Receiver device with antennas positioned in gaps
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02J-007/00
H02J-007/02
H02J-007/04
H04W-008/00
H04B-005/00
H02J-050/20
출원번호
US-0046131
(2016-02-17)
등록번호
US-10186892
(2019-01-22)
발명자
/ 주소
Hosseini, Alister
Leabman, Michael A.
출원인 / 주소
Energous Corporation
대리인 / 주소
Morgan, Lewis & Bockius LLP
인용정보
피인용 횟수 :
0인용 특허 :
197
초록▼
A receiver device including a housing that defines (i) a first gap within a first half of the housing and (ii) a second gap within a second half of the housing, where the housing includes a radio-frequency-reflective material, and the gaps are filled with a radio-frequency-transparent material. The
A receiver device including a housing that defines (i) a first gap within a first half of the housing and (ii) a second gap within a second half of the housing, where the housing includes a radio-frequency-reflective material, and the gaps are filled with a radio-frequency-transparent material. The receiver device further includes two antennas housed in the housing, each of the two antennas being configured to receive radio frequency (RF) wireless charging signals transmitted by a transmitter that enter the housing via the gaps. A first of the two antennas is positioned adjacent to and substantially within the first gap, and a second of the two antennas is positioned adjacent to and substantially within the second gap. The receiver device further includes circuitry housed in the housing and electrically coupled with the two antennas, the circuitry being configured to rectify the received RF wireless signals to produce a rectified signal.
대표청구항▼
1. A receiver device for receiving wirelessly delivered power, the receiver device comprising: a housing that defines (i) a first gap within a first half of the housing and (ii) a second gap within a second half of the housing, wherein: the housing includes a radio-frequency-reflective material; and
1. A receiver device for receiving wirelessly delivered power, the receiver device comprising: a housing that defines (i) a first gap within a first half of the housing and (ii) a second gap within a second half of the housing, wherein: the housing includes a radio-frequency-reflective material; andthe first and second gaps are filled with a radio-frequency-transparent material;two wireless-power-receiving antennas housed in the housing, each of the two wireless-power-receiving antennas being configured to receive radio frequency (RF) wireless charging signals transmitted by a near-field transmitter that enter the housing via the first and second gaps, wherein: a first of the two wireless-power-receiving antennas is positioned adjacent to and substantially within the first gap; anda second of the two wireless-power-receiving antennas is positioned adjacent to and substantially within the second gap; andpower conversion circuitry housed in the housing and electrically coupled with the two wireless-power-receiving antennas, the power conversion circuitry being configured to rectify the received RF wireless charging signals to produce a rectified electrical signal,wherein the receiver device uses energy from the rectified electrical signal to charge a battery of the receiver device or provide power to the receiver device. 2. The receiver device of claim 1, wherein the receiver device is configured to receive the RF wireless charging signals when the receiver device is positioned within a near-field distance from the near-field transmitter. 3. The receiver device of claim 2, wherein the near-field transmitter is configured to leak the RF wireless charging signals into a space between the receiver device and the near-field transmitter when the receiver device is positioned within the near-field distance from the near-field transmitter. 4. The receiver device of claim 1, wherein: the housing includes opposing first and second surfaces; andthe second surface of the housing defines the first and second gaps. 5. The receiver device of claim 4, wherein: the first gap extends substantially across the second surface; andthe second gap extends substantially across the second surface. 6. The receiver device of claim 5, wherein: the receiver device is positioned on a surface of the near-field transmitter, such that the second surface of the housing is opposite to and parallel with the surface of the near-field transmitter; andthe receiver device is configured to receive the RF wireless charging signals transmitted by the near-field transmitter after the RF wireless charging signals: (i) traverse between the second surface of the housing and the surface of the near-field transmitter, and(ii) enter the housing via the first gap and/or the second gap to be received by one or more of the two wireless-power-receiving antennas. 7. The receiver device of claim 6, wherein the RF wireless charging signals transmitted by the near-field transmitter enter the housing via the first gap and/or the second gap when the first gap and/or the second gap is/are positioned within a perimeter of the surface of the near-field transmitter. 8. The receiver device of claim 1, wherein the radio-frequency-transparent material is a plastic or a glass. 9. The receiver device of claim 1, wherein the radio-frequency-reflective material is a metal. 10. The receiver device of claim 1, wherein: the first and second gaps each have a width; andthe first and second wireless-power-receiving antennas each have a height that substantially matches the width of the first and second gaps. 11. A method of receiving wireless power from a transmitter, the method comprising: at a receiver device comprising a housing, two wireless-power-receiving antennas housed in the housing, and power conversion circuitry housed in the housing and electrically coupled with the two wireless-power-receiving antennas, the housing defining (i) a first gap within a first half of the housing and (ii) a second gap within a second half of the housing: receiving, by one or more of the two wireless-power-receiving antennas, radio frequency (RF) wireless charging signals transmitted by a near-field transmitter that enter the housing via one or more of the first and second gaps, wherein: the housing includes a radio-frequency-reflective material and the first and second gaps are filled with a radio-frequency-transparent material;a first of the two wireless-power-receiving antennas is positioned adjacent to and substantially within the first gap; anda second of the two wireless-power-receiving antennas is positioned adjacent to and substantially within the second gap; andrectifying the received RF wireless charging signals to produce a rectified electrical signal, wherein the receiver device uses energy from the rectified electrical signal to charge a battery of the receiver device or provide power to the receiver device. 12. The method of claim 11, wherein the RF wireless charging signals are received by the receiver device when the receiver device is positioned within a near-field distance from the near-field transmitter. 13. The method of claim 12, wherein the RF wireless charging signals leak into a space between the receiver device and the near-field transmitter when the receiver device is positioned within the near-field distance from the near-field transmitter. 14. The method of claim 11, wherein: the housing includes opposing first and second surfaces; andthe second surface of the housing defines the first and second gaps. 15. The method of claim 14, wherein: the first gap extends substantially across the second surface; andthe second gap extends substantially across the second surface. 16. The method of claim 15, wherein: the receiver device is positioned on a surface of the near-field transmitter, such that the second surface of the housing is opposite to and parallel with the surface of the near-field transmitter; andthe RF wireless charging signals transmitted by the near-field transmitter: (i) traverse between the second surface of the housing and the surface of the near-field transmitter, and(ii) enter the housing via the first gap and/or the second gap to be received by one or more of the two wireless-power-receiving antennas. 17. The method of claim 16, wherein the RF wireless charging signals transmitted by the near-field transmitter enter the housing via the first gap and/or the second gap when the first gap and/or the second gap is/are positioned within a perimeter of the surface of the near-field transmitter. 18. The method of claim 11, wherein the radio-frequency-transparent material is a plastic or a glass. 19. The method of claim 11, wherein the radio-frequency-reflective material is a metal. 20. The method of claim 11, wherein: the first and second gaps each have a width; andthe first and second wireless-power-receiving antennas each have a height that substantially matches the width of the first and second gaps.
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