Systems and methods of object detection in wireless power charging systems

  • US 9,941,752 B2
  • Filed: 02/25/2016
  • Issued: 04/10/2018
  • Est. Priority Date: 09/16/2015
  • Status: Active Grant
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First Claim
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1. A transmitter for wireless power transmission comprising:

  • an image processor configured to receive first image data from a camera and identify a first set of coordinates of an object in the first image data with respect to a location of the camera;

    an ultrasound processor configured to receive ultrasound data from at least two ultrasound transducers and identify a second set of coordinates of an object in the ultrasound data with respect to the location of the camera;

    a decision manager processor configured to determine a distance of the object in the first image data from a location of the transmitter based upon the first set of coordinates to the second set of coordinates; and

    a set of antennas configured to transmit a power transmission signal based upon the distance of the object in the first image data.

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