Transmitter board allowing for modular antenna configurations in wireless power transmission systems
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01F-027/42
H01F-037/00
H01F-038/00
H02J-050/20
H02J-007/02
H01Q-001/02
출원번호
US-0059407
(2016-03-03)
등록번호
US-10263476
(2019-04-16)
발명자
/ 주소
Leabman, Michael A.
출원인 / 주소
Energous Corporation
대리인 / 주소
Morgan, Lewis & Bockius LLP
인용정보
피인용 횟수 :
0인용 특허 :
202
초록▼
A transmitter including a transmitter board comprising multiple electrical ports, each port configured to: receive any of a plurality of antenna boards, and provide electrical signals to a received antenna board. Each respective antenna board comprises antenna elements configured to transmit radio f
A transmitter including a transmitter board comprising multiple electrical ports, each port configured to: receive any of a plurality of antenna boards, and provide electrical signals to a received antenna board. Each respective antenna board comprises antenna elements configured to transmit radio frequency (RF) power waves using the provided signal. The transmitter board further includes a processor configured to: determine whether antenna boards are connected to respective ports of the multiple electrical ports, and after determining that a respective antenna board has been received at a respective port: (i) instruct the transmitter board to provide, via the respective electrical port, electrical signals to the antenna board, and (ii) control transmission of RF waves by antenna elements of the respective antenna board to cause each of the RF waves to constructively interfere with at least one other RF wave at a receiver device located within a transmission field of the transmitter.
대표청구항▼
1. A transmitter of a wireless power transmission system comprising: a transmitter board comprising a plurality of electrical ports, each respective electrical port being configured to: receive any one of a plurality of antenna boards, andprovide electrical signals to a received antenna board, where
1. A transmitter of a wireless power transmission system comprising: a transmitter board comprising a plurality of electrical ports, each respective electrical port being configured to: receive any one of a plurality of antenna boards, andprovide electrical signals to a received antenna board, wherein each respective antenna board comprises antenna elements configured to transmit radio frequency (RF) power waves using the provided electrical signal; anda processor configured to: determine whether antenna boards of the plurality of antenna boards are connected to respective electrical ports of the plurality of electrical ports, andafter determining that a respective antenna board of the plurality of antenna boards has been received at a respective electrical port: instruct the transmitter board to provide, via the respective electrical port, electrical signals to the respective antenna board; andcontrol transmission of RF power waves by respective antenna elements of the respective antenna board to cause each of the RF power waves to constructively interfere with at least one other RF power wave of the RF power waves at a receiver device located within a transmission field of the transmitter, wherein energy from the RF power waves is used by the receiver device to power and/or charge the receiver device. 2. The transmitter according to claim 1, wherein the respective antenna board comprises a complimentary port that is connected to the respective electrical port of the plurality of electrical ports. 3. The transmitter according to claim 1, further comprising a locking mechanism configured to hold the respective antenna board connected to the respective electrical port of the plurality of electrical ports. 4. The transmitter according to claim 1, wherein the respective antenna board frictionally engages to the respective electrical port of the plurality of electrical ports. 5. The transmitter according to claim 1, wherein: the respective antenna elements of the respective antenna board are made of ceramic, andthe ceramic is alumina. 6. The transmitter according to claim 1, wherein an antenna element of the respective antenna elements of the respective antenna board is a resonator element configured to radiate an RF power wave of the RF power waves, and a substrate is embedding the resonator element. 7. The transmitter according to claim 1, wherein: a casting of a dielectric is embedding the respective antenna elements of the respective antenna board, andthe casting is silicon. 8. The transmitter according to claim 1, wherein: each antenna element of the respective antenna elements of the respective antenna board comprises an antenna mount defining an opening configured to operate as a resonator for transmitting the RF power waves, andthe resonator is configured as a Yagi antenna. 9. The transmitter according to claim 1, wherein: an antenna element of the respective antenna elements of the respective antenna board is a patch antenna. 10. The transmitter according to claim 1, wherein: an antenna element of the respective antenna elements of the respective antenna board comprises a plurality of horizontal resonator elements. 11. The transmitter according to claim 10, wherein each horizontal resonator element is planar, vertically aligned, and substantially parallel with at least one other horizontal resonator element. 12. A method performed by a processor of a transmitter of a wireless power transmission system, the method comprising: identifying, by a processor of a transmitter board having a plurality of electrical ports each configured to receive any one of a plurality of antenna boards, that a first antenna board of the plurality of antenna boards is connected to a first electrical port of the plurality of electrical ports, wherein each respective antenna board comprises antenna elements configured to transmit radio frequency (RF) power waves;selectively activating, by the processor, the first antenna board connected to the first electrical port, by instructing the transmitter board to provide, via the first electrical port, electrical signals to the first antenna board, wherein respective antenna elements of the first antenna board use the electrical signals to transmit RF power waves; andcontrolling, by the processor, transmission of the RF power waves via the respective antenna elements of the first antenna board to cause each of the RF power waves to constructively interfere with at least one other RF power wave of the RF power waves at a receiver device located within a transmission field of the transmitter, wherein energy from the RF power waves is used by the receiver device to power and/or charge the receiver device. 13. The method according to claim 12, further comprising automatically detecting, by the processor, a new antenna board of the plurality of antenna boards connected to an empty electrical port of the plurality of electrical ports. 14. The method according to claim 12, wherein: antenna switches of the first antenna board are connected to each antenna element of the antenna elements, andone or more filters are connected to the antenna switches. 15. The method according to claim 12, wherein the first antenna board comprises a complimentary port that is connected to the first electrical port of the plurality of electrical ports. 16. The method according to claim 12, wherein the transmitter comprises a locking mechanism configured to hold the first antenna board connected to the first electrical port of the plurality of electrical ports. 17. The method according to claim 12, wherein the first antenna board frictionally engages to the first electrical port of the plurality of electrical ports. 18. The method according to claim 12, wherein: the respective antenna elements of the first antenna board are made of ceramic, andthe ceramic is alumina. 19. The method according to claim 12, wherein an antenna element of the respective antenna elements of the first antenna board is a resonator element configured to radiate an RF power wave of the RF power waves, and a substrate is embedding the resonator element. 20. The transmitter according to claim 1, further comprising a communications component and/or one or more sensors configured to obtain information indicating a location of the receiver device. 21. The transmitter according to claim 20, wherein the processor is configured to: determine that the receiver device is located within the transmission field of the transmitter based on the information obtained by the communications component and/or the one or more sensors; andinstruct the transmitter board to provide, via the respective electrical port, the electrical signals to the respective antenna board after determining that the receiver device is located within the transmission field of the transmitter. 22. The transmitter according to claim 20, wherein the processor is further configured to selectively activate one or more of the plurality of electrical ports based, at least in part, on the location of the receiver device.
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