Wireless system and method for collecting motion and non-motion related data of a rotating system
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United States of America Patent
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Mar 8, 2011
Grant Date -
Mar 19, 2009
app pub date -
Sep 18, 2007
filing date -
Sep 18, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A wireless system for collecting data indicative of a tire's characteristics uses at least one open-circuit electrical conductor in a tire. The conductor is shaped such that it can store electrical and magnetic energy. In the presence of a time-varying magnetic field, the conductor resonates to generate a harmonic response having a frequency, amplitude and bandwidth. A magnetic field response recorder is used to (i) wirelessly transmit the time-varying magnetic field to the conductor, and (ii) wirelessly detect the harmonic response and the frequency, amplitude and bandwidth, associated therewith. The recorder is adapted to be positioned in a location that is fixed with respect to the tire as the tire rotates.
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