SCROLL APPARATUS AND METHOD FOR MANIPULATING DATA ON AN ELECTRONIC DEVICE DISPLAY

摘要

A method (700) and apparatus for adjusting the data presentation on the display (102) of an electronic device (100) is provided. A user touch scroll input device (101) is provided on the electronic device (100). A user then manipulates the user touch scroll input device (101) with a finger (116) or stylus to alter the presentation of data, which may include navigating a list of data elements (112) or altering the image magnification of an image (113) or the output of an on-board camera. Length of stroke, final point of user contact, direction of user motion, and an optional timer are all used to control the alteration of the data presentation. For example, a timing module (109) can initiate a timer with the user makes contact with the user touch scroll input device (101). While the timer is running, the data presentation is altered at a first rate. Once the timer expires, the data presentation is altered at a second rate.