Abstract: A system for wireless power transfer includes a wireless transmission system and a wireless receiver system. The wireless transmission system includes a transmission antenna configured to transmit one or both of wireless power signals and wireless data signals within a large charge area, the large charge area having a length of in a range of 50 millimeters (mm) to 300 mm and a width in a range of 150 to 500 mm. The wireless receiver system includes a receiver antenna, the receiver antenna including a plurality of receiver coils, each of the plurality of receiver coils configured to receive one or both of the wireless power signals and the wireless data signals within the large charge area.

Abstract: An antenna configured for wireless power transmission has a puzzled configuration and has a first antenna molecule and a second antenna molecule. The first and second antenna molecules are formed to define a first and second pluralities of coil atoms. The pluralities of coil atoms include a first coil atom and a second coil atom, wherein the second coil atom is positioned substantially diagonally opposite with respect to the first coil atom. The first antenna molecule and the second molecule are overlain to form a first atom row and a second atom row and to form a first atom column and a second atom column. The first and second antenna molecules are substantially inverted versions of one another.

Abstract: An antenna for wireless power transmission includes a source antenna molecule configured for wired electrical connection to one or more electrical components of a wireless power transmission system. The antenna further includes two or more repeater antenna molecules independent of the source antenna molecule, the two or more antenna molecules connected to one another via a wired, parallel electrical connection, the two or more antenna molecules configured as a repeater for wireless power transmission and configured to receive wireless power signals from the source coil and transmit repeated wireless power signals.

Abstract: An antenna for wireless power transmission includes a source coil comprised of a first conductive wire, the source coil including a first outer turn and a first inner turn, the source coil configured to connect to one or more electronic components for wireless power transfer. The antenna further includes an internal repeater coil comprised of a second conductive wire, the internal repeater coil including a second outer turn and a second inner turn, the internal repeater coil configured to have a repeater current induced in the second outer turn and the second inner turn. The antenna further includes a repeater filter circuit connected between a beginning of the second outer turn and an ending of the second inner turn, the repeater filter circuit comprising an LC filter and introducing a filter impedance to the internal repeater coil.

Abstract: The present application relates to an apparatus which comprises a wireless power transmission system. This system comprises features which allow it to transfer more power wirelessly to multiple devices simultaneously, each at extended distances than other systems operating in the same frequency range. The system including heat dissipation features, allowing the system to operate effectively in elevated-temperature environments and to transfer power at higher levels and/or greater distances than a typical power-transfer system. The system also may include design features to withstand mechanical shocks, stresses, and impacts for use in a rugged environment. The system may include features to reduce electromagnetic interference (EMI) and/or specially shaped components with magnetic/ferrimagnetic properties that enhance performance.

Abstract: A demodulation circuit includes a slope detector circuit and a comparator circuit. The slope detector circuit is configured detect a change in the voltage and determine if the voltage rate of change meets or exceeds one of a rise threshold or a fall threshold. The comparator circuit is configured to set an upper limit and lower limit for rate of change, compare the voltage rate of change to the limits, determine that the voltage rate of change meets or exceeds the limits, if the voltage rate of change meets or exceeds the rising and falling rate of change limits, (v) set a lower limit for a falling rate of change, (vi) receive the voltage rate of change and determine that the voltage rate of change meets or exceeds the fall or rise threshold, if the voltage rate of change meets or exceeds the falling or rising rate of change.

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 wireless receiver system includes a receiver antenna, a sensor, a demodulation circuit, and a receiver controller. The sensor is configured to detect electrical information associated with AC wireless signals, the electrical information including, at least, a voltage of the AC wireless signals. The demodulation circuit is configured to receive the electrical information from the at least one sensor, detect a change in the electrical information, 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. The receiver controller is configured to receive the plurality of data alerts from the demodulation circuit, and decode the plurality of data alerts into the wireless data signals.

Abstract: A wireless power transmission system includes a first antenna, a second antenna, a controller, a first power conditioning system, and a second power conditioning system. The controller is configured to determine a first driving signal for driving the first antenna based on a first operating frequency, a virtual AC power frequency, a slot length, and slot timing, and determine a second driving signal for driving the second t antenna based on a second operating frequency, the slot length, and the slot timing. The first power conditioning system is configured to receive the first driving signal to generate the virtual AC power signals at the first operating frequency, the virtual AC power signals having peak voltages rising and falling based on the virtual AC power frequency. The second power conditioning system is configured to receive the second driving signal to generate the virtual DC power signals at the second operating frequency.

Abstract: A method for operating a wireless power transmission system includes providing a driving signal for driving a transmission antenna of the wireless power transmission system, the driving signal based, at least, on an operating frequency for the wireless power transmission system. The method further includes inverting, by the at least one transistor, a direct current (DC) input power signal to generate an AC wireless signal at the operating frequency, based on provided driving signals. The method includes receiving, at a damping circuit, damping signals configured for switching the damping transistor to one of an active mode and an inactive mode to control signal damping, wherein the damping signals switch to the active mode periodically. The method further includes selectively damping, by the damping circuit, the AC wireless signals, during transmission of the wireless data signals if the damping signals set the damping circuit to the active mode.

Abstract: A method of providing 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: Wireless power transfer systems, disclosed, include one or more circuits to facilitate high power transfer at high frequencies. Such wireless power transfer systems include a transmission integrated circuit which includes a damping circuit and a transmitter controller, configured to dampen a wireless power signal such that communications fidelity is upheld at high power. The damping circuit includes at least a damping transistor that is configured to receive, from the transmitter controller, a damping signal for switching the transistor to control damping during transmission of the wireless data signals. Utilizing such systems enables wireless power transfer at high frequency, such as 13.56 MHz, at voltages over 1 Watt, while maintaining fidelity of in-band communications associated with the higher power wireless power signal.

Abstract: A wireless power receiver system includes a receiver antenna configured for coupling with a transmission antenna and receiving the virtual AC power signals from the transmission antenna, the receiver antenna operating based on an operating frequency. The wireless power receiver system further includes a receiver power conditioning system configured to (i) receive the virtual AC power signals, (ii) convert the virtual AC power signals to alternating current (AC) received power signals, and (iii) provide the AC input power signals to a load.

Abstract: An electrically conductive material configured having at least one opening of various unlimited geometries extending through its thickness is provided. The opening is designed to modify eddy currents that form within the surface of the material from interaction with magnetic fields that allow for wireless energy transfer therethrough. The opening may be configured as a cut-out, a slit or combination thereof that extends through the thickness of the electrically conductive material. The electrically conductive material is configured with the cut-out and/or slit pattern positioned adjacent to an antenna configured to receive or transmit electrical energy wirelessly through near-field magnetic coupling (NFMC). A magnetic field shielding material, such as a ferrite, may also be positioned adjacent to the antenna. Such magnetic shielding materials may be used to strategically block eddy currents from electrical components and circuitry located within a device.

Abstract: A wireless power transfer system includes selecting an operating mode from a plurality of transmission modes, which includes, at least, a first operating mode having a first power level and a first data rate and a second operating mode having a second power level and a second power rate, wherein the first data rate is greater than the second data rate and the first power level is less than the second power level. The system further includes performing, one or more of encoding the wireless data signals, decoding the wireless data signals, receiving the wireless data signals, transmitting the wireless data signals or combinations thereof. The system further includes driving a transmitter antenna of the wireless power transmission system, by the amplifier, based on a driving signal generated in accordance with the selected operating mode.

Abstract: The present application relates to an apparatus which comprises a wireless power transfer (WPT) system. This system comprises features which allow it to transfer more power wirelessly at extended distances than other systems operating in the same frequency range. The system possesses heat dissipation features; these features allow it to operate effectively in elevated-temperature environments, and to transfer power at higher levels and/or greater distances than a typical power-transfer system. The system also might include design features to withstand mechanical shocks, stresses, and impacts for use in a rugged environment. The system can also comprise adaptations to reduce electromagnetic interference (EMI), and can comprise specially shaped components with magnetic/ferrimagnetic properties that enhance performance. Other potential features include power conditioning by combining, within one circuit or one board, multiple elements that protect against excessive current, over-voltage, and/or reverse voltage.

Abstract: A system for wireless power transfer includes a wireless transmission system, a wireless receiver system, and a dynamic tuning controller. The wireless transmission system configures an electrical energy signal, using the power from the input power source, for transmission by a transmission antenna. The wireless receiver system is operatively associated with a load and is configured to receive the electrical energy signal from the wireless transmission system, via coupling of the transmission antenna and receiver antenna, and configure the electrical energy signal to transfer power to the load. The dynamic tuning controller is configured to determine an output of the system and determine existence of disturbances to the system, based on the output, control alterations to one or more forward gain elements of one or more of the wireless transmission system, the wireless receiver system, and combinations thereof, if one or more disturbances exist, based on the output.

Abstract: A wireless power transmission system includes a transmitter antenna, an amplifier, and a transmitter controller. The transmitter antenna is configured to transmit wireless power signals and wireless data signals. The amplifier is configured to receive a driving signal at a gate of the at least one transistor and invert a direct power (DC) input power signal to generate the AC wireless signal at the operating frequency. The transmitter controller is configured to configure the driving signal based, at least, on an operating frequency and an initial beaconing process, the initial beaconing process for determining presence of a wireless receiver system at a coupling between the transmitter antenna and a receiver antenna of the wireless receiver system, determine amplifier voltage instructions for the amplifier based on the initial beaconing process, and drive the amplifier by providing the driving signal and the amplifier voltage instructions to the amplifier.

Abstract: A method for operating a wireless power transmission system includes providing a driving signal for driving a transmission antenna, the driving signal based, at least, on an operating frequency for the wireless power transmission system. The method includes receiving, by at least one transistor of an amplifier of the wireless power transmission system, the driving signal at a gate of the at least one transistor and inverting a direct current (DC) input power signal to generate an AC wireless signal at the operating frequency. The method includes receiving, at a damping transistor of a damping circuit, damping signals for switching the damping transistor to control signal damping during transmission or receipt of wireless data signals in-band of the AC wireless signal. The method includes selectively damping, by the damping circuit, the AC wireless signals, during transmission of the wireless data signals, based, at least in part, on the damping signals.

Abstract: A method for operating a wireless power transmission system includes providing a driving signal for driving a transmission antenna of the wireless power transmission system, the driving signal based, at least, on an operating frequency for the wireless power transmission system. The method further includes receiving, at a damping transistor of a damping circuit, damping signals for switching the damping transistor to one of an active mode and an inactive mode to control signal damping during transmission or receipt of wireless data signals. The method further includes selectively damping, by the damping circuit, the AC wireless signals, during transmission of the wireless data signals if the damping signals set the damping circuit to the active mode.