Heterogeneous magnetic and inductive sensors
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United States of America Patent
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-
Jan 21, 2025
Grant Date -
Oct 19, 2023
app pub date -
Apr 14, 2022
filing date -
Apr 14, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A heterogeneous sensor system includes a magnetic field sensor and an inductive sensor. A checker is configured to receive the magnetic field sensor output signal and the inductive sensor output signal and determine whether an error has occurred based on a comparison of the magnetic field sensor output signal and the inductive sensor output signal. Targets include at least a portion that is conductive and may include a ferromagnetic portion for back biased magnetic sensing. Additional features include on axis and off axis positioning of the sensors with respect to the target, multi-track targets for absolute position sensing, angle sensing and torque sensing configurations.
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