Wireless Position Sensing Wafer
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United States of America Patent
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Issued Date -
May 24, 2007
app pub date -
Oct 6, 2006
filing date -
Oct 7, 2005
priority date (Note) -
Abandoned
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Abstract
A wireless position sensing wafer includes at least one accelerometer that measures acceleration along one direction. Integrating acceleration allows velocity and displacement from a starting point to be obtained. Orientation may be obtained from one or more gyroscopes or from a magnetic sensor. One or more artificial magnetic fields may be created for such a magnetic sensor. Position may also be found by triangulation with respect to fixed transmitters.
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