Abstract: A method for operating a wireless power transfer system includes determining a driving signal for transfer of the AC wireless signals, the driving signals based on an operating frequency for the AC wireless signals, a power requirement for the wireless power signals, data contained in the wireless data signals, and one or more thermal mitigation features. Each of the one or more thermal mitigation features are configured to reduce temperature of at least one surface or volume of the wireless transmission system or the wireless receiver system. The method further includes providing the driving signal to an amplifier of the wireless power transmission system and driving a transmitter antenna of the wireless power transmission system, by the amplifier, based on the driving signal.

Abstract: A power transmitter is configured for transmission of wireless power, to a wireless receiver, at extended ranges, including a separation gap greater than 8 millimeters (mm). The power transmitter further includes a coil configured to transmit the power signal to a power receiver, the coil formed of wound Litz wire and including at least one layer, the coil defining, at least, a top face. The power transmitter further includes a shielding comprising a ferrite core and defining a cavity, the cavity configured such that the ferrite core substantially surrounds all but the top face of the coil. The power transmitter includes at least one magnet, the at least one magnet configured to attract at least one receiver magnet when a power receiver is proximate to a surface associated with the power transmitter.

Abstract: A wireless transmission system includes a transmitter antenna configured to transmit AC wireless signals to the at least one antenna, the AC wireless signals including wireless power signals and wireless data signals, the transmitter antenna including a source coil and an internal repeater coil. The system further includes at least one sensor configured to detect electrical information associated with the electrical characteristics of the AC wireless signals at one of the source coil or the internal repeater coil. A demodulation circuit is configured to receive the electrical information from the at least one sensor at the internal repeater coil, detect a change in the electrical information, (iii) determine if the change in the electrical information meets or exceeds one of a rise threshold or a fall threshold, if the change exceeds one of the rise threshold or the fall threshold, generate an alert, and output a plurality of data alerts.

Abstract: A power transmitter for wireless power transfer at an operating frequency selected from a range of about 87 kilohertz (kHz) to about 360 kHz is disclosed. The power transmitter includes a control and communications unit and an inverter circuit configured to receive input power and convert the input power to a power signal. The power transmitter further includes a coil configured to transmit the power signal to a power receiver, the coil formed of wound Litz wire and including at least one layer. The power transmitter further includes a shielding comprising a magnetic backing and a magnetic wall, the magnetic wall and magnetic backing defining a cavity, the magnetic wall including a top surface, the cavity extending, at least, from the magnetic backing to the coil, the coil positioned proximate to the top surface.

Abstract: A method of operating a power and data transfer system includes determining, by a wireless transmission system, presence of a wireless receiver system. The method further includes starting wireless power and data transfer via the wireless transmission system, if presence of the wireless receiver system is detected. The method further includes determining if power at a load associated with the wireless receiver system exceeds a threshold for out of band communications. The method further includes, if the power at the load exceeds the threshold for out of band communications, handing over wireless data transfer to an out of band communications system that is in operative communication with the wireless transmission system.

Abstract: An electrical system incorporating a single structure multiple mode antenna is described. The antenna is preferably constructed having a first inductor coil that is electrically connected in series with a second inductor coil. The antenna is constructed having a plurality of electrical connections positioned along the first and second inductor coils. A plurality of terminals is connected to the electrical connections that facilitate numerous electrical connections and enables the antenna to be selectively tuned to various frequencies and frequency bands.

Abstract: A method for providing an electronic device includes manufacturing the electronic device at a manufacturing location, wherein manufacturing the electronic device includes connecting a wireless receiver system to the electronic device. The method further includes packaging the electronic device at a packaging location. The method further includes wirelessly transmitting data to the electronic device at a data transmission site, wherein wirelessly transmitting the data to the electronic device is performed by transferring data via near field magnetic induction utilizing a wireless transmission system, the wireless transmission system configured to magnetically connect with the wireless receiver system associated with the electronic device.

Abstract: A power transmitter for wireless power transfer includes a control and communications unit, an inverter circuit, a coil, and a shielding. The control and communications unit is configured to provide power control signals to control a power level of a power signal configured for transmission to a power receiver, provide a power request to an external power supply, determine if a power signal at the coil is compliant with the power request, and, if the power signal at the coil is compliant with the power request, continue to operate for wireless power transmission. The coil is configured to transmit the power signal to a power receiver. The shielding comprises a ferrite core.

Abstract: A wireless power receiver system includes a receiver antenna including a plurality of receiver coils, each of the plurality of receiver coils configured to receive alternating current (AC) wireless power signals from a wireless power transmission system. The system further includes a receiver controller configured to generate communications signals. The system further includes a plurality of modulation circuits, each of the plurality of modulation circuits operatively associated with one of the plurality of receiver coils and the receiver controller, each of the plurality of modulation circuits configured to partially dampen a magnetic field, coupling the wireless power receiver system with the wireless power transmission system, based on the communication signals provided to each of the plurality of modulation circuits by the receiver controller.

Abstract: 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.

Abstract: A wireless power transfer system includes a wireless power transmission system and a wireless power receiver system. The wireless power transmission system includes a transmission antenna, a transmission controller, and a transmission power conditioning system. The transmission controller is configured to provide a driving signal for driving the transmission antenna based on an operating frequency and a virtual AC power frequency. The transmission power conditioning system is configured to generate the virtual AC power signals at the operating frequency and having peak voltages rising and falling based on the virtual AC power frequency. The wireless power receiver system includes the receiver antenna and the power conditioning system. The receiver power conditioning system is configured to receive the virtual AC power signals, convert the virtual AC power signals to alternating current (AC) received power signals, and provide the AC input power signals to a load.

Abstract: A power transmitter for wireless power transfer includes a sensing system, a feedback mechanism and a control and communications unit includes a controller configured to receive object detection data from the sensing system, if a power receiver is detected, reset an alert timer, if the power receiver has been detected and a disconnect is detected, determine if an alert timer value is greater than an alert threshold, if a disconnect is detected and the alert timer value is greater than the alert threshold, instruct the feedback mechanism to output an alert. The power transmitter further includes an inverter circuit configured to receive a direct current (DC) power and convert the input power to a power signal and a coil configured to transmit the power signal to a power receiver, the coil formed of wound Litz wire and including at least one layer, the coil defining, at least, a top face.

Abstract: A power transmitter for wireless power transfer includes a verification load, a control and communications unit, an inverter circuit, a coil, and a shielding. The control and communications unit is configured to provide power control signals to control a power level of a power signal configured for transmission to a power receiver, provide a power request to an external power supply, determine if a power signal at the verification load is compliant with the power request, and, if the power signal at the verification load is compliant with the power request, continue to operate for wireless power transmission. The coil is configured to transmit the power signal to a power receiver. The shielding comprises a ferrite core.

Abstract: A wireless power transmission system includes a transmission antenna, a transmission controller, and a transmission power conditioning system. The transmission antenna is configured to couple with a receiver antenna and transmit virtual AC power signals to the receiver antenna. The transmission controller is configured to provide a driving signal for driving the transmission antenna based on an operating frequency and a virtual AC power frequency. The transmission power conditioning system includes at least one transistor that is configured to receive the driving signal, at a gate of the at least one transistor, and to receive an input power signal to generate the virtual AC power signals at the operating frequency and having peak voltages rising and falling based on the virtual AC power frequency.

Abstract: A structure for wireless communication having a plurality of conductor layers, an insulator layer separating each of the conductor layers, and at least one connector connecting two of the conductor layers wherein an electrical resistance is reduced when an electrical signal is induced in the resonator at a predetermined frequency. The structure is capable of transmitting or receiving electrical energy and/or data at various near and far field magnetic coupling frequencies.

Abstract: A wireless power transmission system includes a transmitter antenna, transmission controller, and an amplifier. The transmitter controller is configured to provide a driving signal for driving the transmitter antenna based on, at least, an operating mode for transmission of AC wireless signals and determine the operating mode for transmission of the AC wireless signals, wherein the operating mode includes a power level for the wireless power signals and a data rate for the wireless data signals, the power level chosen from a series of available power levels and the data rate chosen from a series of available data rates, each of the series of available power levels corresponding to one of the series of available data rates, wherein corresponding pairs of available power levels and available data rates are inversely related.

Abstract: A method for operating a wireless power transfer system includes determining a driving signal for transfer of the AC wireless signals, the driving signals based on an operating frequency for the AC wireless signals, a power requirement for the wireless power signals, data contained in the wireless data signals, and one or more thermal mitigation features. Each of the one or more thermal mitigation features are configured to reduce temperature of at least one surface or volume of the wireless transmission system or the wireless receiver system. The method further includes providing the driving signal to an amplifier of the wireless power transmission system and driving a transmitter antenna of the wireless power transmission system, by the amplifier, based on the driving signal.

Abstract: A wireless power transmission system includes a transmitter antenna, a transmission controller, an amplifier, and a variable resistor. The transmission controller is configured to (i) provide a driving signal for driving the transmitter antenna based on an operating frequency for the wireless power transfer system and (ii) perform one or more of encoding the wireless data signals, decoding the wireless data signals, receiving the wireless data signals, or transmitting the wireless data signals. The variable resistor is in electrical connection with the transmitter antenna and configured to alter a quality factor (Q) of the transmitter antenna, wherein alterations in the Q by the variable resistor change an operating mode of the wireless power transmission system.

Abstract: A wireless power receiver system includes a receiver antenna including a plurality of receiver coils, each of the plurality of receiver coils configured to receive alternating current (AC) wireless power signals from a wireless power transmission system. The system further includes a receiver controller configured to generate communications signals. The system further includes a plurality of modulation circuits, each of the plurality of modulation circuits operatively associated with one of the plurality of receiver coils and the receiver controller, each of the plurality of modulation circuits configured to partially dampen a magnetic field, coupling the wireless power receiver system with the wireless power transmission system, based on the communication signals provided to each of the plurality of modulation circuits by the receiver controller.

Abstract: A wireless power transmission system includes a wireless power transmitter, a wireless power transfer circuit electrically connectable to the at least one wireless power transmitter, and a transmitter controller. The transmitter controller is configured to determine presence of a wireless power receiver system, encode or decode a communications signal communicated over a magnetic field, the magnetic field produced by coupling of the wireless power transmitter and the one or more wireless power receiver systems. The transmitter controller is further configured to determine presence of one or more of unwanted noise, unwanted data, or combinations thereof, within a proximity communications frequency band, the proximity communications frequency band substantially similar to the communications frequency band. The transmitter controller is further configured to filter the one or more of unwanted noise, unwanted data, or combinations thereof to determine a filtered communications signal.