Proximity transmitters for wireless power charging systems
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02J-050/15
H02J-050/60
H02J-050/20
출원번호
US-0757568
(2015-12-24)
등록번호
US-10063105
(2018-08-28)
발명자
/ 주소
Leabman, Michael A.
출원인 / 주소
Energous Corporation
대리인 / 주소
Morgan, Lewis & Bockius LLP
인용정보
피인용 횟수 :
0인용 특허 :
195
초록▼
Disclosed herein are systems and methods addressing the shortcomings in the art, and may also provide additional or alternative advantages as well. The embodiments described herein provide a wireless charging proximity transmitter configured to intelligently generate waveforms of various types, such
Disclosed herein are systems and methods addressing the shortcomings in the art, and may also provide additional or alternative advantages as well. The embodiments described herein provide a wireless charging proximity transmitter configured to intelligently generate waveforms of various types, such as radio-frequency waves and ultrasound waves, among others. The wireless charging transmitter may be used for providing energy to a receiver that is proximately located to the transmitter. The receiver may be coupled to, or may be a component of, an electrical device that is intended to receive the power from the wave-based energy produced by the wireless proximity transmitter.
대표청구항▼
1. A wireless charging proximity transmitter comprising: an array of one or more antennas; anda surface layer proximate to the array of antennas,wherein: the proximity transmitter is configured to transmit power waves to a receiver in response to a device associated with the receiver being within a
1. A wireless charging proximity transmitter comprising: an array of one or more antennas; anda surface layer proximate to the array of antennas,wherein: the proximity transmitter is configured to transmit power waves to a receiver in response to a device associated with the receiver being within a proximity threshold of the surface layer of the proximity transmitter; andthe power waves converge to form a constructive interference pattern within about twelve inches of the surface layer of the proximity transmitter. 2. The proximity transmitter according to claim 1, wherein the proximity transmitter is further configured to transmit the power waves to the receiver upon the device associated with the receiver being placed on the surface layer. 3. The proximity transmitter according to claim 1, wherein when the device is positioned on the surface layer: the proximity transmitter is configured to select a subset of the antennas of the array to use to transmit the power waves to the receiver associated with the device that is positioned on the surface layer. 4. The proximity transmitter according to claim 3, wherein the subset of the antennas of the array that is used to transmit the power waves to the receiver are directly below the receiver. 5. The proximity transmitter according to claim 1, further comprising a sensor configured to determine whether the device associated with the receiver is positioned on the surface layer. 6. The proximity transmitter according to claim 5, wherein the sensor is selected from the group consisting of a pressure sensor, a magnetic sensor, a contact sensor, a thermal sensor, a static electricity sensor, a motion sensor, and an electromagnetic spectrum sensor. 7. The proximity transmitter according to claim 5, wherein the sensor is configured to sense a living being in a proximity to the proximity transmitter, and wherein the proximity transmitter is further configured to cease transmitting the power waves upon the sensor sensing the living being within the proximity to the proximity transmitter. 8. The proximity transmitter according to claim 5, wherein the sensor is a passive sensor. 9. The proximity transmitter according to claim 5, wherein the sensor is an active sensor. 10. The proximity transmitter according to claim 1, wherein the power waves comprise radio frequency waves. 11. The proximity transmitter according to claim 1, wherein the power waves comprise ultrasound waves. 12. A wireless charging proximity transmitter comprising: a housing comprising: an upper surface layer;a lower surface layer;at least one side wall extending from the lower surface layer to the upper surface layer;an array of one or more antennas positioned between the lower surface layer and the upper surface layer; anda controller configured to transmit power waves from the array of one or more antennas so that the power waves converge at a location of a device associated with a receiver upon identifying the device within a proximity threshold from a portion of the upper surface layer of the proximity transmitter, wherein the converging power waves form a constructive interference pattern within about twelve inches of the upper surface layer of the proximity transmitter. 13. The proximity transmitter according to claim 12, wherein the controller is further configured to transmit the power waves to the receiver upon the device associated with the receiver being placed on the upper surface layer. 14. The proximity transmitter according to claim 12, wherein when the device is positioned on the surface layer: the proximity transmitter is configured to select a subset of the antennas of the array to use to transmit the power waves to the receiver associated with the device that is positioned on the upper surface layer. 15. The proximity transmitter according to claim 14, wherein the subset of the antennas of the array that is used to transmit the power waves to the receiver associated with the device on the upper surface layer are directly below the receiver. 16. The proximity transmitter according to claim 12, further comprising a sensor configured to determine the presence of the device associated with the receiver on the upper surface layer. 17. The proximity transmitter according to claim 16, wherein the sensor is a passive sensor. 18. The proximity transmitter according to claim 16, wherein the sensor is an active sensor. 19. The proximity transmitter according to claim 16, wherein the sensor is configured to sense a living being in a proximity to the proximity transmitter, and wherein the proximity transmitter is further configured to cease transmitting the power waves upon the sensor sensing the living being within the proximity. 20. The proximity transmitter according to claim 16, wherein the sensor is selected from the group consisting of a pressure sensor, a magnetic sensor, a contact sensor, a thermal sensor, a static electricity sensor, a motion sensor, and an electromagnetic spectrum sensor. 21. The proximity transmitter according to claim 12, wherein the power waves comprise radio frequency waves. 22. The proximity transmitter according to claim 12, wherein the power waves comprise ultrasound waves. 23. The proximity transmitter according to claim 12, wherein a shape of the proximity transmitter is selected from the group consisting of a circle, a rectangle, a square, a triangle, an octagon, and an oval. 24. The proximity transmitter according to claim 12, wherein the array of antennas is arranged in a plane parallel to the lower surface layer or the upper surface layer. 25. The proximity transmitter according to claim 12, wherein the array of antennas is arranged in a non-planar fashion forming a three dimensional placement of antennas inside the housing.
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