A wireless power transmitter according to various embodiments of the present invention can comprise a plurality of patch antennas, a coil, and a processor. The processor can control such that an electronic device is detected, the plurality of patch antennas and/or the coil is selected as a power transmission circuit for transmitting power for charging the electronic device, and power is transmitted by means of the plurality of patch antennas and/or the coil in accordance with the selection.

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.

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.

The present disclosure relates to a method of aligning a set of objects, the method comprising the steps of: providing each object with at least one resonant circuit, the resonant circuits having at least one resonance frequency, and aligning the objects until a field coupling between the resonant circuits reaches a predetermined value. The disclosure further relates to an electronic alignment system.

The present disclosure relates to a method of aligning a set of objects, the method comprising the steps of: providing each object with at least one resonant circuit, the resonant circuits having at least one resonance frequency, and aligning the objects until a field coupling between the resonant circuits reaches a predetermined value. The disclosure further relates to an electronic alignment system.

An implantable medical system includes an implantable medical device and a external charger. The implantable medical device includes a rechargeable power source, electronic components coupled to the rechargeable power source to deliver a therapy to or monitor a parameter of a patient, and a recharge system operably coupled to the rechargeable power source including a secondary coil to receive power via an inductive power transfer. The external charger includes a housing forming an internal compartment, recharger electronic components disposed on a printed circuit board assembly in the internal compartment, and a recharge coil assembly disposed within the internal compartment, the recharge coil assembly including a recharge coil to provide power to the secondary coil via the inductive power transfer and a flux guide having a ferrite sheet disposed between the recharge coil and the printed circuit board assembly.

An implantable medical system includes an implantable medical device and a external charger. The implantable medical device includes a rechargeable power source, electronic components coupled to the rechargeable power source to deliver a therapy to or monitor a parameter of a patient, and a recharge system operably coupled to the rechargeable power source including a secondary coil to receive power via an inductive power transfer. The external charger includes a housing forming an internal compartment, recharger electronic components disposed on a printed circuit board assembly in the internal compartment, and a recharge coil assembly disposed within the internal compartment, the recharge coil assembly including a recharge coil to provide power to the secondary coil via the inductive power transfer and a flux guide having a ferrite sheet disposed between the recharge coil and the printed circuit board assembly.

An apparatus for transmitting charging power wirelessly to a vehicle is provided. The apparatus comprises a first coupler having a first reactance at an operating frequency and configured to wirelessly receive power from a power source, the first coupler wound on a ferromagnetic core. The apparatus comprises a first capacitor having a second reactance at the operating frequency and electrically connected in series with the first coupler, the second reactance having a magnitude equal to a magnitude of the first reactance. The apparatus comprises a second capacitor electrically connected in parallel across the first coupler and the first capacitor. The apparatus comprises a first base coupler configured to be electrically connected in parallel across the second capacitor via a first switch. A magnitude of a peak voltage across the second capacitor is proportional to a magnitude of a peak voltage induced in the first coupler at the operating frequency.

A wireless charging resource includes: processing elements; insulating elements; and coils, where the processing elements, insulating elements, and coils are arranged in a repeating array. A method of wireless charging includes: sending, from a charging resource, an analog ping to identify charging coils associated with a charging receiver; sending a digital ping to identify optimal charging coils; and activating the optimal charging coils in order to provide charging power to the charging receiver. A method of generating a layout for a wireless charging transmitter includes: determining an available area; calculating a number of coils to be included in an array; arranging a first set of coils including the number of coils on a first coil layer; arranging a second set of coils including the number of coils on a second coil layer; and arranging a third set of coils including the number of coils on a third coil layer.

Eyewear and receptacles for housing such eyewear include components of a wireless power transfer system. The eyewear includes a receiver system for receiving power from a transmission system associated with the receptacle(s). The receiver system includes at least one receiver antenna, for receiving wireless power from the transmission system, and a repeater antenna for repeating the wireless power signal to the receiver antenna. The receiver antenna is positioned proximate to a first arm of the eyewear and the repeater is positioned proximate to a second arm of the eyewear. Positioning of the receiver and repeater antennas allows for positional freedom of the eyewear and/or the arms of the eyewear, when mechanically received by the receptacle.