Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Reexamination Certificate
2007-07-03
2007-07-03
Awad, Amr A. (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
Reexamination Certificate
active
10653277
ABSTRACT:
A pointing device is disclosed which does not require a tablet, such as a digitizer, and is mechanically simplified, and a scanner, a robot, a mobile communication device and an electronic dictionary using the pointing device. The pointing device includes a light source, a ball and an optical image sensor. The light source irradiates light. The ball rotates by the movement of the entire pointing device. The optical image sensor detects the movement of the pointing device using an image. The pointing device irradiate light onto the ball through the light source, acquires an image on a surface of the ball through the optical image sensor, and outputs data on movement direction and distance by comparing and analyzing previous and current images.
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Awad Amr A.
Lerner David Littenberg Krumholz & Mentlik LLP
Sherman Stephen G.
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