Abstract: An electronic device includes a first antenna for transmitting a signal to a remote communication node and a second antenna for receiving a RF power signal from a remote wireless charger. The device includes a RF to DC converter connected to second antenna to convert the RF power signal to direct current power. DC power management circuitry is connected to the RF to DC converter to supply the direct current power to at least one of a battery or a device circuit. The electronic device includes a controller that monitors an output level of the transmission signal being transmitted to the remote communication node, determines whether the output level has met a predetermined threshold level during a transmission cycle, and causes the second antenna to be turned off after the output level has met or exceeded the predetermined threshold level during a predetermined number of transmission cycles.

Abstract: A system for enhancing power efficiency of a wireless device is disclosed. In one embodiment, the wireless device includes a transmitter having a transmitter antenna and configured to transmit a signal, as well as an energy receiver having a plurality of energy receiver antenna elements positioned across one or more surfaces of the wireless device. The energy receiver antenna elements are each configured to receive a portion of the signal, convert the portion of the signal into power, and provide the power to one or more components of the wireless device.

Abstract: An electronic device including wireless energy receiver circuitry and an energy receiver antenna that is connected to the wireless charging circuitry can be used to improve electrical efficiency. The energy receiver antenna has a tunable reception frequency that can be controlled to optimize energy reception. For example, the energy receiver antenna can be tuned to match a wireless transmission frequency being output by the electronic device itself. If the electronic device is not currently outputting any transmission signals, the energy receiver antenna can be tuned to optimize energy reception from any other available signal source. In some examples, the electronic device may dynamically tune the reception frequency of the energy receiver antenna according to the relative strength of signals being received. Energy received by the energy receiver antenna can be supplied to power various components of the electronic device.

Abstract: An electronic device including wireless energy receiver circuitry and an energy receiver antenna that is connected to the wireless charging circuitry can be used to improve electrical efficiency. The energy receiver antenna has a tunable reception frequency that can be controlled to optimize energy reception. For example, the energy receiver antenna can be tuned to match a wireless transmission frequency being output by the electronic device itself. If the electronic device is not currently outputting any transmission signals, the energy receiver antenna can be tuned to optimize energy reception from any other available signal source. In some examples, the electronic device may dynamically tune the reception frequency of the energy receiver antenna according to the relative strength of signals being received. Energy received by the energy receiver antenna can be supplied to power various components of the electronic device.

Abstract: A method and system for enhancing the power efficiency of a first wireless device that includes an energy receiver. In one implementation, the method includes receiving a transmitted signal at the first wireless device, converting the transmitted signal into power through the energy receiver, and providing the power to the first wireless device.

Abstract: A system for enhancing power efficiency of a wireless device is disclosed. In one embodiment, the wireless device includes a transmitter having a transmitter antenna and configured to transmit a signal, as well as an energy receiver having a plurality of energy receiver antenna elements positioned across one or more surfaces of the wireless device. The energy receiver antenna elements are each configured to receive a portion of the signal, convert the portion of the signal into power, and provide the power to one or more components of the wireless device.

Abstract: A system for enhancing power efficiency of a wireless device is disclosed. In one embodiment, the wireless device includes a transmitter having a transmitter antenna and configured to transmit a signal, as well as an energy receiver having a plurality of energy receiver antenna elements positioned across one or more surfaces of the wireless device. The energy receiver antenna elements are each configured to receive a portion of the signal, convert the portion of the signal into power, and provide the power to one or more components of the wireless device.

Abstract: A method and system for enhancing the power efficiency of a first wireless device that includes an energy receiver. In one implementation, the method includes receiving a transmitted signal at the first wireless device, converting the transmitted signal into power through the energy receiver, and providing the power to the first wireless device.

Abstract: A system for enhancing power efficiency of a wireless device is disclosed. In one embodiment, the wireless device includes a transmitter having a transmitter antenna and configured to transmit a signal, as well as an energy receiver having a plurality of energy receiver antenna elements positioned across one or more surfaces of the wireless device. The energy receiver antenna elements are each configured to receive a portion of the signal, convert the portion of the signal into power, and provide the power to one or more components of the wireless device.

Abstract: Method and system for enhancing the power efficiency of a first wireless device that includes an energy receiver. In one implementation, the method includes receiving a transmitted signal at the first wireless device, converting the transmitted signal into power through the energy receiver, and providing the power to the first wireless device.

Abstract: Method and system for enhancing the power efficiency of a first wireless device that includes an energy receiver. In one implementation, the method includes receiving a transmitted signal at the first wireless device, converting the transmitted signal into power through the energy receiver, and providing the power to the first wireless device.

Abstract: A peer-to-peer conferencing system provides participants in a conferencing session information regarding the display capabilities of other participants so that the local displays of all the participants can appropriately notify their respective participants of differences in the display capability of a presenter during the conferencing session. The conferencing system further ensures that notifications are received at each of the participants so that each participant is able to synchronize its local display with the pace of a conferencing session.

Abstract: Method and system for enhancing the power efficiency of a first wireless device that includes an energy receiver. In one implementation, the method includes receiving a transmitted signal at the first wireless device, converting the transmitted signal into power through the energy receiver, and providing the power to the first wireless device.

Abstract: A method and system for regulating electrical power from a non-perpetual power source. In one implementation, the method includes receiving a variable power output from the non-perpetual power source, wherein a power amplitude of the variable power output substantially varies over time; and generating a regulated current output or a regulated voltage output based in part on the variable power output received from the non-perpetual power source.

Abstract: An audio amplifier with an integrated asymmetric charge pump is provided. The audio amplifier receives VDD and VSS as power supply signals. The integrated charge pump is arranged to provide VSS from VDD, such that VSS is a negative voltage that is lower in magnitude than VDD.

Abstract: A method and system for regulating electrical power from a non-perpetual power source. In one implementation, the method includes receiving a variable power output from the non-perpetual power source, wherein a power amplitude of the variable power output substantially varies over time; and generating a regulated current output or a regulated voltage output based in part on the variable power output received from the non-perpetual power source.

Abstract: An audio amplifier with an integrated asymmetric charge pump is provided. The audio amplifier receives VDD and VSS as power supply signals. The integrated charge pump is arranged to provide VSS from VDD, such that VSS is a negative voltage that is lower in magnitude than VDD.