Wireless energy transfer for computer peripheral applications
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01F-037/00
H01F-038/00
출원번호
US-0612880
(2009-11-05)
등록번호
US-8400017
(2013-03-19)
발명자
/ 주소
Kurs, Andre B.
Karalis, Aristeidis
Kesler, Morris P.
Campanella, Andrew J.
Hall, Katherine L.
Kulikowski, Konrad J.
Li, Qiang
Soljacic, Marin
출원인 / 주소
WiTricity Corporation
대리인 / 주소
GTC Law Group LLP & Affiliates
인용정보
피인용 횟수 :
153인용 특허 :
117
초록▼
Described herein are improved configurations for wireless power transfer for computer peripherals, including a source magnetic resonator, integrated into a source station and connected to a power source and power and control circuitry; a device magnetic resonator, integrated into a computer peripher
Described herein are improved configurations for wireless power transfer for computer peripherals, including a source magnetic resonator, integrated into a source station and connected to a power source and power and control circuitry; a device magnetic resonator, integrated into a computer peripheral; wherein power is transferred non-radiatively from the source magnetic resonator to the device magnetic resonator, and where the quality factors of the source and device resonators, Qs and Qd, satisfy the relationship, √{square root over (QsQd)}100.
대표청구항▼
1. A wireless power transfer system for computer peripherals, comprising: a source magnetic resonator, integrated into a source station and connected to a power source and power and control circuitry;a device magnetic resonator, integrated into a computer peripheral;at least one additional device ma
1. A wireless power transfer system for computer peripherals, comprising: a source magnetic resonator, integrated into a source station and connected to a power source and power and control circuitry;a device magnetic resonator, integrated into a computer peripheral;at least one additional device magnetic resonator, integrated into at least one additional computer peripheral;at least one additional source magnetic resonator integrated into the source station and connected to the power and control circuitry;wherein power is transferred non-radiatively from the source magnetic resonator to the device magnetic resonator, and the quality factors of the source and device resonators, Qs and Qd, satisfy the relationship, √{square root over (QsQd)}>100. 2. The system of claim 1, wherein the at least one computer peripheral is powered directly by the energy transferred to its device magnetic resonator. 3. The system of claim 1, wherein the at least one computer peripheral includes at least one rechargeable battery that is charged by the wireless power transfer system. 4. The system of claim 1, wherein the at least one computer peripheral includes at least one energy storage unit that is energized by the wireless power transfer system. 5. The system of claim 4, wherein the said power transfer is configured to be active when the computer peripherals are not in use. 6. The system of claim 4, wherein the said power transfer is configured to be active when the source station computer is inactive. 7. The system of claim 1, wherein the at least one computer peripheral includes at least one super capacitor that is charged by the wireless power transfer system. 8. The system of claim 1, wherein at least one of the said magnetic resonators is a planar resonator comprising at least one electrical conductor wrapped around a core of magnetic material. 9. The system of clam 1, further comprising at least one passive magnetic resonator used to enhance the power transfer of the system. 10. The system of claim 1, further comprising at least one passive magnetic resonator used to extend the distance of power transfer of the system. 11. The system of claim 1, wherein at least one of the computer peripherals is a computer keyboard. 12. The system of claim 1, wherein at least one of the computer peripherals is a computer mouse. 13. The system of claim 1, wherein the source station is an all-in-one computer. 14. The system of claim 13, wherein the power source of the source power and control circuitry is powered from the USB port of the computer. 15. The system of claim 13, wherein the power source of the source power and control circuitry is powered from an internal connection in the computer. 16. The system of claim 13, further comprising a wireless data communication link between the source and the computer peripherals, wherein power status and control information is transmitted through the said communication link. 17. The system of claim 13, further comprising a means for wireless configuration and monitoring of power levels and active times on the computer. 18. The system of claim 13, wherein the power and control circuitry is integrated into the said computer. 19. The system of claim 18, wherein the said source resonators are attached to the bottom portion of the computer monitor. 20. The system of claim 1, wherein the source station is a computer monitor.
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