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WHEEL SPEED SENSOR WITH SUPPORT FOR INDIRECT TIRE PRESSURE MONITORING

  • US 20140195104A1
  • Filed: 01/04/2013
  • Published: 07/10/2014
  • Est. Priority Date: 01/04/2013
  • Status: Active Grant
First Claim
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1. An indirect tire pressure monitoring system (TPMS), comprising:

  • a magnetic field sensor configured to detect a modulated magnetic field indicative of one or more resonance parameters of an automobile tire and to generate a modulated sensor signal based upon the modulated magnetic field;

    an analog-to-digital converter (ADC) configured to convert the modulated sensor signal to a digital sensor signal;

    a digital signal processing unit configured to receive the digital sensor signal and to perform analysis of the digital sensor signal to determine the one or more resonance parameters; and

    a communication interface configured to transmit data corresponding to the one or more resonance parameters to an electronic control unit (ECU).

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