Computer graphics processing and selective visual display system – Display peripheral interface input device – Mechanical control
Reexamination Certificate
2007-04-03
2007-04-03
Eisen, Alexander (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Mechanical control
C345S156000
Reexamination Certificate
active
09989714
ABSTRACT:
A pointing device for use with a keyboard functions like a computer mouse. It incorporates a plurality of configurable function keys. The pointing device is composed of a rolling surface capable of rotation and translation that may activate a switch when it is depressed. An optical sensor monitors the rotation and translation of the rolling surface and translates that motion into communications interpretable by a mouse software driver. An edge sensor allows repositioning of the rolling surface without cursor movement when limits of travel are reached. The pointing device communicates with the computer through a serial communication facility such as a PS/2 or USB connection. The enclosure containing the rolling surface incorporates an aperture allowing a portion of the rolling surface to be available for manipulation, an elevated support surface for the keyboard and provision for palm rests.
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Contour Design, Inc.
Eisen Alexander
Weingarten Schurgin, Gagnebin & Lebovici LLP
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