Patent ID: 6201554
Filing Date: 2001-03-13
Classification: G06F,Y10S

Abstract:
A portable display device having a size suitable for hand-held use and including a displaying screen for displaying video images and audio circuitry for providing audio signals to a user, said portable display device comprising:a manual input device mounted on the portable display device activatable by a user for placing the portable display device in any one of a plurality of modes of operation selected from the group consisting of paging, volume control, brightness control and zoom;a sensor mounted on the portable display device and configured to sense changes in tilt of the portable display device relative to a reference tilt established upon placing the portable display device in one of the plurality of modes of operation; anda control connected to the sensor and adapted to modify parameters associated with a mode of operation selected from the plurality of modes of operation in response to the sensor sensing tilt changes when the portable display is in the select mode of operation.