Trailer driving assist system

  • US 10,800,332 B2
  • Filed: 05/16/2019
  • Issued: 10/13/2020
  • Est. Priority Date: 09/26/2012
  • Status: Active Grant
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First Claim
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1. A method for assisting a driver of a vehicle towing a trailer, said method comprising:

  • providing a rear backup camera at a rear portion of a vehicle equipped with a trailer hitch, wherein the rear backup camera has a rearward field of view that at least encompasses the trailer hitch of the vehicle;

    providing a trailer having a trailer tow bar;

    attaching the trailer tow bar of the trailer to the trailer hitch of the vehicle, wherein, with the trailer tow bar of the trailer attached to the trailer hitch of the vehicle, the field of view of the rear backup camera encompasses the trailer tow bar of the trailer attached to the trailer hitch of the vehicle;

    driving the vehicle while the vehicle is towing the trailer;

    capturing image data via the rear backup camera and providing image data captured by the rear backup camera to a control at the vehicle;

    wherein the control comprises a processor for processing image data captured by the rear backup camera and provided to the control;

    processing, at the control, image data captured by the rear backup camera while the vehicle is towing the trailer;

    responsive to processing at the control of image data captured by the rear backup camera, determining an angle of the trailer tow bar relative to the vehicle;

    responsive to determining the angle of the trailer tow bar relative to the vehicle, determining a degree of sway of the trailer relative to the vehicle; and

    responsive to determination that the degree of sway is greater than a threshold degree of sway, generating an output via the control.

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