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: Methods and devices for wired charging and communication with a wearable device are described. In one embodiment, a symmetrical contact interface comprises a first contact pad and a second contact pad, and particular wired circuitry is coupled to the first and second contact pads to enable charging as well as receive and transmit communications via the contact pads as part of various device states.

Abstract: A charging device (10) for an electrical charging process of a mobile device (200) in a vehicle, having a charging face (20) for placing a mobile device (200) on in a contact-forming fashion, and electrical charging means (30) for electrically charging a mobile device (200) which is placed on the charging face (20), further having an encapsulating housing (40) which at least partially surrounds the charging face (20). The encapsulating housing (40) has at least one inlet section (42) with at least one inlet opening (44) for letting in passenger compartment air (IL) from the passenger compartment of the vehicle as cooling air (KL) for cooling the mobile device (200) and/or the charging face (20), and at least one outlet section (46) with at least one outlet opening (48) for letting out the cooling air (KL) into the passenger compartment of the vehicle.

Abstract: An example electrical power system includes a bus current controller configured to adjust a direct current (DC) provided on a DC bus, and a plurality of energy storage modules (ESMs). Each ESM includes at least one energy storage device, and includes a DC/DC converter configured to control charging of the at least one energy storage device from the DC bus and discharging of the at least one energy storage device onto the DC bus. A shared system controller is configured to control the bus current controller and the plurality of DC/DC converters. A method of controlling an electrical power system is also disclosed.

Abstract: A vehicle includes: a battery that is chargeable with electric power supplied from a charger provided outside the vehicle; and an air-conditioning and cooling system that cools the battery. An ECU controls a charging operation for the battery such that the battery is charged under a charging condition of a constant current which is constant over a charging period from start of charging to satisfaction of a completion condition. The ECU sets the charging condition such that a battery temperature when the completion condition is satisfied becomes an upper limit temperature, based on an amount of heat generation in the battery caused by charging and an amount of cooling of the battery by the air-conditioning and cooling system.

Abstract: A charging control method, a device, a storage medium and a wireless charging base are provided. The method can be applied to a wireless charging base comprising wireless charging units, each supporting a variety of wireless charging standards, and each wireless charging unit wirelessly charges for electronic devices.

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 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 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: 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 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: 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: 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 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.

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 device for controlling a pre-charge current generated when electrically connecting a first terminal and a second terminal, according to one embodiment of the present invention, may comprise: a switch for controlling a magnitude of a current flowing between the first terminal and the second terminal; a first resistor for generating a base voltage of a first transistor in proportion to a magnitude of the pre-charge current flowing between the first terminal and the second terminal; the first transistor for limiting the magnitude of the pre-charge current when a voltage generated by the first resistor is equal to or greater than a predetermined threshold voltage; a photocoupler for receiving, in a state insulated from a first power source, an optical signal from the first power source and supplying power; a capacitor charged by the power supplied by the photocoupler; a second transistor for controlling the magnitude of the pre-charge current on the basis of a charging voltage of the capacitor; and a second res

Abstract: A wireless charging method in a wireless power transmitter, the method including sensing an object in a charging region, measuring a quality factor value, receiving information including a reference quality factor value, detecting a foreign object using the measured quality factor value and the reference quality factor value, and transmitting a response signal that includes ACK information or NAK information depending on whether or not the foreign object is detected. Further, the wireless power transmitter transmits information including a first guaranteed power value when the response signal includes the ACK information, and transmits information including a second guaranteed power value when the response signal includes the NAK information, and the first guaranteed power value is greater than the second guaranteed power value.

Abstract: Deterioration of a storage battery included in an electronic device is reduced. Power consumption of an electronic device is reduced. A power feeding device having excellent performance is provided. The power feeding device includes a power feeding coil, a control circuit, and a neural network and has a function of charging a storage battery with a wireless signal supplied by the power feeding coil. The control circuit has a function of estimating a remaining capacity value of the storage battery, the control circuit has a function of supplying the estimated remaining capacity value to the neural network, the neural network outputs a value corresponding to the supplied remaining capacity value to the control circuit, the control circuit determines a charge condition for the storage battery on the basis of the value output by the neural network, and the power feeding device has a function of charging the storage battery under the determined charge condition.

Abstract: A rechargeable battery jump starting device and a battery frame for use in an electronic device such as a portable rechargeable battery jump starting device. The rechargeable battery jump starting device maximizes the power conducted from the rechargeable battery to a battery being jump started.

Abstract: An example operation includes one or more of receiving a first energy, at a target transport, from a charging station at a first value during a first amount of time, and the target transport and the charging station are physically connected, and receiving a second energy, at the target transport, from a providing transport at a second value greater than the first value during a second amount of time less than the first amount of time, and the target transport and the providing transport are wirelessly connected.