Described herein are systems for wireless energy transfer distribution over a defined area. Energy may be distributed over the area via a plurality of repeater, source, and device resonators. The resonators within the area may be tunable and the distribution of energy or magnetic fields within the a
Described herein are systems for wireless energy transfer distribution over a defined area. Energy may be distributed over the area via a plurality of repeater, source, and device resonators. The resonators within the area may be tunable and the distribution of energy or magnetic fields within the area may be configured depending on device position and power needs.
대표청구항▼
1. A system for wireless energy distribution over an area, the system comprising: a source resonator coupled to an energy source and generating an oscillating magnetic field with a driving frequency;a repeater resonator positioned in the area and in proximity to the source resonator, and the repeate
1. A system for wireless energy distribution over an area, the system comprising: a source resonator coupled to an energy source and generating an oscillating magnetic field with a driving frequency;a repeater resonator positioned in the area and in proximity to the source resonator, and the repeater resonator having a resonant frequency; andat least two other repeater resonators positioned in the area, each of the at least two other repeater resonators positioned in proximity to at least one other repeater resonator, and each of the at least two other repeater resonators having a resonant frequency;wherein the source resonator is configured to wirelessly transfer power through the repeater resonators in the area; andwherein the system is configured to detune the resonant frequency of at least one of the repeater resonators from the driving frequency of the source resonator to adjust a power distribution in the area. 2. The system of claim 1 further comprising at least one additional source resonator that generates an oscillating magnetic field with the driving frequency. 3. The system of claim 2, wherein the relative phase of the oscillating fields generated by different source resonators of the system is adjustable. 4. The system of claim 1, wherein at least one of the repeater resonators comprises a capacitively loaded conducting loop. 5. The system of claim 1, wherein at least one of the repeater resonators comprises control circuitry and a variable capacitor, and the control circuitry is configured to adjust the variable capacitor to change the resonant frequency of the at least one of the repeater resonators. 6. The system of claim 5, wherein the system is configured to detune the resonant frequency of the at least one of the repeater resonators by adjusting the variable capacitor to increase a power distribution in a region of the area. 7. The system of claim 6, wherein the detuning the at least one of the repeater resonators is performed according to a routing algorithm. 8. The system of claim 5, further comprising a communication channel between the resonators of the system. 9. The system of claim 8, wherein the communication channel is used to coordinate detuning of the repeater resonators of the system by adjusting variable capacitors of the repeater resonators to adjust the power distribution. 10. The system of claim 1, wherein at least one of the repeater resonators have a quality factor Q>100. 11. The system of claim 1, wherein at least one of the repeater resonators comprises a pressure sensor and wherein the at least one of the repeater resonators is configured to change an operating parameter of the at least one of the repeater resonators based on an output from the pressure sensor to change the power distribution. 12. The system of claim 1, wherein the defined area is a floor. 13. The system of claim 12, wherein the resonators are integrated into flooring material. 14. The system of claim 8, wherein the communication channel is based on communication selected from the group consisting of WiFi, Bluetooth and near field communication. 15. The system of claim 9, wherein: each control circuitry of the repeater resonators is configured to send status information to control circuitry of the source resonator; andthe control circuitry of the source resonator is configured to calculate operating information for each of the repeater resonators and send the operating information used for adjusting the power distribution to the control circuitry of each of the repeater resonators through the communication channel. 16. The system of claim 9, wherein each control circuitry of the repeater resonators is configured to send its status information to control circuitry of other repeater resonators through the communication channel, and the status information is used to coordinate the detuning of the repeater resonators of the system. 17. A wireless energy transfer flooring system comprising: a least one source resonator coupled to an energy source and generating an oscillating magnetic field with a frequency,a repeater resonator positioned in an area and in proximity to the source resonator, and the repeater resonator having a tunable resonant frequency; andat least two other repeater resonators positioned in the area, each of the at least two other repeater resonators in proximity to at least one other repeater resonator, and each of the at least two other repeater resonators having a tunable resonant frequency;wherein the system is configured to detune the resonant frequency of at least one of the repeater resonators from the frequency of the oscillating magnetic field of the at least one source resonator to adjust the power distribution in the area. 18. The system of claim 17, further comprising a communication channel between the resonators of the system. 19. The system of claim 18, wherein the communication channel is used to coordinate detuning of the repeater resonators of the system by adjusting variable capacitors of the repeater resonators to adjust the power distribution. 20. The system of claim 17, wherein the resonators are integrated into flooring material. 21. The system of claim 17, wherein the relative phase of the oscillating fields generated by different source resonators of the system is adjustable. 22. The system of claim 17, wherein the system is configured to detune the resonant frequency of one or more of the repeater resonators by adjusting variable capacitors of the one or more of the repeater resonators to increase a power distribution in a region of the area. 23. The system of claim 17, wherein the detuning the resonant frequency of at least one of the repeater resonators is performed according to a routing algorithm. 24. The system of claim 17, wherein at least one of the repeater resonators comprises a pressure sensor and wherein the at least one of the repeater resonators is configured to change an operating parameter of the at least one of the repeater resonators based on an output from the pressure sensor to adjust the power distribution. 25. A method of distributing wireless energy, the method comprising: transferring power from a source resonator to a repeater resonator;transferring power from the repeater resonator to one or more repeater resonators;transferring power from the one or more repeater resonators to at least one device resonator through at least one other repeater resonator; anddetuning a resonant frequency of at least one of the repeater resonators to adjust a power distribution in an areawherein the source and repeater resonators are positioned in the area. 26. The method of claim 25, further comprising: determining a region of the area; andincreasing a power distribution in the region by detuning the resonant frequency of at least one of the repeater resonators by adjusting a variable capacitor of the at least one of the repeater resonators. 27. The method of claim 25, further comprising: wirelessly receiving information from each of the repeater resonators through a communication channel;calculating a power distribution based on the received information to generate output information; andwirelessly communicating the output information to the repeater resonators through the communication channelwherein the detuning the resonant frequency of the at least one of the repeater resonators comprises adjusting a variable capacitor of the least one of the repeater resonators based on the output information. 28. The method of claim 25, further comprising changing an operating parameter of at least one of the repeater resonators based on an output from a pressure sensor of the at least one of the repeater resonators to adjust the power distribution.
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