Systems and methods of object detection using one or more video cameras in wireless power charging systems
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02J-005/00
H02J-050/15
H02J-050/20
H02J-050/60
H02J-007/02
H04B-005/00
출원번호
US-0053260
(2016-02-25)
등록번호
US-9871387
(2018-01-16)
발명자
/ 주소
Bell, Douglas
Leabman, Michael A.
출원인 / 주소
Energous Corporation
대리인 / 주소
Morgan, Lewis & Bockius LLP
인용정보
피인용 횟수 :
0인용 특허 :
176
초록▼
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
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, can extract energy from these pocket of energy and then convert the extracted 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 can 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 actual video images.
대표청구항▼
1. A system for wireless power transmission, the system comprising: a video camera for capturing image data of one or more objects in a transmission field of a transmitter configured to transmit wireless power; anda processor of the transmitter configured to: receive the image data from the video ca
1. A system for wireless power transmission, the system comprising: a video camera for capturing image data of one or more objects in a transmission field of a transmitter configured to transmit wireless power; anda processor of the transmitter configured to: receive the image data from the video camera; andgenerate symbolic data by processing the image data, wherein the symbolic data corresponds to data represented by a numerical value for each object of the one or more objects in the image data. 2. The system of claim 1, further comprising a plurality of video cameras configured to capture the image data of their corresponding fields of views in the transmission field of the transmitter. 3. The system of claim 2, wherein the symbolic data varies depending on a video camera used from the plurality of video cameras to capture the image data. 4. The system of claim 2, wherein the plurality of video cameras are selected from a group consisting of infrared cameras, thermal cameras, and visible light cameras. 5. The system of claim 2, further comprising a trigger unit for triggering the capturing image data by each of the plurality of video cameras, wherein the plurality of video cameras are triggered in a sequence by a central clock signal generated by the trigger unit. 6. The system of claim 2, wherein each video camera of the plurality of video cameras has its own synchronized clock. 7. The system of claim 1, wherein the video camera is an integral component of the transmitter. 8. The system of claim 1, wherein: the processor is configured to match the symbolic data corresponding to each object of the one or more objects with pre-stored data, andthe processor is further configured to transmit the symbolic data of a given object of the one or more objects to an administrator computer when the symbolic data of the given object matches the pre-stored data. 9. The system of claim 8, wherein the processor is configured to transmit a signal to antennas of the transmitter on determining the given object, and wherein the antennas are configured to control transmission of one or more power waves towards the given object. 10. The system of claim 9, wherein: the antennas are configured to transmit the one or more power waves towards the given object when the given object is identified as a receiver, andthe antennas are configured to not transmit the one or more power waves towards the given object when the given object is identified as a living being. 11. A computer-implemented method for wireless power transmission, the computer-implemented method comprising: capturing, by a video camera, image data of one or more objects in a transmission field of a transmitter configured to transmit wireless power;receiving, by a processor of the transmitter, the image data capturing the one or more objects from the video camera; andgenerating, by the processor, symbolic data by processing the image data, wherein the symbolic data corresponds to data represented by a numerical value for each object of the one or more objects in the image data. 12. The computer-implemented method of claim 11, further comprising capturing, by a plurality of video cameras, the image data in their corresponding fields of views overlapping the transmission field of the transmitter. 13. The computer-implemented method of claim 12, wherein the symbolic data varies depending on a video camera used from the plurality of video cameras to capture the image data. 14. The computer-implemented method of claim 12, wherein the plurality of video cameras are selected from a group consisting of infrared cameras, thermal cameras, and visible light cameras. 15. The computer-implemented method of claim 12, further comprising triggering, by a trigger unit of the transmitter, capturing of the image data by each video camera of the plurality of video cameras, wherein the plurality of video cameras are triggered in a sequence by a central clock signal generated by the trigger unit. 16. The computer-implemented method of claim 12, wherein each of the plurality of video cameras has its own synchronized clock. 17. The computer-implemented method of claim 11, wherein the video camera is an integral component of the transmitter. 18. The computer-implemented method of claim 11, further comprising matching, by the processor, the symbolic data corresponding to each object of the one or more objects with pre-stored data, and wherein the processor is further configured to transmit the symbolic data of a given object of the one or more objects to an administrator computer when the symbolic data of the given object matches the pre-stored data. 19. The computer-implemented method of claim 18, further comprising transmitting, by the processor, a signal to antennas of the transmitter on determining the given object, and wherein the antennas are configured to control transmission of one or more power waves towards the given object. 20. The computer-implemented method of claim 19, further comprising transmitting, by the antennas, the one or more power waves towards the given object when the given object is identified as a receiver, and the antennas are configured to not transmit the one or more power waves towards the given object when the given object is identified as a living being.
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