Abstract: An electronic device according to various embodiments comprises a communication module, a sensor module, a wireless charging antenna, a wireless charging module connected to the wireless charging antenna, and at least one processor, wherein the at least one processor may be configured to: receive a signal related to wireless charging from an external device through the communication module; check information indicating the degree of proximity between at least a part of a human body and the electronic device by using the sensor module at least on the basis of the signal; transmit, to the external device, data for adjusting wireless power to be output by the external device at least on the basis of the information; and receive the adjusted wireless power from the external device through the wireless charging module.

Abstract: A job box includes a base defining a storage area, a lid coupled to the base and moveable between an open position, in which the storage area is accessible, and a closed position, in which the storage area in not accessible, and a charging station supported by the base. The station includes a first charging port configured to charge a battery pack of a first type, a second charging port configured to charge a battery pack of a second type, a light, and a first power outlet. The charging station is moveable relative to the job box to a plurality of different positions.

Abstract: A mild-hybrid energy storage system architecture is provided, comprising: a battery; an ultracapacitor connected in parallel with the battery; a passive battery pre-charge circuit connected between a terminal of the battery and a DC bus; a battery main contactor connected in parallel with the battery pre-charge circuit between the terminal of the battery and the DC bus; a passive ultracapacitor pre-charge circuit connected between a terminal of the ultracapacitor and the DC bus; an ultracapacitor main contactor connected in parallel with the ultracapacitor pre-charge circuit between the terminal of the ultracapacitor and the DC bus; and a control module configured to independently control operation of the battery pre-charge circuit, the battery main contactor, the ultracapacitor pre-charge circuit and the ultracapacitor main contactor.

Abstract: Systems and methods are disclosed for advising a user when an energy storage device in a computing system needs charging. State of charge data of the energy storage device can be measured and stored at regular intervals. The historic state of charge data can be queried over a plurality of intervals and a state of charge curve generated that is representative of a user's charging habits over time. The state of charge curve can be used to generate a rate of charge histogram and an acceleration of charge histogram. These can be used to predict when a user will charge next, and whether the energy storage device will have an amount of energy below a predetermined threshold amount before the next predicted charging time. A first device can determine when a second device typically charges and whether the energy storage device in the second device will have an amount of energy below the predetermined threshold amount before the next predicted charge time for the second device.

Abstract: In a portable device, a load module includes a discharge switch for discharging a battery pack, and a detection circuit that detects a protection signal to control the discharge switch. A charge module includes a charge switch for charging the battery pack, and a detection circuit that detects the protection signal to control the charge switch. The battery pack includes a protection terminal that provides the protection signal, and protection circuitry that sets the protection signal to a state according to the battery pack's status. The protection signal turns the charge switch on and the discharge switch off if the protection signal is in a first state, turns the charge switch off and the discharge switch on if it's in a second state, turns the charge and discharge switches off if it's in a third state, and turns the charge and discharge switches on if it's in a fourth state.

Abstract: A metal object detecting device for a wireless charging device is provided and includes an object detection coil, a relay and an object detector circuit. The wireless charging device has a transmitter coil, a first digital signal processor and a receiver coil. The object detection coil is disposed above the transmitter coil. The relay is connected to the object detection coil. The object detector circuit is connected to the relay and the first digital signal processor. The transmitter coil transmits a power signal to the receiver coil within a power supplying time. The relay is turned on during an object detection time such that an oscillation signal is generated from the object detection coil and the object detector circuit as a basis for determining whether or not a metal object is close to the wireless charging device.

Abstract: The present invention provides a wireless charger with a flowing display effect, which comprises a shell, a wireless charging module and an effect display module, wherein the wireless charging module and the effect display module are respectively arranged in a first accommodating space and a second accommodating space formed by the shell, and users can directly use the wireless charger for charging operation; when the wireless charger is idle, the effect display module can provide better enjoyment and can interact with users, thus greatly improving the user's experience.

Abstract: Various embodiments of the present invention are directed at a method and system for recharging batteries for wireless electronic devices. According to one embodiment, a battery charging and monitoring system is disclosed. The system includes a host machine providing a plurality of charging slots and a plurality of wireless devices coupled to and powered by a plurality of batteries. The host machine is adapted to communicate with the plurality of wireless devices through a plurality of wireless links to monitor the plurality of batteries coupled to the wireless devices. According to another embodiment, an electronic device is disclosed. The electronic device is adapted to couple with at least a rechargeable battery and to negotiate with the rechargeable battery for an agreed range of power parameters. The electronic device is further adapted to accept power from and to provide power to the rechargeable battery at the agreed range of power parameters.

Abstract: A wireless power system includes a phase locked loop (PLL) providing an input signal tuned in frequency, a plurality of dividers coupled to the PLL to divide the frequency of the input signal, a plurality of phase interpolators electrically connected to the plurality of dividers to generate multiple phases based on the input signal, and a plurality of drivers electrically connected to the plurality of phase interpolators to direct a plurality of output signals each having a different frequency to a plurality of sensor clusters, each sensor cluster operating at a different frequency.

Abstract: An electromagnetic-induction supply device may comprise: a current transformer installed on a power line and including one or more coils, a first core, and a second core; and a breaker unit connected to at least one of the one or more coils, wherein the breaker unit forms a closed circuit with the at least one of the one or more coils to switch the current transformer to a short-circuit mode in which the first core and the second core can be separated. Therefore, when the electromagnetic-induction power supply device is brought close to or installed on a live power line, the breaker unit prevents the formation of a magnetic field and thus the electromagnetic-induction power supply device can be easily attached/detached to/from the power line.

Abstract: In an aspect the current disclosure is directed to an electric vehicle charger for an electric vehicle. The electric vehicle charger is comprised of an energy source, a transmitter coil electrically connected to the energy source and configured to wirelessly conduct a current in a receiver coil using induction, at least a proximity sensor configured to generate alignment data relating to an electric vehicle, and a computing device that is communicatively connected to the at least a proximity sensor. The computing device may be configured to identify the electric vehicle. Identification may include receiving and authenticating at least an identification datum, and identifying the electric vehicle using that; The computing device is configured to align the transmitter coil with the receiver coil using the alignment data. Additionally, the computing device may be configured to authorize the electric vehicle to be begin charging as a function of the authentication.

Abstract: The present invention relates to a battery protection circuit for accurately detecting and blocking overcurrent by overcharge and overdischarge by using a power management IC (PMIC) side sensing resistor provided in an external system and connected to a battery without a separate shunt resistor mounted in the battery, and an overcurrent blocking method using the same.

Abstract: A method that includes: transmitting, by an electronic device, a first detecting signal when the electronic device is in a reverse wireless charging mode; receiving, by the electronic device at a gap moment between at least two adjacent moments at which the first detecting signal is transmitted, a second detecting signal transmitted by a wireless charging device; and if the second detecting signal received by the electronic device meets a preset condition, automatically switching, by the electronic device, from the reverse wireless charging mode to a forward wireless charging mode.

Abstract: The present invention relates to a method for detecting foreign material, and an apparatus and a system therefor, and a method for detecting foreign material in a wireless power transmitter, according to one embodiment of the present invention, comprises the steps of: measuring a quality factor value, which corresponds to a reference operation frequency, when an object is sensed; searching for a current peak frequency having a maximum quality factor value within an operation frequency band; receiving, form a wireless power receiver, a foreign material detection state packet including information on a reference peak frequency; correcting the measured quality factor value by using a difference value between the current peak frequency and the reference peak frequency; and determining whether the foreign material exists by comparing the corrected quality factor value with a predetermined quality factor threshold value.

Abstract: A detector 100, which detects an abnormality of a communication line L1 connecting a moving body controller 30 and an energy storage apparatus 50 that are mounted on a moving body 10, detects occurrence or non-occurrence of the abnormality of the communication line L1 based on at least two pieces of information from: a moving body state signal Sv transmitted from the moving body controller 30 to the energy storage apparatus 50 and stored in the energy storage apparatus 50; a communication state between the moving body controller 30 and the energy storage apparatus 50; and information on the charge and discharge of the energy storage apparatus 50.

Abstract: Discharging a battery is accomplished by: applying an electrical stimulus to the battery; measuring a response to the electrical stimulus, the measured response providing an indication of discharge efficiency of the battery; determining a target frequency corresponding to a maximum discharge efficiency; and then discharging the battery with a discharge current profile comprising current pulses having a frequency component selected based on the determined target frequency.

Abstract: A method of determining a charger of a mobile terminal, and which includes receiving, via a controller of the mobile terminal, a connection signal indicating the charger is connected to the mobile terminal; setting, via the controller, a charging current of the charger for charging the mobile terminal and increasing the set charging current in predetermined current units; measuring, via the controller, an actual current received from the charger and applied to the mobile terminal; comparing, via the controller, the set charging current with the measured actual current; determining, via the controller, a charging sector of the charger when the set charging current is larger than the measured actual current for a first predetermined amount of time; and calculating a charging current capacity of the charger using the determined charging sector.

Abstract: An assembled battery system is disclosed that includes a plurality of serially-connected battery cells; voltage detecting lines connectable at one ends to electrodes of the battery cells of the assembled battery; electric resistors serially-connected at one ends to the other ends of the voltage detecting lines; capacitors connected to the other ends of the electric resistors, each of the capacitors being configured to electrically interconnect one of the voltage detecting lines and the other voltage detecting line; voltage measuring circuits connected respectively to each of the voltage detecting lines; electrically openable short-circuiting switches arranged between the capacitors and the voltage measuring circuits and parallel-connected to the capacitors; and a monitoring circuit that detects a difference between a first measurement result and a second measurement result with respect to each of the short-circuiting switches and a failure of the voltage detecting lines, the short-circuiting switches or the v

Abstract: Methods and systems are provided for determining a state of charge of a battery. The battery is subjected to a predetermined magnetic field such that the battery and the predetermined magnetic field jointly create a resultant magnetic field. The resultant magnetic field is sensed. The state of charge of the battery is determined based on the resultant magnetic field.

Abstract: A power storage apparatus provided with a capacitor module and a power storage control circuit is connected between a generator and an electrical load. The capacitor module includes a plurality of capacitors and a plurality of switching devices which are connected in series with the capacitors, respectively, the capacitors and the switching devices together constituting a plurality of series circuits which are connected parallel to each other. When starting up the generator, the power storage control circuit controls only the specified switching device to become ON in order to quickly charge the capacitor which is connected in series with the switching device so that a voltage of the capacitor module is increased and a power source for starting up the generator is produced as high speed.