Wireless active wheel speed sensor
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United States of America Patent
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N/A
Issued Date -
Dec 11, 2008
app pub date -
Jun 8, 2007
filing date -
Jun 8, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A wireless rotational speed sensor system that includes a coil wound around a permanent magnet, the coil co-operating with a rotating ferrous target to induce a voltage for powering an active speed sensor element. The active speed sensor generates an output signal that is a function of the rotational speed of the target. The output signal is supplied to a wireless transmitter and antenna for transmission to other electronic components.
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