Rotary angle sensing system
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United States of America Patent
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Nov 25, 2008
Grant Date -
Jan 17, 2008
app pub date -
Jul 11, 2006
filing date -
Jul 11, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention includes a rotary sensing system that includes a shaft, a magnet encircling the shaft, a pair of plates, each of which is positioned near distal ends of the magnet, and at least one sensing device. The magnet generates a magnetic field, the angle of which changes as the shaft rotates. The pair of plates directs the magnetic field generated by the magnet towards the at least one sensing device. The at least one sensing device is sensitive to the changes in the angle of the magnetic field, which are indicative of an angular position of the shaft.
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