Determination of wheel sensor position using shock sensors and a wireless solution
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United States of America Patent
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May 6, 2008
Grant Date -
Aug 18, 2005
app pub date -
Jan 20, 2004
filing date -
Jan 20, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A remote tire monitor system includes a control unit and a plurality of tire monitors mountable on respective wheels of a vehicle to transmit radio signals to the control unit. The tire monitors each include a pair of motion sensors such as shock sensors and a control circuit configured to determine position information for the respective tire monitor based on first and second shock sensor signals from the pair of shock sensors. The shock sensors produce an output voltage proportional to a change in applied force. Therefore, the offset created by centrifugal force in previously used accelerometers is absent, simplifying design of the tire monitors.
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