METHOD AND APPARATUS FOR 3D ORIENTATION-FREE WIRELESS POWER TRANSFER
First Claim
1. An apparatus, comprising:
- a transmit resonator array including at least two loop resonators configured to generate a non-radiative magnetic field in the near-field zone, the at least two loop resonators disposed such that the magnetic field produced by each in the near-field zone, is substantially orthogonal to that produced by the other at a certain or specific portion of the zone; and
a power divider configured to split a signal into at least two sub-signals being fed to the at least two loop resonators, with weighting coefficients.
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Accused Products
Abstract
A transmit resonator includes at least two loop resonators, disposed in such that the magnetic field produced by each in the near-field zone is substantially orthogonal to that produced by the other at a certain or specific portion of the zone, a power divider configured to split a signal into at least two sub-signals with weighting coefficients, a delay array configured to delay the at least one of the sub-signals and feed each of the sub-signals to each of the loop resonators, and a controller to configure the delay array to control the polarization of the near zone magnetic field. A communication module to receive feedback information from a receiver, to determine the phases of at least two sub-signals to generate a near zone magnetic field optimized for the receiver.
34 Citations
21 Claims
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1. An apparatus, comprising:
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a transmit resonator array including at least two loop resonators configured to generate a non-radiative magnetic field in the near-field zone, the at least two loop resonators disposed such that the magnetic field produced by each in the near-field zone, is substantially orthogonal to that produced by the other at a certain or specific portion of the zone; and a power divider configured to split a signal into at least two sub-signals being fed to the at least two loop resonators, with weighting coefficients. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An apparatus, comprising:
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a receive resonator array including at least two loop resonators configured to resonate in the presence of an external non-radiative magnetic field, the at least two loop resonators being disposed in such that the magnetic field received by each is substantially orthogonal to that received by the other; and a power combiner configured to combine sub-signals received from the at least two loop resonators. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method, comprising:
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generating, with at least two loop resonators, a non-radiative magnetic field in the near-field zone, the at least two loop resonators disposed in such that the magnetic field produced by each is substantially orthogonal to that produced by the other at a certain or specific portion of the zone; shifting phases of the signals in the at least one of the two loop resonators in order to optimize the received power with respect to polarization of the near zone magnetic field; and combining sub-signals generated from the at least two loop resonators. - View Dependent Claims (21)
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Specification