Apparatus and method for detecting and executing positional and gesture commands corresponding to movement of handheld computing device
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United States of America Patent
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Feb 12, 2002
Grant Date -
N/A
app pub date -
Jun 24, 1998
filing date -
Jun 24, 1998
priority date (Note) -
In Force
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Abstract
A method is provided for processing an input command for a handheld computing device, comprising the steps of: measuring movement of the device over an interval of time with a motion sensor mounted to the device to generate a signal; analyzing the signal measured over the interval of time to determine a gesture command that corresponds to the movement of the device; and processing the gesture command to control the device as of an orientation of the device at the beginning of the interval. In addition to gesture commands, position commands can be input. Position commands are processed by measuring of a series of orientations of the device, analyzing the signal to determine a series of position commands that correspond to the series of orientations of the device, and processing the series of position commands to control the device. The method of processing of gesture commands avoids confusion due to inappropriate processing of orientations falsely determined to be position commands.
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