Abstract:
Described herein are improved configurations for a wireless power transfer for electronic devices that include at least one source magnetic resonator including a capacitively-loaded conducting loop coupled to a power source and configured to generate an oscillating magnetic field and at least one device magnetic resonator, distal from said source resonators, comprising a capacitively-loaded conducting loop configured to convert said oscillating magnetic fields into electrical energy, wherein at least one said resonator has a keep-out zone around the resonator that surrounds the resonator with a layer of non-lossy material.
Abstract:
A bag for wireless energy transfer comprising a compartment for storing an electronic device enabled for wireless energy transfer, and at least one magnetic resonator positioned for wireless energy transfer to the electronic device, wherein a the at least one magnetic resonator optionally operates in one of three modes: (1) as a repeater resonator to extend the energy transfer to the electronic device from an external wireless energy source, (2) as a source resonator transferring energy from a battery in the bag to the electronic device, and (3) as an energy capture resonator receiving wireless energy from an external source to recharge a battery in the bag.
Abstract:
Described herein are improved configurations for a resonator enclosure for wireless high power transfer that includes a support plate, a sheet of good conductor positioned on one side of the support plate, a separator piece for maintaining a separation distance between the resonator and the sheet of good conductor, and a cover of a non-lossy material covering the resonator, the separator, the sheet of good conductor and attached to the support plate, wherein the size of the sheet of good conductor is larger than the size of the resonator.
Abstract:
In embodiments of the present invention improved capabilities are described for a method and system comprising a first resonator coupled to an energy source generating a field having magnetic material, and a second resonator located a variable distance from the source resonator having magnetic material and not connected by any wire or shared magnetic material to the first resonator, where the source resonator and the second resonator are coupled to provide near-field wireless energy transfer among the source resonator and the second resonator, and where the field of at least one of the source resonator and the second resonator is shaped using magnetic materials to increase the coupling factor among the resonators.
Abstract:
In embodiments of the present invention improved capabilities are described for a method and system comprising a source resonator optionally coupled to an energy source and a second resonator located a distance from the source resonator, where the source resonator and the second resonator are coupled to provide near-field wireless energy transfer among the source resonator and the second resonator and where a loss inducing object is positioned to minimize loss in at least one resonator.
Abstract:
A method includes providing a source resonator including a first conductive loop in parallel with a first capacitive element and in series with a first adjustable element the source resonator having a source target impedance, providing a plurality of device resonators each including a conductive loop and having a device target impedance, connecting, for each of the plurality of device resonators, a resistor corresponding to the device target impedance in series with the conductive loop of each of the plurality of device resonators, connecting a network analyzer in series with the first conductive loop and adjusting at least one of the first capacitive element and the first adjustable element until a measured impedance of the source resonator is within a predetermined range of the source target impedance.
Abstract:
A mobile wireless receiver for use with a first electromagnetic resonator coupled to a power supply includes a load associated with a movable lighting unit, the load adapted to provide electrical energy to the lighting unit, a second electromagnetic resonator configured to be coupled to the load and moveable relative to the first electromagnetic resonator, wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator, and wherein the second electromagnetic resonator is configured to be tunable during system operation so as to at least one of tune the power provided to the second electromagnetic resonator and tune the power delivered to the load.
Abstract:
A mobile wireless receiver for use with a first electromagnetic resonator coupled to a power supply includes, a load associated with a sensor and configured to power a sensor, and a second electromagnetic resonator configured to be coupled to the load and moveable relative to the first electromagnetic resonator, wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator, and wherein the second electromagnetic resonator is configured to be tunable during system operation so as to at least one of tune the power provided to the second electromagnetic resonator and tune the power delivered to the load.
Abstract:
In embodiments of the present invention improved capabilities are described for a method and system comprising a first resonator optionally coupled to an energy source and a second resonator located a variable distance from the source resonator and not connected by any wires to the first resonator, where the first resonator and the second resonator are coupled to provide near-field wireless energy transfer among the first resonator and the second resonator, and where the field of at least one of the first resonator and the second resonator is shaped to increase the coupling factor among the resonators.
Abstract:
In embodiments of the present invention improved capabilities are described for a method and system comprising a source resonator optionally coupled to an energy source and a second resonator located a distance from the source resonator, where the source resonator and the second resonator are coupled to provide near-field wireless energy transfer among the source resonator and the second resonator, and where the field of at least one of the source resonator and the second resonator is shaped using conducting surfaces to increase the coupling factor among the resonators.