Abstract: The technology provides for a system for determining wireless charging alignment. In this regard, one or more processors may receive motion data from one or more sensors of a computing device indicating a motion of the computing device. The one or more processors may also receive charging data related to a state of an energy storage of the computing device or a state of energy transfer between a wireless charger and the computing device. Based on the motion data and the charging data, a reference vector associated with at least two charging rates may be determined. An alignment vector between the computing device and the wireless charger may then be determined based on the reference vector and the associated charging rates. Based on the alignment vector, an output may be generated guiding movement of the computing device to align with the wireless charger.

Abstract: A wireless power transmission device according to an embodiment of the present specification comprises: a power conversion circuit for transmitting wireless power to a wireless power reception device by means of magnetic coupling with the wireless power reception device at an operating frequency; and a communication/control circuit for communicating with the wireless power reception device by using in-band communication that uses the operating frequency and/or out-band communication that uses a frequency other than the operating frequency, and for communicating with at least one other wireless power transmission device by using the out-band communication, wherein the communication/control circuit measures the distance to the wireless power reception device and transmits the information about the measured first distance to the other wireless power transmission device.

Abstract: An electrical assembly includes a track assembly, a support member configured to move along the track assembly, a first ECU connected to the support member, and a second electronic control unit (ECU) connected to the track assembly and configured to provide power from a power source to the track assembly. The first ECU may be configured to disconnect the electrical load and/or cause the electrical load to operate in a low-current mode if a connection system is partially engaged. The second ECU may have a first mode in which the second ECU provides power in a first voltage range to the track assembly. The second ECU may have a second mode in which the second ECU provides power in a second voltage range. The second ECU may be configured to switch between the first mode and the second mode according to information from the first ECU.

Abstract: A power supply apparatus according to the present invention includes a power supply antenna, a directivity control unit, a position information acquisition unit, and a control unit. The power supply antenna emits, to a plurality of power reception apparatuses, a radio wave that is based on a power supply signal. The directivity control unit controls directivity of the power supply antenna. The position information acquisition unit acquires position information indicating a position of a moving obstruction. The control unit determines, based on the position information, a power reception apparatus, among the plurality of power reception apparatuses, to which power is supplied while avoiding the obstruction. The control unit controls the directivity control unit to steer the radio wave toward the determined power reception apparatus.

Abstract: A system for wireless power transmission, preferably including one or more power transmitters, detectors, and/or processing modules, and optionally including one or more power receivers and/or auxiliary sensors. A method for field detection, preferably including transmitting power, receiving latent scattering signals, analyzing the scattering signals, and/or acting based on the analysis.

Abstract: There is provided a detecting apparatus including one or a plurality of magnetic coupling elements that include a plurality of coils, a positioning unit disposed near at least one coil from among the plurality of coils included in the one or plurality of magnetic coupling elements, and a detector that measures an electrical parameter related to the one or plurality of magnetic coupling elements or to a circuit that at least includes the one or plurality of magnetic coupling elements, and determines from a change in the electrical parameter whether a foreign matter capable of generating heat due to magnetic flux is present.

Abstract: A wireless power reception apparatus includes: a first electrode including a coil shape; a second electrode including the coil shape; an electrode capacitor connected between the first electrode and the second electrode; an electrode signal transceiver connected to the first electrode and the second electrode; a power receiver connected to the first electrode and the second electrode, separately from the electrode signal transceiver; a resonant capacitor; and first capacitor and a second capacitor configured to connect a conducting line between the first electrode and the power receiver and a conducting line between the second electrode and the power receiver, wherein the first electrode and the second electrode are wound in the same direction.

Abstract: According to an aspect of the present invention, a wireless power reception device includes: a power pick-up circuit which is configured to form magnetic coupling with a wireless power transmission device and receive wireless power from the wireless power transmission device; and a communication/control circuit which is configured to perform at least one among control of the transmission of the wireless power and data transmission and reception on the basis of communication with the wireless power transmission device, wherein the communication/control circuit can receive a check message for checking payment information from the wireless power transmission device and perform a payment procedure for wireless power transmission, and can provide a user interface related to information for the payment procedure.

Abstract: Systems, methods and apparatus for wireless charging are disclosed. An apparatus includes or operates as a wireless charging device that has a battery charging power source coupled to a charging circuit, a plurality of charging cells provided on a surface of the wireless charging device and a controller or processing circuit, which may include one or more processors. The apparatus has a high-pass filter configured to extract high-frequency components from a measurement signal representative of voltage at a transmitting coil during a charging operation, a first attenuator configured to attenuate the measurement signal and provide an attenuated measurement signal, a mixer configured to add a signal representative of the high-frequency components to the attenuated measurement signal to obtain a scaled measurement signal, and a demodulator configured to decode one or more messages associated with the charging operation from the scaled measurement signal.

Abstract: A solar power generation system provides safety for personnel working on or around the system. The solar power generation system includes multiple solar panels, multiple cut-off devices separate from the plurality of solar panels and a master control unit. The cut-off devices are coupled in series with corresponding sub-groups of the plurality of solar panels and connect and disconnect outputs of the corresponding sub-groups from a solar power output chain or bus. The master control unit has at least one power supply output coupled to the plurality of cut-off devices, and a power supply input that receives a power source independent of an output of the plurality of solar panels. The cut-off devices are deactivated to open-circuit a connection of the corresponding sub-group when the power source is removed from the power supply input.

Abstract: In a moving-object power supply system, a control unit selects, as a power transmission segment, one of segments included in at least one power transmission section. The control unit supplies, through a power supply circuit, power to the power transmission segment to thereby generate a magnetic field through a power transmission coil of the power transmission segment. The control unit determines, based on an ascertained first electrical characteristic of the power transmission segment and an ascertained second electrical characteristic of at least one power non-transmission segment, whether there is a malfunction in each of the power transmission segment and the at least one power non-transmission segment.

Abstract: A wireless power transmission system includes a transmission antenna, a transmission controller, and a transmission power conditioning system. The transmission antenna is configured to couple with a receiver antenna and transmit virtual AC power signals to the receiver antenna. The transmission controller is configured to provide a driving signal for driving the transmission antenna based on an operating frequency and a virtual AC power frequency. The transmission power conditioning system includes at least one transistor that is configured to receive the driving signal, at a gate of the at least one transistor, and to receive an input power signal to generate the virtual AC power signals at the operating frequency and having peak voltages rising and falling based on the virtual AC power frequency.

Abstract: A housing and/or installation frameworks for a modular multi-level energy system includes a set of similar cabinets configured for orthogonal (e.g., vertical and horizontal) alignment of the modules. The cabinets are configured so modules of a particular phase are oriented along an axis parallel to a reference plane. Modules of the same level of the multi-level arrangement but of different phases are mounted in each cabinet, arranged such that a module for each phase is a defined distance from the reference plane. The cabinets are arranged equidistant and orthogonal to the reference plane, minimizing distance for connections between modules of the same phase across multiple cabinets, and facilitating convenient addition or removal of levels. The framework also facilitates data and reference signal connections between local control devices of the modules, and between the local control devices and a master control device for the system.

Abstract: An accessory power system includes an accessory power module having primary power switches, a transformer, and secondary rectifiers. The primary power switches are electrically connected to the high-voltage bus, and the secondary rectifiers are electrically connected to the low-voltage bus. A peak detector is coupled to the high-voltage bus. A controller is in communication with the peak detector circuit, and operatively connected to the primary power switches. The controller dynamically monitors, via the peak detector circuit, a ripple voltage of the high-voltage bus, compares the monitored voltage with a maximum threshold voltage, and disables the plurality of primary power switches when the ripple voltage of the high-voltage bus is greater than the maximum threshold voltage, and reactivates the primary power switches when the ripple voltage of the high-voltage bus is less than the maximum threshold voltage.

Abstract: A wireless power receiving device, according to the disclosure, comprises: at least one power receiving antenna for sequentially receiving a plurality of different RF waves formed by a wireless power transmitting device; a communication circuit; and at least one processor, wherein the at least one processor is configured to confirm a plurality of pieces of strength information that indicates the strength of each of the plurality of different RF waves, confirm a plurality of pieces of phase information corresponding to each of the plurality of different RF waves, confirm, on the basis of the plurality of pieces of strength information and the plurality of pieces of phase information, an optimum phase value such that a received RF wave has a maximum strength, and transmit a communication signal including information about the optimum phase value to the wireless power transmitting device through the communication circuit. Additional various embodiments are possible.

Abstract: A method for managing the electrical consumption of a watch including a step of identifying a need to charge an accumulator of the watch, and a step of charging the accumulator through guided actuation of a control member of an electrical energy generation mechanism of the watch, if a need to charge is identified.

Abstract: The vehicle includes a first communication device for directly or indirectly communicating with the ground power supplying apparatus by wide area wireless communication with a communication distance of greater than or equal to 10 meters, and an electronic control unit. The electronic control unit is configured to request the ground power supplying apparatus cancel supply of power to the vehicle by the wide area wireless communication when a predetermined condition is satisfied.

Abstract: In an embodiment, a method includes: wirelessly transmitting power using a transmitter LC tank; wirelessly receiving power from the transmitter LC tank using a receiver LC tank; interrupting wirelessly transmitting power for a slot period; during the slot period, shorting the receiver LC tank; during the slot period and after shorting the receiver LC tank, measuring a transmitter signal associated with the transmitter LC tank; determining a power loss associated with the wirelessly transmitting power based on the measured transmitter signal; and detecting a metallic object based on the determined power loss.

Abstract: An illustrative example embodiment of a wireless power transfer device includes an inductor panel and a capacitor panel adjacent the inductor panel. The capacitor panel includes a first conductive plate adjacent one side of the inductor panel, a dielectric layer adjacent the first conductive plate, and a second conductive plate adjacent the dielectric layer on an opposite side of the dielectric layer from the first conductive plate.

Abstract: A method to control storage into and depletion from multiple energy storage devices. The method enables an operative connection between the energy storage devices and respective power converters. The energy storage devices are connectible across respective first terminals of the power converters. At the second terminals of the power converter, a common reference is set which may be a current reference or a voltage reference. An energy storage fraction is determined respectively for the energy storage devices. A voltage conversion ratio is maintained individually based on the energy storage fraction. The energy storage devices are stored individually with multiple variable rates of energy storage through the first terminals. The energy storage is complete for the energy storage devices substantially at a common end time responsive to the common reference.