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Sensor systems integrated with vehicle tires

  • US 10,082,381 B2
  • Filed: 04/26/2016
  • Issued: 09/25/2018
  • Est. Priority Date: 04/30/2015
  • Status: Active Grant
First Claim
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1. A sensor system for use with a vehicle tire, comprising:

  • a flexible piezoresistive substrate; and

    an array of sensors, each sensor including at least two conductive traces formed directly on the piezoresistive substrate, each sensor being positioned on the piezoresistive substrate to align with a region of the vehicle tire, wherein resistance between the conductive traces varies with force applied to the piezoresistive substrate; and

    sensor circuitry configured to receive sensor signals from the array of sensors, each sensor signal representing a force associated with a corresponding one of the sensors, the sensor circuitry being further configured to generate sensor data from the sensor signals, the sensor data comprising a representation of a contact patch of the vehicle tire, the contact patch representing a distribution and magnitudes of the forces associated with the array of sensors;

    wherein the sensor system is configured to conform to an interior of the vehicle tire.

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