Abstract: A wireless energy transfer system includes a foreign object debris detection system. The system includes at least one wireless energy transfer source configured to generate an oscillating magnetic field. The foreign object debris may be detected by at least one field gradiometer positioned in the oscillating magnetic field. The voltage of the at least one field gradiometer may be measured using readout circuitry and a feedback loop based on the readings from the gradiometers may be used to control the parameters of the wireless energy source.

Abstract: A wireless power network including multiple electromagnetic resonators each capable of storing electromagnetic energy at a resonant frequency is disclosed. The multiple resonators include: a first resonator configured to be coupled to a power source to receive power from the power source; a second resonator configured to be coupled to a load to provide power to the load, and one or more intermediate resonators. The first resonator is configured to provide power from the power source to the second resonator through the one or more intermediate resonators. At least a first pair of resonators among the multiple resonators is configured to exchange power wirelessly, and at least a second pair of the resonators among the multiple resonators is configured to exchange power through a wired electrically conductive connection.

Abstract: Described herein are improved configurations for a wireless power converter that includes at least one receiving magnetic resonator configured to capture electrical energy received wirelessly through a first oscillating magnetic field characterized by a first plurality of parameters, and at least one transferring magnetic resonator configured to generate a second oscillating magnetic field characterized by a second plurality of parameters different from the first plurality of parameters, wherein the electrical energy from the at least one receiving magnetic resonator is used to energize the at least one transferring magnetic resonator to generate the second oscillating magnetic field.

Abstract: A wireless energy transfer system includes a foreign object debris detection system. The system includes at least one wireless energy transfer source configured to generate an oscillating magnetic field. The foreign object debris may be detected by at least one field gradiometer positioned in the oscillating magnetic field. The voltage of the at least one field gradiometer may be measured using readout circuitry and a feedback loop based on the readings from the gradiometers may be used to control the parameters of the wireless energy source.

Abstract: Described herein are improved configurations for a wireless power transfer. A power source for driving a resonator includes a switching amplifier. The duty cycle of the switching amplifier may be adjusted as well as optionally inductors and/or capacitors of the circuit to improve the efficiency of power transfer from the power source to the resonators when the parameters of the resonant load change.

Abstract: A packaged product includes a product, a product packaging at least partially covering the product, a device resonator integrated with the product packaging for receiving wireless energy from a source resonator and an electrical component coupled to the device resonator to receive the wireless energy from the device resonator.

Abstract: Described herein are improved capabilities for a system and method for wireless energy distribution to a mechanically removable vehicle seat, comprising a source resonator coupled to an energy source of a vehicle, the source resonator positioned proximate to the mechanically removable vehicle seat, the source resonator generating an oscillating magnetic field with a resonant frequency and comprising a high-conductivity material adapted and located between the source resonator and a vehicle surface to direct the oscillating magnetic field away from the vehicle surface, and a receiving resonator integrated into the mechanically removable vehicle seat, the receiving resonator having a resonant frequency similar to that of the source resonator, and receiving wireless energy from the source resonator, and providing power to electrical components integrated with the mechanically removable vehicle seat.

Abstract: The disclosure features apparatus, methods, and systems for wireless power transfer that include a power source featuring at least one resonator, a power receiver featuring at least one resonator, a first detector featuring one or more loops of conductive material and configured to generate an electrical signal based on a magnetic field between the power source and the power receiver, a second detector featuring conductive material, and control electronics coupled to the first and second detectors, where during operation, the control electronics are configured to measure the electrical signal of the first detector and compare the measured electrical signal of the first detector to baseline electrical information for the first detector to determine information about whether debris is positioned between the power source and the power receiver.

Abstract: A wireless energy transfer enabled battery includes a resonator that is positioned asymmetrically in a battery sized enclosure such that when two wirelessly enabled batteries are placed in close proximity the resonators of the two batteries have low coupling.

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: Described herein are improved configurations for a wireless power transfer. The parameters of components of the wireless energy transfer system are adjusted to control the power delivered to the load at the device. The power output of the source amplifier is controlled to maintain a substantially 50% duty cycle at the rectifier of the device.

Abstract: A variable type magnetic resonator includes an array of resonators each having one of at least two substantially different magnetic dipole moment orientations and at least one power and control circuit configured to selectively connect to and energize at least one of the array of resonators.

Abstract: A wireless energy transfer enabled battery includes a resonator that is positioned asymmetrically in a battery sized enclosure such that when two wirelessly enabled batteries are placed in close proximity the resonators of the two batteries have low coupling.

Abstract: Described herein are improved capabilities for a system and method for wireless energy distribution to a mechanically removable vehicle seat, comprising a source resonator coupled to an energy source of a vehicle, the source resonator positioned proximate to the mechanically removable vehicle seat, the source resonator generating an oscillating magnetic field with a resonant frequency and comprising a high-conductivity material adapted and located between the source resonator and a vehicle surface to direct the oscillating magnetic field away from the vehicle surface, and a receiving resonator integrated into the mechanically removable vehicle seat, the receiving resonator having a resonant frequency similar to that of the source resonator, and receiving wireless energy from the source resonator, and providing power to electrical components integrated with the mechanically removable vehicle seat.

Abstract: A packaged product includes a product, a product packaging at least partially covering the product, a device resonator integrated with the product packaging for receiving wireless energy from a source resonator and an electrical component coupled to the device resonator to receive the wireless energy from the device resonator.

Abstract: A wireless energy transfer enabled battery includes a resonator that is positioned asymmetrically in a battery sized enclosure such that when two wirelessly enabled batteries are placed in close proximity the resonators of the two batteries have low coupling.

Abstract: A magnetic resonator includes an inductor comprising a conductive first loop having a first dipole moment and a conductive second loop having a second dipole moment wherein a direction of the first dipole moment is substantially opposite to a direction of the second dipole moment and at least one capacitor in series with at least one of the first loop and the second loop.

Abstract: A power transmitting unit receives, from a power receiving unit, a first out-of-band communication signal identifying the power receiving unit as being available to receive wireless power. The power transmitting unit transmits, to the power receiving unit, a second out-of-band communication signal including a request to transfer useful amounts of wireless power and receives a third out-of-band communication signal including first information about power transfer capability of the power receiving unit. The power transmitting unit transmits, to the power receiving unit, a fourth out-of-band communication signal including second information about power transfer capability of the power transmitting unit, and initiates transmission of the useful amounts of wireless power to the power receiving unit by verifying compatibility of the power transfer capability of the power transmitting unit and the power receiving unit based on the first information and the second information.

Abstract: A tunable resonator assembly includes a resonator coil having an inductance, and a tile residing at a position relative to the resonator coil the position selected to produce a desired change in the inductance of the resonator coil.

Abstract: An enclosed resonator includes a generally planar plate having a top side and a bottom side wherein a pocket is recessed into the bottom side to produce a bottom surface and a periphery around the rectangular pocket including a first pair of parallel sides and a second pair of parallel sides, a plurality of generally parallel channels formed into the top side each channel extending generally in a direction of the second pair of parallel sides, a first plurality of holes extending along a first side of the first pair of parallel sides each hole extending from the bottom side to one of the plurality of generally parallel channels, a second plurality of holes extending along a second side of the first pair of parallel sides each hole extending from the bottom side to one of the plurality of generally parallel channels and a wire having a plurality of loops each loop extending through one of the first plurality of holes, along one of the generally parallel channels and through one of the second plurality of holes