Multidimensional coordinate signal input apparatus
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United States of America Patent
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N/A
Issued Date -
Nov 28, 2002
app pub date -
Oct 31, 2001
filing date -
Jan 15, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
There is disclosed a multidimensional coordinate signal input apparatus integrable into an input hardware interface for use in a data processing unit. The multidimensional signal input apparatus is operatively configured to provide multidimensional input signals to adjust a cursor address on a display screen of the data processing unit or control the scroll bar movement of an application program running on the data processing unit, and comprises a trackball module which is revolvable in response to an impetus caused by a user, at least two wheels, each of which has a side surface being in contact with the trackball module and revolves with the trackball module for detecting a movement of the trackball module along one axis of a multidimensional coordinate system and generating an input signal along the axis of the multidimensional coordinate system, and a microprocessor for receiving the input signals of the multidimensional coordinate system.
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