Coordinate input device having rotating bodies capable of rotating in a direction normal to the rotation of a wheel
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United States of America Patent
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Nov 28, 2006
Issued Date -
N/A
app pub date -
Jan 7, 2000
filing date -
Feb 22, 1999
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Abstract
A coordinate input device comprising a wheel operable through rotation includes a plurality of rotating bodies disposed along a circumferential edge of the wheel for rotation and a rotating body rotating state detection means for detecting the rotating state of the rotating bodies.
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