A wireless power receiver according to some embodiments includes an integrated circuit which includes: a full-bridge rectifier coupled to receive wireless power from a receiver coil; a wireless receiver controller coupled to control the full-bridge rectifier; a pass device coupled between the full-bridge rectifier and an output; and a configurable controller coupled to the switch, the configurable controller configurable as a LDO controller or a Buck controller. A second controller can be coupled to the configurable controller that interfaces to an external Buck low-side transistor if the configurable controller is the Buck controller and provides GPIO if the configurable controller is the LDO controller. A third controller can be coupled to the full-bridge rectifier, which operates as a full-bridge sync rectifier driver multiplexer to select an external driver for one or more of the rectifier transistors. Other features are also provided.

In some examples, the disclosure describes an electronic device with a display member, a base member rotatably coupled to the display member, the base member including an input component, a photovoltaic component coupled to an exterior surface of the display member to generate an amount of solar power, and an array of millimeter wave (mmWave) antennas to wirelessly transmit the amount of solar power to an external device.

In some examples, the disclosure describes an electronic device with a display member, a base member rotatably coupled to the display member, the base member including an input component, a photovoltaic component coupled to an exterior surface of the display member to generate an amount of solar power, and an array of millimeter wave (mmWave) antennas to wirelessly transmit the amount of solar power to an external device.

A wireless power supply system may comprise a wireless power transmitting circuit configured to transmit radio-frequency (RF) signals, and a wireless power receiving circuit configured to convert power from the RF signals into a direct-current (DC) output voltage stored in an energy storage element. The wireless power transmitting circuit may be electrically or magnetically coupled to an antenna and/or electrical wiring of a building for transmitting the RF signals. The wireless power transmitting circuit may be housed in an enclosure that is affixed in a relative location with respect to the wireless power receiving circuit. The antenna may comprise two antenna wires that extend from the enclosure. The wireless power receiving circuit may be electrically or magnetically coupled to an antenna for receiving the RF signals. The wireless power receiving circuit may comprise an RF-to-DC converter circuit for converting the power from the RF signals into a DC output voltage.

A wireless power supply system may comprise a wireless power transmitting circuit configured to transmit radio-frequency (RF) signals, and a wireless power receiving circuit configured to convert power from the RF signals into a direct-current (DC) output voltage stored in an energy storage element. The wireless power transmitting circuit may be electrically or magnetically coupled to an antenna and/or electrical wiring of a building for transmitting the RF signals. The wireless power transmitting circuit may be housed in an enclosure that is affixed in a relative location with respect to the wireless power receiving circuit. The antenna may comprise two antenna wires that extend from the enclosure. The wireless power receiving circuit may be electrically or magnetically coupled to an antenna for receiving the RF signals. The wireless power receiving circuit may comprise an RF-to-DC converter circuit for converting the power from the RF signals into a DC output voltage.

A wireless charging transmission apparatus by using 3D polyhedral magnetic resonance based on multi-antenna switching includes a magnetic resonance wireless energy transmitting module, a plurality of magnetic resonance transmitting antennas, a plurality of receiving antennas, and a magnetic resonance wireless energy receiving module that are connected in sequence. The magnetic resonance wireless energy transmitting module is configured to convert DC power into RF energy and control an operation mode. The magnetic resonance transmitting antennas are configured to convert the RF energy into a spatially distributed reactive field. The receiving antennas are configured to convert the reactive field into the RF energy. The magnetic resonance wireless energy receiving module is configured to convert the RF energy into DC power and charge or power a load. When one of the transmitting antennas is used as a main transmitting antenna, the rest transmitting antennas are used as relay coupling antennas.

The present apparatus receives input of any two or more of input information items of distance information on a distance between a power transmission device and a power receiving device, environment information on an environment of a power transmission space between power transmission device and power receiving device, or condition information that is at least one of a device performance condition or a device setting condition of power transmission device and power receiving device, receives input of beam pattern information on a power transmission beam pattern formed by power transmission device and a power transmission efficiency of power transmission beam pattern for each combined condition of any two or more of the input information items inputted through a device information inputter, and learns power transmission beam pattern which has the power transmission efficiency that is within a predetermined range for the each combined condition from the beam pattern information.

The present apparatus receives input of any two or more of input information items of distance information on a distance between a power transmission device and a power receiving device, environment information on an environment of a power transmission space between power transmission device and power receiving device, or condition information that is at least one of a device performance condition or a device setting condition of power transmission device and power receiving device, receives input of beam pattern information on a power transmission beam pattern formed by power transmission device and a power transmission efficiency of power transmission beam pattern for each combined condition of any two or more of the input information items inputted through a device information inputter, and learns power transmission beam pattern which has the power transmission efficiency that is within a predetermined range for the each combined condition from the beam pattern information.

This application relates to an extremely high frequency (mmWave) wireless power transfer device, method, and system using a Rotman lens. The device includes a radio frequency (RF) chain including transmitters individually generating signals of a mmWave band, and adjusting phase and amplitude of each generated signal. The device may also include a switch matrix connected to the RF chain, having a matrix structure, and generating a beam pattern where the adjusted signals are combined through the switches. The device may further include a Rotman lens connected to the switch matrix and performing a signal beamforming of the beam pattern according to predetermined transmission paths, an antenna part connected to the Rotman lens and radiating the beamformed signal, and a controller controlling at least one of the phase, amplitude, beam pattern, or transmission path of the signal so that the signal is radiated.

This application relates to an extremely high frequency (mmWave) wireless power transfer device, method, and system using a Rotman lens. The device includes a radio frequency (RF) chain including transmitters individually generating signals of a mmWave band, and adjusting phase and amplitude of each generated signal. The device may also include a switch matrix connected to the RF chain, having a matrix structure, and generating a beam pattern where the adjusted signals are combined through the switches. The device may further include a Rotman lens connected to the switch matrix and performing a signal beamforming of the beam pattern according to predetermined transmission paths, an antenna part connected to the Rotman lens and radiating the beamformed signal, and a controller controlling at least one of the phase, amplitude, beam pattern, or transmission path of the signal so that the signal is radiated.