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Vehicle rear door control system

  • US 10,174,542 B1
  • Filed: 10/25/2017
  • Issued: 01/08/2019
  • Est. Priority Date: 10/25/2017
  • Status: Active Grant
First Claim
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1. A vehicle rear door control system, comprising:

  • a vehicle body structure having an opening and a rear door that is movable between a closed orientation covering the opening and an open orientation exposing the opening;

    a rear door movement device configured to move the rear door between the closed orientation and the open orientation;

    a keyfob sensor array installed to the vehicle body structure configured to detect proximity of an individual with an authorized keyfob;

    a movement detection sensor installed to the vehicle body structure below the rear door;

    a projector installed to the vehicle body structure proximate the rear door and aimed to project images to a ground surface rearward of the vehicle body structure proximate the rear door; and

    an electronic controller connected to rear door movement device, the keyfob sensor array, the movement detection sensor, and the projector, the electronic controller controlling operation of the rear door movement device to open the rear door in response to detection of the individual having the authorized keyfob and detection of a conforming gesture detected by the movement detection sensor, the electronic controller being further configured to operate the projector to project a position image to the ground surface alerting the individual to stand rearward of a portion of the positioning image during opening of the rear door, andthe electronic controller is further configured to operate the projector to display a no-key image in response to signals from the keyfob sensor array indicating that the authorized keyfob has not been detected in further response to signals from the movement detection sensor indicating that an individual is located proximate the rear door.

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