METHOD AND DEVICE FOR TRACKBALL-BASED PRESS POSITIONING
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United States of America Patent
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Issued Date -
Jun 13, 2013
app pub date -
Aug 23, 2011
filing date -
Aug 23, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a method and device for trackball-based press positioning, when the trackball is under pressure, the multi-legged support that supports the trackball will be deformed, and then transmits the deformation information to the processing module. The processing module compares the deformation information with the deformation threshold information stored therein. When it is determined that the trackball is under pressure but not in contact with the pressure sensing module, the trajectory of the trackball is recorded by the positioning module, and corresponding operations are performed on the displayed information in accordance with the trajectory. The press positioning information of the trackball may be recognized, and corresponding operations may be determined in accordance with the information.
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