Wireless power near-field repeater system that includes metamaterial arrays to suppress far-field radiation and power loss
First Claim
1. A system for wireless power transfer comprising:
- a transmitter comprising;
a transmit resonator configured to couple power from a power source into an oscillating field generated with a reference phase by the transmit resonator resonating at an oscillation frequency, the oscillating field being at least one of an oscillating electric field or an oscillating magnetic field;
one or more repeaters, each at a respective location, each comprising;
a repeat resonator configured to resonate at the oscillation frequency in response to coupling to the oscillating field at the respective location,wherein each of the one or more repeaters is configured to, in response to a coupling resonator resonating at the oscillation frequency, regenerate the oscillating field with a phase shift relative to a phase at the respective location,and wherein the oscillating field at the respective location is at least one of;
the oscillating field generated by the transmit resonator or the oscillating field regenerated by a different repeater of the one or more repeaters; and
at least one receiver, the at least one receiver including;
a receive resonator configured to resonate at the oscillation frequency in response to coupling to the oscillating field,wherein the at least one receiver is configured to, in response to the receive resonator resonating at the oscillation frequency, transfer at least a portion of power of the oscillating field to a load associated with the at least one receiver.
4 Assignments
0 Petitions
Accused Products
Abstract
Embodiments described herein may relate to a system including a transmit resonator configured to couple power from a source into an oscillating field generated with a reference phase by the transmit resonator resonating at an oscillation frequency; one or more repeaters, each at a respective location, each including: a repeat resonator configured to resonate at the oscillation frequency, where each of the one or more repeaters is configured to regenerate the oscillating field with a phase shift relative to a phase at the respective location; and at least one receiver, the at least one receiver including: a receive resonator configured to resonate at the oscillation frequency in response to coupling to the oscillating field, where the at least one receiver is configured to transfer a power of the oscillating field to a load associated with the at least one receiver.
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Citations
20 Claims
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1. A system for wireless power transfer comprising:
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a transmitter comprising; a transmit resonator configured to couple power from a power source into an oscillating field generated with a reference phase by the transmit resonator resonating at an oscillation frequency, the oscillating field being at least one of an oscillating electric field or an oscillating magnetic field; one or more repeaters, each at a respective location, each comprising; a repeat resonator configured to resonate at the oscillation frequency in response to coupling to the oscillating field at the respective location, wherein each of the one or more repeaters is configured to, in response to a coupling resonator resonating at the oscillation frequency, regenerate the oscillating field with a phase shift relative to a phase at the respective location, and wherein the oscillating field at the respective location is at least one of;
the oscillating field generated by the transmit resonator or the oscillating field regenerated by a different repeater of the one or more repeaters; andat least one receiver, the at least one receiver including; a receive resonator configured to resonate at the oscillation frequency in response to coupling to the oscillating field, wherein the at least one receiver is configured to, in response to the receive resonator resonating at the oscillation frequency, transfer at least a portion of power of the oscillating field to a load associated with the at least one receiver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 19)
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12. A method for wireless power transfer comprising:
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coupling power from a power source into an oscillating field generated with a reference phase by a transmit resonator resonating at an oscillation frequency, the oscillating field being at least one of an oscillating electric field or an oscillating magnetic field; causing a respective repeat resonator of each of one or more repeaters, each at a respective location, to resonate at the oscillation frequency in response to coupling to the oscillating field at the respective location; specifying a respective phase shift relative to a phase of the oscillating field at each respective location; regenerating the oscillating field by each of the one or more repeaters in response to the respective coupling resonator resonating at the oscillation frequency, wherein the oscillating field is regenerated with the specified phase shift at the respective location, and wherein the oscillating field at the respective location is at least one of the oscillating field generated by the transmit resonator or the oscillating field regenerated by a different repeater of the one or more repeaters; causing a respective receive resonator of at least one receiver to resonate at the oscillation frequency in response to the receive resonator coupling to the oscillating field at a location of the at least one receiver; and in response to the receive resonator of the at least one receiver resonating at the oscillation frequency, transferring at least a portion of power of the oscillating field to a load associated with the at least one receiver. - View Dependent Claims (13, 14, 15, 16, 17, 18, 20)
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Specification