Coordinate input stylus
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United States of America Patent
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Apr 29, 2003
Issued Date -
N/A
app pub date -
Jan 30, 2001
filing date -
Jun 4, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A stylus for use in a coordinate input system (e.g. digitizer tablet system) includes a finger wheel. The degree of rotation of the finger wheel by the user determines the extent to which a chosen graphical parameter (e.g. line thickness, color, shading, gray scale, etc.) is varied. Thus, a user can easily vary the graphical parameter while drawing by merely rotating the finger wheel about its fixed rotational axis. Preferably, rotation of the wheel causes an intermediate gear wheel with teeth thereon to rotate which in turn causes a potentiometer to detect the degree of rotation of the finger wheel. In alternative embodiments of this invention, a touchpad for inputting finger position and/or finger pressure information may be provided on the side of the stylus instead of the finger wheel.
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