Abstract: An aspect of the disclosure relates to a user equipment (UE) including: at least one antenna; a transceiver coupled to the at least one antenna, wherein the transceiver comprises: a resonator oscillator configured to generate a resonator signal; and a temperature sensor configured to generate a temperature signal related to a temperature of the resonator oscillator; an applications processor coupled to the transceiver; and a resonator field calibrator coupled to the applications processor and the transceiver.

Abstract: A system and method for oxidizing organic molecules as an oxygen-atom source using an electrochemical process is described.

Abstract: Techniques for wired and wireless charging of electronic devices are provided. An example of a method for charging a device according to the disclosure includes receiving a signal from a power source with an electronic circuit, such that the electronic circuit includes a synchronous rectifier comprising a first phase leg and a second phase leg, utilizing the first phase leg to implement synchronous rectification and the second phase leg to implement a single phase buck converter when the signal is a wireless signal received from the power source, utilizing the first phase leg and the second phase leg to implement a multi-phase buck converter when the signal is received from a wired power source, and providing an output signal with the electronic circuit.

Abstract: Techniques for providing wired and wireless charging to a device are provided. An example of an apparatus for receiving power from a wired power supply and a wireless power supply according to the disclosure includes a wireless power receiver configured to receive power from the wireless power supply, a direct current input circuit configured to receive power from the wired power supply, a control circuit operably coupled to the wireless power receiver and the direct current input circuit and configured to determine a power transfer capability for each of the wired power supply and the wireless power supply, and select the wireless power receiver from the wireless power supply or with the direct current input circuit from the wired power supply to receive power based on the power transfer capabilities.

Abstract: An apparatus is disclosed for wireless power transfer circuitry with a multi-path architecture. In an example aspect, the apparatus includes a wireless power receiver with at least one receiving element, at least one output power node, and two or more power paths having at least one power path configured to be selectively activated. The two or more power paths are coupled between the at least one receiving element and the at least one output power node.

Abstract: Techniques for charger-device pairing for recharge warnings are described. In one or more implementations, a battery of a device is determined to require charging based on a state of charge of the battery. In response to this determination, a message is communicated via a local network from the device to a charger that was previously paired with the device. The message includes a request for the charger to generate a first alert indicating that the charger is available to charge the battery of the device. In addition, the device provides a second alert indicating that the battery of the device requires charging.

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for a voltage controlled charge pump and battery charger. Certain aspects of the present disclosure provide a method for operating a voltage controlled charge pump. The method includes selectively opening and closing a plurality of switches based on a voltage on a feedback path. The plurality of switches are coupled between a voltage input terminal and a voltage output terminal. A first capacitor is coupled between at least a first switch and a second switch of the plurality of switches. A second capacitor is coupled to the voltage output terminal. The feedback path is coupled to at least one of the voltage output terminal, the first capacitor, and the second capacitor.

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for limiting the power drawn by a battery charger based on monitoring of the input voltage and input current supplied to the battery charger from a power supply. In certain aspects, a method generally includes sensing an output voltage of the power supply, wherein the output voltage of the power supply is variable. The method further includes sensing an output current of the power supply. The method further includes providing the output voltage and output current to a battery charger. The method further includes generating a control signal indicative of a scaling of the output current based on a scaling factor, wherein the scaling factor is based on the output voltage. The method further includes providing the control signal to the battery charger to control the output current supplied by the power supply to the battery charger.

Abstract: The present disclosure describes aspects of managing communication control for wireless power transfer. In some aspects, a method for managing wireless charging communications is provided. The method includes wirelessly receiving power from a wireless power transmitter and providing the wirelessly received power to a power management circuit. The method further includes providing power and a power source indication signal to a transceiver circuit. The power source indication signal is indicating the power is the wirelessly received power.

Abstract: Techniques for providing wired and wireless charging to a device are provided. An example of an apparatus for receiving power from a wired power supply and a wireless power supply according to the disclosure includes a wireless power receiver configured to receive power from the wireless power supply, a direct current input circuit configured to receive power from the wired power supply, a control circuit operably coupled to the wireless power receiver and the direct current input circuit and configured to determine a power transfer capability for each of the wired power supply and the wireless power supply, and select the wireless power receiver from the wireless power supply or with the direct current input circuit from the wired power supply to receive power based on the power transfer capabilities.

Abstract: Disclosed are methods, devices, systems, apparatus, media, and other implementations, including a method for wireless power transfer that includes operating a wireless power receiver in a default protection state in which charging or powering of a load coupled to the wireless power receiver is inhibited except upon detection of one or more safety charging conditions for safely charging the wireless power receiver, determining that a safety charging condition, of the one or more safety charging conditions, is met, and operating the wireless power receiver in a charging state at least in part in response to determining that the safety charging condition, of the one or more safety conditions, is met, with the wireless power receiver powering or charging the load while in the charging state and receiving power.

Abstract: Techniques for wired and wireless charging of electronic devices are provided. An example of a method for charging a device according to the disclosure includes receiving a signal from a power source with an electronic circuit, such that the electronic circuit includes a synchronous rectifier comprising a first phase leg and a second phase leg, utilizing the first phase leg to implement synchronous rectification and the second phase leg to implement a single phase buck converter when the signal is a wireless signal received from the power source, utilizing the first phase leg and the second phase leg to implement a multi-phase buck converter when the signal is received from a wired power source, and providing an output signal with the electronic circuit.

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for reconfiguring wireless power resonator. Certain aspects of the present disclosure provide a wireless power resonator. The wireless power resonator includes a first section. The wireless power resonator further includes a second section electrically coupled and physically coupled to the first section. The second section is configured to be movable with respect to the first section while remaining both electrically coupled and physically coupled to the first section to change an effective area of the wireless power resonator.

Abstract: Embodiments include devices and methods for navigating an unmanned autonomous vehicle (UAV) based on a measured magnetic field vector and strength of a magnetic field emanated from a charging station. A processor of the UAV may navigate to the charging station using the magnetic field vector and strength. The processor may determine whether the UAV is substantially aligned with the charging station, and the processor may maneuver the UAV to approach the charging station using the magnetic field vector and strength in response to determining that the UAV is substantially aligned with the charging station. Maneuvering the UAV to approach the charging station using the magnetic field vector and strength may involve descending to a center of the charging station. The UAV may follow a specified route to and/or away from the charging station using the magnetic field vector and strength.

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for limiting the power drawn by a battery charger based on monitoring of the input voltage and input current supplied to the battery charger from a power supply. In certain aspects, a method generally includes sensing an output voltage of the power supply, wherein the output voltage of the power supply is variable. The method further includes sensing an output current of the power supply. The method further includes providing the output voltage and output current to a battery charger. The method further includes generating a control signal indicative of a scaling of the output current based on a scaling factor, wherein the scaling factor is based on the output voltage. The method further includes providing the control signal to the battery charger to control the output current supplied by the power supply to the battery charger.

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for hybrid rectification for wireless power. Certain aspects of the present disclosure provide a wireless power receiver. The wireless power receiver includes a resonator configured to couple to a wireless field. The wireless field induces a voltage in the resonator. The wireless power receiver further includes an active rectifier comprising one or more switches. The wireless power receiver further includes a passive rectifier comprising one or more diodes. The wireless power receiver further includes a switch selectively coupling the active rectifier and the passive rectifier to the resonator.

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for reconfiguring wireless power resonator. Certain aspects of the present disclosure provide a wireless power resonator. The wireless power resonator includes a first section. The wireless power resonator further includes a second section electrically coupled and physically coupled to the first section. The second section is configured to be movable with respect to the first section while remaining both electrically coupled and physically coupled to the first section to change an effective area of the wireless power resonator.

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for a voltage controlled charge pump and battery charger. Certain aspects of the present disclosure provide a method for operating a voltage controlled charge pump. The method includes selectively opening and closing a plurality of switches based on a voltage on a feedback path. The plurality of switches are coupled between a voltage input terminal and a voltage output terminal. A first capacitor is coupled between at least a first switch and a second switch of the plurality of switches. A second capacitor is coupled to the voltage output terminal. The feedback path is coupled to at least one of the voltage output terminal, the first capacitor, and the second capacitor.

Abstract: Techniques for charger-device pairing for recharge warnings are described. In one or more implementations, a battery of a device is determined to require charging based on a state of charge of the battery. In response to this determination, a message is communicated via a local network from the device to a charger that was previously paired with the device. The message includes a request for the charger to generate a first alert indicating that the charger is available to charge the battery of the device. In addition, the device provides a second alert indicating that the battery of the device requires charging.

Abstract: Embodiments include devices and methods for navigating an unmanned autonomous vehicle (UAV) based on a measured magnetic field vector and strength of a magnetic field emanated from a charging station. A processor of the UAV may navigate to the charging station using the magnetic field vector and strength. The processor may determine whether the UAV is substantially aligned with the charging station, and the processor may maneuver the UAV to approach the charging station using the magnetic field vector and strength in response to determining that the UAV is substantially aligned with the charging station. Maneuvering the UAV to approach the charging station using the magnetic field vector and strength may involve descending to a center of the charging station. The UAV may follow a specified route to and/or away from the charging station using the magnetic field vector and strength.