Systems and methods for assigning a set of antennas of a wireless power transmitter to a wireless power receiver based on a location of the wireless power receiver
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01F-027/42
H01F-037/00
H01F-038/00
H04B-005/00
H02J-007/02
H02J-050/40
H02J-050/20
출원번호
US-0584079
(2014-12-29)
등록번호
US-10122415
(2018-11-06)
발명자
/ 주소
Bell, Douglas
Leabman, Michael A.
출원인 / 주소
Energous Corporation
대리인 / 주소
Morgan, Lewis & Bockius LLP
인용정보
피인용 횟수 :
0인용 특허 :
194
초록▼
The embodiments described herein include a transmitter that transmits a power transmission signal (e.g., radio frequency (RF) signal waves) to create a three-dimensional pocket of energy. At least one receiver can be connected to or integrated into electronic devices and receive power from the pocke
The embodiments described herein include a transmitter that transmits a power transmission signal (e.g., radio frequency (RF) signal waves) to create a three-dimensional pocket of energy. At least one receiver can be connected to or integrated into electronic devices and receive power from the pocket of energy. The transmitter can locate the at least one receiver in a three-dimensional space using a communication medium (e.g., Bluetooth technology). The transmitter generates a waveform to create a pocket of energy around each of the at least one receiver. The transmitter uses an algorithm to direct, focus, and control the waveform in three dimensions. The receiver can convert the transmission signals (e.g., RF signals) into electricity for powering an electronic device. Accordingly, the embodiments for wireless power transmission can allow powering and charging a plurality of electrical devices without wires.
대표청구항▼
1. A method for transmitting wireless power comprising: determining, by a transmitter, whether a first wireless power receiver coupled to a first electronic device is within range of the transmitter;transmitting, by the transmitter, a first communication signal to the first wireless power receiver,
1. A method for transmitting wireless power comprising: determining, by a transmitter, whether a first wireless power receiver coupled to a first electronic device is within range of the transmitter;transmitting, by the transmitter, a first communication signal to the first wireless power receiver, the first communication signal including a request for information used to determine a location of the first wireless power receiver relative to the transmitter;receiving, by the transmitter, a second communication signal from the first wireless power receiver, the second communication signal including information used to identify the location of the first wireless power receiver;based at least in part on the location of the first wireless power receiver coupled to the first electronic device: splitting, by the transmitter, a plurality of antennas of the transmitter into at least a first set and a second set; andassigning, by the transmitter, the first set of the plurality of antennas of the transmitter to transmit power transmission waves to the first wireless power receiver; andgenerating, by the transmitter, a first set of two or more power transmission waves that are transmitted with the first set of the plurality of antennas so that the first set of two or more power transmission waves form controlled constructive interference patterns that converge at the location of the first wireless power receiver. 2. The method of claim 1, wherein antennas of the first set of the plurality of antennas are configured to operate in frequency bands of 900 MHz, 2.5 GHz, or 5.8 GHz. 3. The method of claim 1, wherein a respective polarization for each antenna of the plurality of antennas is a vertical polarization, horizontal polarization, circular polarization, left hand polarization, right hand polarization, or a combination of polarizations. 4. The method of claim 1, wherein the plurality of antennas transmit radio frequency (RF) power waves. 5. The method of claim 1, further comprising: determining, by the transmitter, whether a second wireless power receiver coupled to a second electronic device is within range of the transmitter;transmitting, by the transmitter, a third communication signal to the second wireless power receiver to request a location of the second wireless power receiver relative to the transmitter; andreceiving, from the second wireless power receiver, information used to identify the location of the second wireless power receiver. 6. The method of claim 5, further comprising: assigning, by the transmitter, the second set of the plurality of antennas of the transmitter to transmit power transmission waves to the second wireless power receiver. 7. The method of claim 6, further comprising: generating, by the transmitter, a second set of two or more power transmission waves that are transmitted with the second set of the plurality of antennas so that the second set of two or more power transmission waves form controlled constructive interference patterns that converge at the location of the second wireless power receiver. 8. The method of claim 6, wherein antennas of the second set of the plurality of antennas are configured to operate in frequency bands of 900 MHz, 2.5 GHz, or 5.8 GHz. 9. The method of claim 6, wherein the first set of the plurality of antennas and the second set of plurality of antennas of the transmitter operate in different frequency bands. 10. A system for transmitting wireless power comprising: a transmitter configured to: determine whether a first wireless power receiver coupled to a first electronic device is within range of the transmitter;transmit a first communication signal to the first wireless power receiver, the first communication signal including a request for information used to determine a location of the first wireless power receiver relative to the transmitter;receive a second communication signal from the first wireless power receiver, the second communication signal including information used to identify the location of the first wireless power receiver;based at least in part on the location of the first wireless power receiver coupled to the first electronic device: split, by the transmitter, a plurality of antennas of the transmitter into at least a first set and a second set; andassign the first set of the plurality of antennas of the transmitter to transmit power transmission waves to the first wireless power receiver coupled;generate a first set of two or more power transmission waves that are transmitted with the first set of the plurality of antennas so that the first set of two or more power transmission waves form controlled constructive interference patterns that converge at the location of the first wireless power receiver. 11. The system of claim 10, wherein antennas of the first set of the plurality of antennas are configured to operate in frequency bands of 900 MHz, 2.5 GHz, or 5.8 GHz. 12. The system of claim 10, wherein a respective polarization for each antenna of the plurality of antennas is a vertical polarization, horizontal polarization, circular polarization, left hand polarization, right hand polarization, or a combination of polarizations. 13. The system of claim 10, wherein the plurality of antennas transmit radio frequency (RF) power waves. 14. The system of claim 10, wherein the transmitter is further configured to: determine whether a second wireless power receiver coupled to a second electronic device is within range of the transmitter;transmit a third communication signal to the second wireless power receiver to request a location of the second wireless power receiver relative to the transmitter; andreceive, from the second wireless power receiver, information used to identify the location of the second wireless power receiver. 15. The system of claim 14, wherein the transmitter is further configured to: assign the second set of the plurality of antennas of the transmitter to transmit power transmission waves to the second wireless power receiver. 16. The system of claim 15, wherein the transmitter is further configured to: generate a second set of two or more power transmission waves that are transmitted with the second set of the plurality of antennas so that the second set of two or more power transmission waves form controlled constructive interference patterns that converge at the location of the second wireless power receiver. 17. The system of claim 15, wherein antennas of the second set of the plurality of antennas are configured to operate in frequency bands of 900 MHz, 2.5 GHz, or 5.8 GHz. 18. The system of claim 15, wherein the first set of the plurality of antennas and the second set of plurality of antennas of the transmitter operate in different frequency bands. 19. A non-transitory computer-readable storage medium comprising executable instructions that, when executed by a processor that is coupled with a transmitter, cause the transmitter to: determine whether a first wireless power receiver coupled to a first electronic device is within range of the transmitter;transmit a first communication signal to the first wireless power receiver, the first communication signal including a request for information used to determine a location of the first wireless power receiver relative to the transmitter;receive a second communication signal from the first wireless power receiver, the second communication signal including information used to identify the location of the first wireless power receiver;based at least in part on the location of the first wireless power receiver coupled to the first electronic device: split, by the transmitter, a plurality of antennas of the transmitter into at least a first set and a second set; andassign the first set of the plurality of antennas of the transmitter to transmit power transmission waves to the first wireless power receiver coupled;generate a first set of two or more power transmission waves that are transmitted with the first set of the plurality of antennas so that the first set of two or more power transmission waves form controlled constructive interference patterns that converge at the location of the first wireless power receiver. 20. The non-transitory computer-readable storage medium of claim 19, comprising further executable instructions that cause the transmitter to: assign the second set of the plurality of antennas of the transmitter to transmit power transmission waves to a second wireless power receiver based on a location of the second wireless power receiver.
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