WIRELESS ENERGY TRANSFER
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0 Petitions
Accused Products
Abstract
Disclosed is an apparatus for use in wireless energy transfer, which includes a first resonator structure configured to transfer energy non-radiatively with a second resonator structure over a distance greater than a characteristic size of the second resonator structure. The non-radiative energy transfer is mediated by a coupling of a resonant field evanescent tail of the first resonator structure and a resonant field evanescent tail of the second resonator structure.
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Citations
136 Claims
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1-73. -73. (canceled)
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74. A wireless charging apparatus, comprising:
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a plurality of magnetic resonator circuits spatially arranged and each including a magnetic resonator to resonate and generate a near field coupling mode region thereabout in response to a driving signal from an oscillating circuit; and a control circuit to control the driving of the resonance of each of the plurality of magnetic resonator circuits. - View Dependent Claims (75, 76, 77, 78, 79, 80, 81, 82)
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83. A wireless charging method, comprising:
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providing a driving signal from a power amplifier; and controlling tuning of the resonance of a plurality of resonator circuits spatially arranged and each including a resonator to resonate in response to the driving signal. - View Dependent Claims (84, 85, 86, 87, 88, 89, 90)
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91. A wireless charging apparatus, comprising:
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a power amplifier for generating at least one driving signal at a resonance frequency; a plurality of resonator circuits spatially arranged and each including a resonator to resonate at the resonant frequency and generate a near field coupling mode region thereabout; and a control circuit to control the at least one driving signal. - View Dependent Claims (92, 93, 94)
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95. A method for wireless charging, comprising:
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generating a driving signal at a resonance frequency; and providing the driving signal to one of a plurality of resonator circuits spatially arranged and each including a resonator to resonate at the resonant frequency and generate a near field coupling mode region thereabout. - View Dependent Claims (96, 97, 98)
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99. A wireless charging apparatus, comprising:
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means for providing a driving a signal from a power amplifier; and means for controlling the resonance of a plurality of resonator circuits spatially arranged and each including a resonator to resonate in response to the driving signal. - View Dependent Claims (100, 101, 102, 103, 104, 105, 106)
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- 107. An apparatus, comprising a high-Q repeater resonator comprising a loop inductor and a capacitive element for coupling with a magnetic near field generated by a high-Q source resonator when the repeater resonator is disposed in a coupling mode region of the source resonator, wherein the repeater enhances the magnetic near field about the repeater resonator with an enhanced coupling mode region stronger than the coupling mode region of the source resonator alone.
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113. A wireless power transfer system, comprising:
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a transmit circuit including a source resonator to generate a magnetic near field at a resonant frequency within a first coupling mode region thereabout in response to a driving signal from a power amplifier; a repeater resonator to generate an enhanced magnetic near field at the resonant frequency within a second coupling mode region thereabout when the repeater resonator is disposed within the first coupling mode region; and a receive circuit including a receive resonator for receiving power from at least one of the near field and the enhanced near field radiation when disposed within the second coupling mode region and wherein at least two of the source resonator, the repeater resonator and the receive resonator are high-Q resonators. - View Dependent Claims (114, 115, 116, 117, 118, 119, 120)
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121. A wireless charging method, comprising:
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generating a magnetic near field at a resonant frequency within a first coupling mode region with a source resonator; enhancing the near field to generate an enhanced near field at the resonant frequency within a second coupling mode region with a repeater resonator disposed within the first coupling mode region; and receiving power from at least one of the near field radiation and the enhanced near field radiation with a receive resonator disposed within the second coupling mode region, and wherein at least two of the source resonator, the repeater resonator and the receive resonator are high-Q resonators. - View Dependent Claims (122, 123, 124, 125, 126, 127, 132, 135, 136)
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128. A wireless power transfer system, comprising:
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a transmit circuit including a source resonator to generate a magnetic near field at a resonant frequency within a first coupling mode region thereabout in response to a driving signal from a power amplifier; a plurality of repeater resonators, each repeater resonator of the plurality to generate an enhanced near field at the resonant frequency within a corresponding coupling mode region, wherein each repeater resonator of the plurality is disposed at a different location within the first coupling mode region; and a plurality of receive circuits, each receive circuit including a receive resonator for receiving power from at least one enhanced near field radiation from at least one of the plurality of repeater resonators, wherein at least two of the source resonator, the plurality of repeater resonators, and the receive resonator is a high-Q resonator. - View Dependent Claims (129, 130, 131, 133, 134)
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Specification