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.

Abstract: A wireless power transmitter is configured to (i) detect a presence of a wireless power receiver that is couplable with the wireless power transmitter, (ii) after detecting the presence of the wireless power receiver, initiate wireless power transfer with the wireless power receiver, (iii) detect that a given amount of time has elapsed since a prior reference point, (iv) in response to detecting that the given amount of time has elapsed since the prior reference point, (a) pause the wireless power transfer with the wireless power receiver for a temporary period of time and (b) after the wireless power transfer is paused, perform a foreign object detection (FOD) process during the temporary period of time, and (v) after the FOD process is completed, resume the wireless power transfer with the wireless power receiver.

Abstract: A kitchen appliance is disclosed includes a first electrical component, a second electrical component, and a wireless power receiver system. The wireless power receiver system includes a first receiver antenna configured to couple with a first transmission antenna and receive virtual AC power signals from the first transmission antenna. A second receiver antenna is configured to couple with a second transmission antenna and receive virtual DC power signals from the second transmitter antenna. A first receiver power conditioning system is configured to receive the virtual AC power signals, convert the virtual AC power signals to AC received power signals, and provide the AC received power signals to power the first electrical component. The second receiver power conditioning system configured to receive the virtual DC power signals, convert the virtual DC power signals to DC received power signals, and provide the DC received power signals to power the second electrical component.

Abstract: An antenna for a wireless power transmission system includes a coil layer and a filter layer. The coil layer includes turns, a first coil end, and a second coil end. The coil layer is electrically connected to a power conditioning system via a positive electrical node connected to the first coil end and a negative electrical node connected to the second coil end. The filter layer is positioned in a stack-up with the coil layer and includes tines each comprising a conductive material, positioned proximate to the plurality of turns, and terminating at one end. The filter layer includes a filter end that is electrically connected to a ground of the wireless transmission system, wherein the filter layer is configured to absorb an E-field emitted by the coil layer and route the absorbed E-field to the ground.

Abstract: Various embodiments of a wireless connector system are described. The system has a transmitter module and a receiver module that are configured to wirelessly transmit electrical energy and/or data via near field magnetic coupling. The wireless connector system is designed to increase the amount of wirelessly transmitted electrical power over a greater separation distance. The system is configured with various sensing circuits that alert the system to the presence of the receiver module to begin transfer of electrical power as well as undesirable objects and increased temperature that could interfere with the operation of the system. The wireless connector system is a relatively small footprint that is designed to be surface mounted.

Abstract: A transmitter-side host device includes a transmitter-side antenna and a transmitter-side control system. The transmitter-side control system is configured to receive an indication of either a first wireless transfer mode desired by a receiver-side host device or an indication of a second wireless transfer mode desired by the receiver-side host device. During the first wireless transfer mode, a first magnitude of wireless power per unit of time is delivered to the receiver-side host device and a first volume of wireless data per unit of time is exchanged with the receiver-side host device. During the second wireless transfer mode, a second magnitude of wireless power per unit of time is delivered to the receiver-side host device and a second volume of wireless data per unit of time is exchanged with the receiver-side host device.

Abstract: A wireless power transfer system, for charging a wearable communication device, includes a headset, which includes a headband, at least one earcup, and a receiver antenna configured to receive a power signal, wherein the receiver antenna is positioned proximate to or within the headset. The system further includes a charging base, which includes a transmission antenna, configured to transmit the power signal to the receiver antenna, and a housing. The housing includes a support arm and a base, wherein the transmission antenna is positioned proximate to or within one or more of the support arm, the base, and combinations thereof, and wherein the support arm is configured to retain the headband and position the receiving antenna to receive the power signal from the transmitting antenna.

Abstract: A wireless power transmitter is configured to (i) detect a presence of an object and (ii) after detecting presence of the object, carrying out a first beaconing process for detecting a wireless power receiver. Based on the first beaconing process, the wireless power transmitter is configured to (iii) detect a given wireless power receiver, (iv) determine a coupling level between the wireless power transmitter and the given wireless power receiver, and (v) thereafter configure the voltage level of the DC voltage signal that is provided as input to the inverter and thereby configuring a power level of the wireless power output produced by the transmission antenna in accordance with the determined coupling level.

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 receiver system, configured to receive both electrical data signals and electrical energy, includes a first receiver antenna, configured to receive one or both of the electrical data signals and the electrical energy, and a power conditioning system in electrical connection with the first receiver antenna, configured to receive electrical energy from the first receiver antenna. The wireless receiver system further includes a second receiver antenna configured to receive the electrical data signals and a receiver controller operatively associated with the first receiver antenna and the second receiver antenna and configured to determine switching instructions. The wireless receiver system further includes a switch operatively associated with the receiver controller and configured to switch receiving operations between the first and second receiver antennas based, at least in part, on the switching instructions.

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 wearable device includes (i) a first antenna that is operable to wirelessly receive power, (ii) a second antenna that is operable to wirelessly receive data, (iii) a battery, (iv) a power conditioning system that is connected between the first antenna and the battery, (v) a data communications system, and (vi) a switch that is operable to selectively couple or decouple the second antenna to or from the data communications system. The wearable device is configured to (i) detect a trigger event for decoupling the second antenna from the data communications system and, (ii) in response to detecting the trigger event, control the switch to decouple the second antenna from the data communications system.

Abstract: A wireless transmission system includes a transmitter antenna, a sensor, a demodulation circuit, and a transmitter 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 transmitter 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 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: The present application relates to an apparatus which comprises a wireless power transfer 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, 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 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: 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 sensing system includes a sensor, a wireless transmission system, a wireless receiver system, and a controller. The sensor is configured to determine sensor data, the sensor data associated with a sensing environment. The wireless transmission system is configured to wirelessly couple with the sensor, the wireless transmission system configured for wirelessly providing significant electrical energy to the sensor as wireless power signals and receive the sensor data as in-band data signals encoded in the wireless power signals. The wireless receiver system is operatively associated with the sensor and with which the wireless transmission system couples with the sensor and is configured to receive the significant electrical energy as the wireless power signals from the wireless transmission system. The controller is operatively associated with the wireless transmission system and is configured to decode the in-band signals from the wireless power signals as the sensor data.

Abstract: A wireless power transmission system includes, at least, a first transmission antenna and a second transmission antenna, both in electrical connection with a common power conditioning system of the system. The first transmission antenna transmits output power and includes a first pole and a second pole, while the second transmission antenna also transmits the output power and includes a third pole and a fourth pole. The first and second transmission antennas are in electrical connection with the power conditioning system via at least one of the first pole and the second pole and at least one of the third pole and the fourth pole. Further, at least one of the first pole and the second pole is in electrical connection with at least one of the third pole and the fourth pole.

Abstract: A wireless transmission system includes a transmitter antenna, a sensor, a demodulation circuit, and a transmitter 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 transmitter 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.