Vertical translation of mouse or trackball enables truly 3D input
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United States of America Patent
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-
Jul 21, 1998
Grant Date -
N/A
app pub date -
Mar 12, 1996
filing date -
Mar 13, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A trackball enables entering 3D coordinates into a data processing system through both rotation of the ball and vertical translation of the ball relative to its casing. Software controlled tactile feedback means provides 3D tactile cues to the user when manipulating the ball. The trackball enhances interactivity in a multi-media enviroment.
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