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Optical Velocity Tracking for Paint Spray Gun

  • US 20110216188A1
  • Filed: 03/08/2010
  • Published: 09/08/2011
  • Est. Priority Date: 03/08/2010
  • Status: Active Grant
First Claim
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1. A method of tracking velocity of a hand-held paint spray gun, comprising:

  • Placing an object to be painted in an area having at least one wall covered with a constellation of fiducials;

    Storing the three-dimensional location and diameter of each fiducial in memory of a computer;

    Placing a camera on the spray gun, the camera having a field of view of the at least one wall when the object is being painted;

    Painting the object using the spray gun;

    During painting, using the camera to acquire location and diameter data representing the location and diameter of one or more fiducials within the camera'"'"'s field of view;

    using the location or diameter data to determine the current velocity of the spray gun;

    comparing current velocity values to the stored target velocity value; and

    Providing feedback, audio or visual, to the operator representing the relationship of the current velocity to the target velocity.

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