Systems and methods of object detection in wireless power charging systems
First Claim
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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Abstract
Embodiments disclosed herein disclose a wireless charging system configured to generate and transmit power waves that, due to physical waveform characteristics, converge at a predetermined location in a transmission field to generate a pocket of energy. Receivers, associated with an electronic device being powered by the wireless charging system, may extract energy from these pocket of energy and then convert that energy into usable electric power for the electronic device associated with a receiver. The pocket of energy may manifest as a three-dimensional field (e.g., transmission field) where energy may be harvested by a receiver positioned within or nearby the pocket of energy. Video sensors capture actual video images of fields of view within the transmission field, and a processor identifies selected objects, selected events, and/or selected locations within the captured video images.
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Citations
20 Claims
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1. A transmitter for wireless power transmission comprising:
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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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2. A transmitter for wireless power transmission comprising:
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a first processor configured to receive first image data of a first type from a first sensor and identify a first set of coordinates of an object in the first image data with respect to a location of the first sensor; a second processor configured to receive second data of a second type from a set of second sensors and identify a second set of coordinates of an object in the second data with respect to the location of the first sensor; a third 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. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for wireless power transmission comprising:
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receiving, by a first processor, first image data of a first type from a first sensor to identify a first set of coordinates of an object in the first image data with respect to a location of the first sensor; receiving, by a second processor, second data of a second type from a set of second sensors to identify a second set of coordinates of an object in the second data with respect to the location of the first sensor; determining, by a third processor, 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 transmitting, by a set of antennas, a power transmission signal based upon the distance of the object in the first image data. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification