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Method and apparatus to measure motion characteristics for bicycles and any vehicles on wheels

  • US 10,175,061 B2
  • Filed: 11/21/2014
  • Issued: 01/08/2019
  • Est. Priority Date: 11/21/2013
  • Status: Active Grant
First Claim
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1. A sensor system for use with a host device and a vehicle comprising a frame and at least one wheel, the sensor system comprising:

  • a first sensor associated with the at least one wheel of the vehicle, where the first sensor is configured to sense raw wheel data indicative of a rotational movement of the at least one wheel, the raw wheel data being sensed with respect to one of;

    a magnetic pole of the Earth or a magnet attached to the frame;

    a microcontroller configured todetect, during the rotational movement of the at least one wheel, changes in the raw wheel data; and

    determine, based on the changes in the raw wheel data, wheel data, the wheel data including a rotational angle of the at least one wheel, a full revolution count of the at least one wheel an angle of a revolution of the at least one wheel, a rotational direction of the revolution of the at least one wheel, and an angular acceleration of the at least one wheel; and

    a transmitter configured to transmit the wheel data to the host device.

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