Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Reexamination Certificate
2006-03-21
2006-03-21
Liang, Regina (Department: 2674)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
Reexamination Certificate
active
07015895
ABSTRACT:
This invention refers to a computer mouse used to control the pointer on a monitor screen. The standard computer mouse uses one ball and three rollers to obtain the two dimensional position of the mouse. The first two rollers are used to update the position of the mouse, when the ball is moving, by having a third roller push the ball against the first two rollers. The force of the third roller keeps the ball in constant contact with the first two rollers guaranteeing that any movement of the ball is transmitted to the first two rollers which then update the position of the mouse on the screen. This invention replaces the functionality of the third roller by a magnet, which in turn increases the precision of the computer mouse.
REFERENCES:
patent: 5371516 (1994-12-01), Toyoda et al.
patent: 5583541 (1996-12-01), Solhjell
patent: 5696537 (1997-12-01), Solhjell
Muresane David
Muresane David Darian
Liang Regina
Muresan David D.
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