Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Lovleen Chadha0
Date of Patent
June 3, 2008
0Patent Application Number
108684320
Date Filed
June 14, 2004
0Patent Primary Examiner
Patent abstract
An optical joystick for a hand-held communication device employs an image capture device for sensing movement of a stylus by capturing images of the stylus or a target attached to a socket receiving the stylus. The captured images are processed for tracking movement of the stylus so that movement of the stylus may be used for controlling functions of the hand-held communication device.
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