Abstract: A system for determining a relative pose between a primary winding structure and a secondary winding structure of a system for inductive power transfer. The system includes at least a first pose determining means for determining a relative pose, wherein the relative pose is determinable by the first pose determining means. The system further includes at least one correcting means for correcting the pose determination by the first pose determining means. A correction of the pose determination is adjustable.

Abstract: A method and an apparatus for monitoring a Battery Backup Unit (BBU) (312), a server (301), and a readable storage medium (330) are provided. The method includes following steps: monitoring a voltage and a ampere-hour of the BBU (312) (S101); when the voltage is static and the variation of the ampere-hour is greater than a variation threshold value, determining a current moving window point by a remaining power percentage curve corresponding to the BBU (312) (S102); determining a current moving window by a previous moving window point and the current moving window point (S103); and calculating a remaining capacity of the BBU (312) by the current moving window (S104).

Abstract: Systems and methods are described for managing charging and discharging of battery packs. In one or more aspects, a system and method are provided to minimize overcharging of battery cells of specific battery chemistries while still enabling fast charging cycles. In other aspects, a buck converter may be used to reduce a voltage of power used to charge the cells. In further aspects, a fast overcurrent protection circuit is described to address situations involving internal short circuits of a battery cell or battery pack. In yet further aspects, a bypass circuit is provided in series-connected battery packs to improve the charging of undercharged battery packs while also increasing the efficiency of the overall charging process. In other aspects, a circuit is provided that permits a controller to determine a configuration of battery packs.

Abstract: A mobile device charging apparatus includes a mobile device case including an electrical adapter configured to connect with a charging port of a mobile device. A gearbox is arranged in the case. The gearbox includes interconnected gears configured to generate electrical energy by rotating the interconnected gears. A mechanical crank is configured to rotate the interconnected gears of the gearbox to generate the electrical energy. A printed circuit board (PCB) is in electrical communication with the gearbox. The PCB is in electrical communication with the electrical adapter. A battery is in electrical communication with the PCB. The battery is configured to store the electrical energy generated by rotating the interconnected gears of the gearbox. The PCB is configured to charge the mobile device by transferring the stored electrical energy from the battery to the electrical adapter configured to connect with the charging port of the mobile device.

Abstract: A wireless power system may include power transmitting devices, power receiving devices, and power transmitting and receiving devices. Control circuitry in the power transmitting and receiving device may determine whether to operate in a power receiving mode or a power transmitting mode. The preferred mode for the power transmitting and receiving device may depend on the types of devices within the system, the state of charge of the batteries of the devices in the system, whether or not one or more devices in the system are connected to a wired power source, etc. Each power transmitting and receiving device may have a default mode. Upon detection of an adjacent device, the wireless power transmitting and receiving device enters a configuration phase in its default mode. Before or during a power transfer phase, the power transmitting and receiving device may swap roles from its default mode to another mode.

Abstract: A method of operating a medical device comprises electrically connecting a power device to the medical device. The method further comprises sensing at least one characteristic of one of the medical device with the power device. The method further comprises adjusting or maintaining one or more characteristics of an electrical connection feature the power device according to the at least one observed characteristic such that the electrical connection features of the power device and medical device are operationally compatible, and operating the power device according to an operational profile associated with the medical device.

Abstract: A wireless power transmission system includes a wireless power transmitter, a wireless power transfer circuit electrically connectable to the at least one wireless power transmitter, and a transmitter controller. The transmitter controller is configured to determine presence of a wireless power receiver system, encode or decode a communications signal communicated over a magnetic field, the magnetic field produced by coupling of the wireless power transmitter and the one or more wireless power receiver systems. The transmitter controller is further configured to determine presence of one or more of unwanted noise, unwanted data, or combinations thereof, within a proximity communications frequency band, the proximity communications frequency band substantially similar to the communications frequency band. The transmitter controller is further configured to filter the one or more of unwanted noise, unwanted data, or combinations thereof to determine a filtered communications signal.

Abstract: Gaps between transmitters and receivers in wireless power systems and related systems, methods, and devices are disclosed. A housing includes an internal surface configured to face a receive power coil and an external surface configured to face a wireless power transmitter. The external surface is shaped to define one or more gaps between the external surface and a surface of the wireless power transmitter responsive to placement of the external surface into engagement with the surface of the wireless power transmitter. An electronic device includes a receive power coil and a barrier including an internal surface facing the receive power coil and an external surface configured to face a transmit power coil. The external surface defines a gap between the external surface and a surface of the wireless power transmitter responsive to placement of the external surface in engagement with the surface of the wireless power transmitter.

Abstract: Power transmission to a power reception unit that is performed by a power transmission unit and, in turn, non-contact charging of a battery mounted on a vehicle are suspended on the condition that the existence of a foreign object is detected around the power transmission unit. A designated period that is a suspension period of power transmission performed by the power transmission unit is set to vary in accordance with the type of a foreign object, that is, in the present embodiment, depending on whether a foreign object is a metal piece or an object containing metal (first foreign object) or a living body (second foreign object).

Abstract: A charging control apparatus, a device to be charged, and a charging control method are provided. The charging control apparatus includes: a first charging channel configured to charge a plurality of cells coupled in series according to a charging signal provided by a first-type power supply device; a second charging channel configured to charge a part of the cells in the plurality of cells according to a charging signal provided by a second-type power supply device; and an equalizing circuit configured to equalize a voltage of the plurality of cells during an operating process of the second charging channel.

Abstract: An electronic device-charger set is provided including an electronic device, and a charger with which the electronic device is configured to interlock. The electronic device includes a body including a batter and a connector electrically connected to the battery, a clip extending along the body, and a magnet provided at the clip. The charger includes a charging connector disposed at a position connecting with the connector in state in which the electronic device is interlocked with the charger, a recess formed at a position to house the clip in state in which the electronic device is interlocked with the charger, and an attracting magnet provided at an opposing portion of the recess opposing the magnet and configured to generate an attraction force between the attracting magnet and the magnet.

Abstract: A parking aid system aids in alignment parking of a vehicle to a parking space. The vehicle includes: a power receiving unit which receives the electrical power for alignment by way of a power receiving coil; a voltage measuring unit which measures voltage of the power receiving coil; a coil type specifying unit which specifies a type of the power supply coil during the alignment parking; and an alignment aid unit which calculates a target position of the power receiving unit, based on a voltage measured value. The alignment aid unit, in a case of the type of the power supply coil being a DD-type coil, calculates the position of a first peak P1 in the voltage measured value when changing the relative position between the power supply unit and the power receiving unit, and then calculates the target position based on the position of the first peak P1.

Abstract: This application discloses a coil module, which includes: an insulation layer, a first planar coil winding, and a second planar coil winding, one turn of coil of the first planar coil winding includes a first portion, a second portion, and a first connection part, and one turn of coil of the second planar coil winding includes a third portion, a fourth portion, and a second connection part. The first connection portion connects an outer side part of the first portion and an inner side part of the second portion, the second connection portion connects an inner side part of the third portion and an outer side part of the fourth portion, and there is an overlap between a projection of the first connection portion on a plane of the insulation layer and a projection of the second connection portion on the plane of the insulation layer.

Abstract: A wall-mounted wireless battery charger for a wireless remote lighting controller includes: a wall plate configured to removably retain the wireless remote lighting controller; and an inductive charging transmitter circuit coupled to the wall plate, the inductive charging transmitter circuit being configured to wirelessly interface with an inductive charging receiver circuit of the wireless remote lighting controller when the wireless remote lighting controller is retained by the wall plate. The inductive charging receiver circuit is configured to wirelessly receive power from the inductive charging transmitter circuit and generate a direct current (DC) voltage to charge a battery of the wireless remote lighting controller.

Abstract: Disclosed are systems, methods, and devices for balancing a battery pack that comprises a plurality of battery cells. A first charging protocol to charge the battery pack is employed, and while the battery pack is being charged, a determination is made whether the battery pack is imbalanced. After determining that the battery pack is imbalanced, a determination is made whether a value of the state of charge (SoC) of the battery pack corresponds to a particular range of values. After determining that the value of the SoC of the battery pack corresponds to the particular range of values and that the battery pack is imbalanced, a second charging protocol to charge the battery pack is employed, wherein the second charging protocol is different from the first charging protocol.

Abstract: A computer implemented method, system and device are provided. The method transmits an energizing signal from an external antenna, coupled to a local external device (LED), to an implanted antenna of a passive implanted medical device (PIMD). The energizing signal is transmitted while the external antenna is at first and second positions. The method receives, at the external antenna, first and second energy transfer characteristic (ETC) values associated with the first and second positions, respectively. The method is under control of one or more processors configured with program instructions. The method analyzes the first and second ETC values to determine a difference therebetween. The method provides an energy transfer level (ETL) indicator based on the difference between the first and second ETC values. The ETL indicator provides feedback regarding a degree of energy transfer associated with at least one of the first and second positions.

Abstract: A system and method for wireless charging a wireless earbud. The wireless earbud having a body that includes a passive magnetic shield and a coil. The coil is wound around a portion of the body comprising the passive magnetic shielding. The wireless earbud receiving wireless energy in response to the placement of the body within an electromagnetic field, which results in the charging of a battery of the wireless earbud.

Abstract: Provided are a wireless charging method, an electronic device and a wireless charging apparatus. The method includes: monitoring a present voltage of a battery of the electronic device, after communication between a wireless charging apparatus and an electronic device is established; in response to the present voltage of the battery being greater than a preset fast charging voltage, controlling a voltage and current adjusting module of the electronic device to operate, to perform step-down and current rising on a direct current power outputted by the wireless receiving module of the electronic device and provide the direct current power after the step-down and current rising to the battery; determining an initial voltage value and sending the initial voltage value to the wireless charging apparatus, to enable the wireless charging apparatus to control a voltage of an adjustable direct current power according to the initial voltage value.

Abstract: A magnetic wireless charging holder includes a holder body and a main body. The main body is disposed on the holder body. The main body includes a housing, a wireless charging module, and a first magnet configured to attract a built-in magnet of a mobile phone. A magnetic shield is fixed in the housing for attracting and positioning the first magnet. With the first magnet, the product has a magnetic attraction function. The first magnet and the built-in magnet of the mobile phone are mutually attracted each other to achieve a rapid and accurate alignment.

Abstract: A wireless power system may include power transmitting devices, power receiving devices, and power transmitting and receiving devices. During a configuration phase (e.g., when placed adjacent to another device), a battery-powered transmitting device may transmit information to the additional device that identifies a presence of the battery in the transmitting device. The battery-powered transmitting device may periodically report its state of charge to a power receiving device using in-band communication. The battery-powered transmitting device may report its state of charge before a power transfer phase (e.g., in the configuration phase) or during the power transfer phase. The battery-powered transmitting device may report its state of charge to the power receiving device in response to a state of charge query from the power receiving device. The power receiving device may display the state of charge of the battery of the power transmitting device.