Tilt-based pointing for hand-held devices

Details Tilt-based pointing for hand-held devices Tilt-based pointing for hand-held devices

2005-01-25

2005-01-25

Lao, Lun-Yi (Department: 2673)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

C345S169000, C345S215000, C345S215000, C345S157000

Reexamination Certificate

active

06847351

ABSTRACT:
Systems and methods of pointing in hand-held devices are described. In accordance with this scheme, a user may control the position where a pointer is displayed on a display screen simply by changing the orientation of the hand-held device relative to a currently preferred device orientation, which is tracked automatically. In addition, unintentional device orientation changes, such as periodic device orientation changes that might be caused by carrying the hand-held device while walking or driving, are filtered out dynamically. In this way, the pointer may be positioned accurately and reliably at any one of a plurality of pointer screen locations based upon changes in device orientation under a wide variety of different usage conditions.

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