionality. The touch input device is electronically defined to include a plurality of key press areas separated by grey zones. The portable communication device is configured to provide scrolling functionality in response to detection of sequential user contact with multiple key press areas and an intervening grey zone within a predetermined timing trigger.