Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1992-10-05
1994-03-22
Oberley, Alvin E.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
G09G 302
Patent
active
052968464
ABSTRACT:
A cursor control device for use with a three-dimensional stereoscopic image display system comprises a housing defining a volume corresponding to a displayed three-dimensional volume, and a joystick operable by the user for moving and positioning a cursor in the displayed three-dimensional volume. The joystick has a knob which is movable within the volume defined by the housing so as to designate desired positioning and movement of the cursor within the displayed three-dimensional volume. There is, at any given time, both positional and movement congruency between the position and movement of the knob and position and movement, respectively, of the cursor.
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National Biomedical Research Foundation
Oberley Alvin E.
Seeber Joseph G.
Wu Xiao M.
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