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: A power transmitter for wireless power transfer includes a control and communications unit configured to provide power control signals to a power supply external to the power transmitter for controlling a power level of a power signal configured for transmission to a power receiver, the power supply configured to configure a direct current (DC) power based on the power control signals. The power transmitter further includes an inverter circuit configured to receive the DC power from the power supply external to the power transmitter and convert the input power to a power signal. The power transmitter further includes a coil formed of wound Litz wire and including at least one layer, the coil defining, at least, a top face and 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.

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, receive a receiver power request from a power receiver, provide a power request to an external power supply, based on the receiver power request, determine if a power signal at the coil is compliant with the receiver power request, and, if the power signal at the coil is compliant with the receiver 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 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: A wireless power transfer system is provided having a wireless transmission system with an input to receive input power from an input power source, a transmission antenna configured to couple with a receiver antenna associated with a wireless receiver system in a peripheral device, and a transmission controller configured to generate AC wireless signals including wireless power signals and wireless data signals. The transmission controller is further configured to derive a coupling factor based on coupling data sent from the wireless receiver system to the wireless transmission system, generate an update frequency based on the derived coupling factor, and transmit the update frequency to the wireless receiver system in the peripheral device, whereby the peripheral device provides coupling data to the wireless transmission system based on the update frequency.

Abstract: A transmitter-side host device comprises a transmitter-side antenna and a transmitter-side control system. The transmitter-side control system is configured to: (i) output an unmodulated AC signal for driving the transmitter-side antenna to emit an unmodulated alternating electromagnetic field that delivers wireless power to a receiver-side host device that includes a load and (ii) modulate an in-band data signal onto the unmodulated AC signal and thereby outputting a modulated AC signal for driving the transmitter-side antenna to emit a modulated alternating electromagnetic field that delivers both wireless power and wireless data to the receiver-side host device. The in-band data signal is formatted in accordance with a wireless power and data transfer protocol and carries, as payload, embedded data originating from the transmitter-side host device that is formatted in accordance with a data communication protocol different from the wireless power and data transfer protocol.

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 configured to provide power control signals to control a power level of a power signal configured for transmission to a power receiver and including a pulse width modulation (PWM) signal generator for determining and selecting the operating frequency from the operating frequency range. 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, 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, and 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.

Abstract: A transmitter-side host device comprises a transmitter-side antenna and a transmitter-side control system. The transmitter-side control system is configured to: (i) output an unmodulated AC signal for driving the transmitter-side antenna to emit an unmodulated alternating electromagnetic field that delivers wireless power to a receiver-side host device that includes a load and (ii) modulate an in-band data signal onto the unmodulated AC signal and thereby outputting a modulated AC signal for driving the transmitter-side antenna to emit a modulated alternating electromagnetic field that delivers both wireless power and wireless data to the receiver-side host device. The in-band data signal is formatted in accordance with a wireless power and data transfer protocol and carries, as payload, embedded data originating from the transmitter-side host device that is formatted in accordance with a data communication protocol different from the wireless power and data transfer protocol.

Abstract: A transmitter-side host device comprises a transmitter-side antenna and a transmitter-side control system. The transmitter-side control system is configured to: (i) output an unmodulated AC signal for driving the transmitter-side antenna to emit an unmodulated alternating electromagnetic field that delivers wireless power to a receiver-side host device that includes a load and (ii) modulate an in-band data signal onto the unmodulated AC signal and thereby outputting a modulated AC signal for driving the transmitter-side antenna to emit a modulated alternating electromagnetic field that delivers both wireless power and wireless data to the receiver-side host device. The in-band data signal is formatted in accordance with a wireless power and data transfer protocol and carries, as payload, embedded data originating from the transmitter-side host device that is formatted in accordance with a data communication protocol different from the wireless power and data transfer protocol.

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 variable slot length, and slot timing, and determine a second driving signal for driving the second 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 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 testing device for testing electronic devices includes a test controller and a wireless power transmission system. The test controller is configured to generate testing signals for transmission to at least one of the plurality of electronic devices and receive testing data, in response to the testing signals. The wireless power transmission system is configured to receive the testing signal from the test controller, generate a power signal and a first asynchronous serial data signal in accordance with a wireless power and data transfer protocol, the first asynchronous serial data signal based on the testing signals, decode the power signal to extract a second data signal compliant with the wireless power and data transfer protocol, and decode the second data signal compliant with the wireless power and data transfer protocol to extract a second asynchronous serial data signal, the second asynchronous serial data signal based on the testing data.

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: A wireless power transfer system is provided having a wireless transmission system with an input to receive input power from an input power source, a transmission antenna configured to couple with a receiver antenna associated with a wireless receiver system in a peripheral device, and a transmission controller configured to generate AC wireless signals including wireless power signals and wireless data signals. The transmission controller is further configured to derive a coupling factor based on coupling data sent from the wireless receiver system to the wireless transmission system, generate an update frequency based on the derived coupling factor, and transmit the update frequency to the wireless receiver system in the peripheral device, whereby the peripheral device provides coupling data to the wireless transmission system based on the update frequency.

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 and transmitting data via an out of band communications system, the wireless transmission system configured to magnetically connect with the wireless receiver system associated with the electronic device.

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: Wireless power transfer systems, disclosed, include a wireless power transmission system and a wireless power receiver system. The wireless power transmission system includes a transmitter antenna configured to couple with a receiver antenna to transmit alternating current (AC) wireless signals to the receiver antenna. Antenna coupling may be inductive and may operate in conformance to a wireless power and data transfer protocol. A transmission controller drives the transmitter antenna at an operating frequency, and either the wireless power transmission system or the wireless power receiver system may damp the wireless power transmission to create a data signal containing a serial asynchronous data signal.

Abstract: A rechargeable wearable electronic device includes a wireless power receiver system, a device portion, and a band portion. The wireless power receiver system includes a receiver antenna, a power conditioning system, and a controller. The device portion includes a device housing containing an electronic circuitry module, which includes the wireless power receiver system and a rechargeable power source, wherein the circuitry module generates heat during wireless charging of the rechargeable power source. The band portion is for attaching the wearable electronic device to a user appendage, the band portion having a heat spreading layer of a thermally conductive material, the heat spreading layer having an inner portion within the device housing in thermal contact with the electronic circuitry module, to absorb heat from the electronic circuitry module and spread the absorbed heat to the remainder of the heat spreading layer.