Abstract: Described herein are improved configurations for a wireless power transfer involving photovoltaic panels. Described are methods and designs that use electric energy from a photovoltaic module to energize at least one wireless energy source to produce an oscillating magnetic field for wireless energy transfer. The source may be configured and tuned to present an impedance to a photovoltaic module wherein said impedance enables substantial extraction of energy from said photovoltaic module.

Abstract: A wireless power supply includes a source magnetic resonator, connected to a power source and configured to exchange power wirelessly via a wireless power transfer signal with at least one device magnetic resonator integrated into at least one peripheral component of a computer and a processor configured to adjust the operating point of the wireless power supply wherein power is transferred non-radiatively from the wireless power supply to the at least one device magnetic resonator and wherein the power supply forms a part of the computer.

Abstract: Wireless power transfer system include: a seat configured to support a human and including a first resonator featuring a conductive coil formed by a plurality of loops that each encircle a common first axis, a layer of magnetic material, and a conductive shield; an article of clothing featuring a second resonator having a conductive coil formed by a plurality of loops that each encircle a common second axis, so that when the article of clothing is worn by the human and the human is seated in the seat, the first and second axes are aligned; and a first electronic apparatus positioned in the seat and coupled to the first resonator, and configured to deliver electrical power to the first resonator so that during operation of the system, power is transferred wirelessly from the first resonator to the second resonator.

Abstract: Wireless energy transfer devices and systems for medical environments include, in at least some implementations, a wirelessly powered surgical device including: a device resonator configured to generate an oscillating voltage from a captured oscillating magnetic field; and a surgical tool electrically coupled to the device resonator, the surgical tool having a functional output that is capable of being directly powered by the oscillating voltage, and the surgical tool having a rechargeable battery backup; wherein the oscillating voltage is at least 30 volts and has a frequency of at least 1 kHz. Wireless energy transfer is utilized to eliminate cords and power cables from operating instruments and electronic equipment, facilitating mobility.

Abstract: A wireless receiver for use with a first electromagnetic resonator coupled to a power supply, the first electromagnetic resonator having a mode with a resonant frequency ?1, an intrinsic loss rate ?1, and a first Q-factor Q1=?1/2?1, and the wireless receiver includes a load configured to power a system using electrical power, a second electromagnetic resonator configured to be coupled to the load and having a mode with a resonant frequency ?2, an intrinsic loss rate ?2, and a second Q-factor Q2=?2/2?2, 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 a communication facility to confirm compatibility of the first and second resonators and provide authorization for initiation of transfer of power.

Abstract: Improved configurations for wireless energy transfer can include system elements of a wireless energy transfer system that may pair in-band and out-of-band communication channels by exchanging related information. Energy transfer signals may be modulated according to defined waveforms. Information about the signal may be transmitted using an out-of-band communication channel. A system element that receives both the signal and information may verify that they correspond to the same system element.

Abstract: A wireless charging pad includes a capacitively-loaded conducting loop source resonator, with a characteristic size, L1, connected to a switching amplifier and configured to generate an oscillating magnetic field, wherein the conducting loop comprises multiple turns circumscribing an area, the conducting loop does not extend into the center of the circumscribed area, the source resonator delivers useful power to at least one device resonator with a characteristic size, L2, and where L1 is larger than L2.

Abstract: The disclosure features wireless power transfer systems that include a power transmitting apparatus configured to wirelessly transmit power, a power receiving apparatus connected to an electrical load and configured to receive power from the power transmitting apparatus, and a controller connected to the power transmitting apparatus and configured to receive information about a phase difference between output voltage and current waveforms in a power source of the power transmitting apparatus, and to adjust a frequency of the transmitted power based on the measured phase difference.

Abstract: A mobile wireless receiver for use with a first electromagnetic resonator coupled to a power supply includes a load associated with an electrically powered system that is disposed interior to a vehicle, 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: A vehicle powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply. The wireless receiver including a load configured to power the drive system of a vehicle using electrical power, a second electromagnetic resonator adapted to be housed upon the vehicle and configured to be coupled to the load, a safety system for to provide protection with respect to an object that may become hot during operation of the first electromagnetic resonator. The safety system including a detection subsystem configured to detect the presence of the object in substantial proximity to at least one of the resonators, and a notification subsystem operatively coupled to the detection subsystem and configured to provide an indication of the object, wherein the second resonator is configured to be wirelessly coupled to the first resonator to provide resonant, non-radiative wireless power to the second resonator from the first resonator.

Abstract: Described herein are improved configurations for a wireless power transfer. Described are methods and designs to reduce and manage heating and heat dissipation in resonator structures. Configuration and orientation of magnetic material as well as heat sinking material with respect to the dipole moment of the resonator is used to reduce and control thermal properties of the resonator structure and reduce the effects of heating on the performance of wireless power transfer.

Abstract: Described herein are improved configurations for a wireless power transfer. Described are methods and designs for medical environments and devices. Wireless energy transfer is utilized to eliminate cords and power cables from operating instruments and electronic equipment requiring mobility.

Abstract: A vehicle powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply. The wireless receiver includes a load configured to power the drive system of a vehicle using electrical power, and a second electromagnetic resonator adapted to be housed upon the vehicle and configured to be coupled to the load, 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 field of at least one of the first electromagnetic resonator and the second electromagnetic resonator is shaped using a conducting surface to avoid a loss-inducing object.

Abstract: Wireless energy transfer methods and designs for implantable electronics and devices include, in at least one aspect, a device resonator configured to be included in an implantable medical device and supply power for a load of the implantable medical device by receiving wirelessly transferred power from a source resonator coupled with a power source; temperature sensors positioned to measure temperatures of the device resonator at different locations; a tunable component coupled to the device resonator; and control circuitry configured and arranged to adjust the tunable component to detune the device resonator in response to a measurement from at least one of the temperature sensors.

Abstract: A wireless power receiving system for a mobile electronic device that includes a high-Q repeater resonator comprising at least an inductor and a capacitor and having a Q-factor Q1. The inductor of the repeater resonator is enclosed in a removable sleeve of the mobile electronic. The system also includes a high-Q device resonator comprising at least an inductor and a capacitor and having a Q-factor Q2. The device resonator is integrated in the mobile device and electrically connected to the mobile electronic device, and the square root of the product Q1 and Q2 is greater than 100.

Abstract: A vehicle powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply. The wireless receiver includes a load configured to power the drive system of a vehicle using electrical power, and a second electromagnetic resonator adapted to be housed upon the vehicle and configured to be coupled to the load, at least one other electromagnetic resonator configured with the first electromagnetic resonator and the second electromagnetic resonator in an array of electromagnetic resonators to distribute power over an area, wherein the second electromagnetic resonator is configured to be wirelessly coupled to the array to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator.

Abstract: A vehicle powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply includes a load configured to power the drive system of a vehicle using electrical power, a second electromagnetic resonator adapted to be housed upon the vehicle and configured to be coupled to the load, 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 an authorization facility to confirm compatibility of the resonators and provide authorization for initiation of transfer of power.

Abstract: A variable effective size magnetic resonator includes an array of resonators each being one of at least two substantially different characteristic sizes 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 medical device-powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply. The wireless receiver includes a load configured to power an implantable medical device using electrical power, and a second electromagnetic resonator adapted to be housed within the medical device and configured to be coupled to the load, 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, the area circumscribed by the inductive element of at least one of the electromagnetic resonators can be varied to improve performance.

Abstract: A medical device-powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply. The wireless receiver includes a load configured to power the medical device using electrical power, and a second electromagnetic resonator adapted to be housed within the medical device and configured to be coupled to the load, at least one other electromagnetic resonator configured with the first electromagnetic resonator and the second electromagnetic resonator in an array of electromagnetic resonators to distribute power over an area, wherein the second electromagnetic resonator is configured to be wirelessly coupled to the array to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator.