Tuning Electromagnetic Fields Characteristics for Wireless Energy Transfer Using Arrays of Resonant Objects
First Claim
1. A system for exchanging energy wirelessly, comprising:
- an array of objects, wherein each object is electromagnetic (EM) and non-radiative and generates an EM near-field in response to receiving the energy, wherein each object in the array is electrically isolated from the other objects and arranged at a distance from all other objects;
an energy driver configured to provide the energy to the array of objects;
a receiver, at a relative position with respect to the array, to receive the energy via resonant coupling of evanescent waves;
means for tuning characteristics of the EM near-field depending on a relative position of the receiver with respect to the array.
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Abstract
A system for exchanging energy wirelessly includes an array of objects, wherein each object is electromagnetic (EM) and non-radiative and generates an EM near-field in response to receiving the energy. Each object in the array is electrically isolated from the other objects and arranged at a distance from all other objects. An energy driver provides the energy to the array of objects. A receiver, at a relative position with respect to the array receives the energy via resonant coupling of evanescent waves. The system can tunes characteristics of the EM near-field depending on a relative position of the receiver with respect to the array. The tuning can affect frequency, phase and amplitude of the energy field.
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Citations
21 Claims
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1. A system for exchanging energy wirelessly, comprising:
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an array of objects, wherein each object is electromagnetic (EM) and non-radiative and generates an EM near-field in response to receiving the energy, wherein each object in the array is electrically isolated from the other objects and arranged at a distance from all other objects; an energy driver configured to provide the energy to the array of objects; a receiver, at a relative position with respect to the array, to receive the energy via resonant coupling of evanescent waves; means for tuning characteristics of the EM near-field depending on a relative position of the receiver with respect to the array. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method for exchanging energy wirelessly, comprising the steps of:
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distributing energy to an array of objects, wherein each object is electromagnetic (EM) and non-radiative and generates an EM near-field in response to receiving the energy, wherein each object in the array is electrically isolated from the other objects and arranged at a distance from all other objects; receiving the energy in a receiver at a position relative to the array via resonant coupling of evanescent waves; tuning characteristics of the EM near-field depending on the relative position of the receiver with respect to the array. - View Dependent Claims (20, 21)
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Specification