Abstract: Disclosed is an electronic device including a battery; a temperature sensor; a charging circuit configured to charge the battery; a coil antenna; and at least one processor configured to measure a temperature corresponding to at least a part of the electronic device by using the temperature sensor; charge the battery depending on a first charging characteristic by using the charging circuit and supply a current to the coil antenna to allow the coil antenna to emit heat, when the temperature satisfies a first specified condition; and charge the battery depending on a second charging characteristic by using the charging circuit, when the temperature satisfies a second specified condition, after the current is supplied.
March 9, 2018
Date of Patent:
July 20, 2021
Yong Seung Yi, Du Hyun Kim, Hyun Seok Kim, Ho Yeong Lim, Dong II Son
Abstract: A distributed converter for delivering power to a set of loads is provided. The distributed converter includes a converter battery distribution unit that includes a converter-modular power tile, and the converter-modular power tile includes a battery pack configured to deliver power to a load of the set of loads.
January 18, 2018
Date of Patent:
July 20, 2021
GE Aviation Systems Limited
Russell Mark Compton, John Oliver Collins, Hao Huang, David Killin Roberts
Abstract: This disclosure provides a method and apparatus for controlling a plurality of radio-frequency (RF) power harvesters configured to generate power from received RF signals. A controller may monitor output power from the RF power harvesters and a sequence of reset signals. Based on the output powers and the sequence of reset signals, the controller may couple the RF power harvesters to a charge-storage device and one or more voltage regulators. In some implementations, the controller may also monitor RF envelope amplitude and couple the RF power harvesters to the charge storage device based on RF envelope amplitude.
Abstract: In some implementations, a wireless charger includes a power transmission coil, a magnet sensor, an electromagnet, and control circuitry. The power transmission coil can wirelessly provide power at a charging area of the wireless charger through inductive coupling. The magnet sensor is arranged to detect the presence of a magnet at the charging area. The electromagnet can generate a magnetic field in the charging area when the electromagnet is energized. The control circuitry is able to selectively energize the electromagnet based on signals generated using the magnet sensor.
Abstract: A portable electronic smoking device includes a housing, an electronic smoking apparatus, and an energy storage device. The housing is provided with at least one receiving slot for receiving the electronic smoking apparatus, the electronic smoking apparatus is mounted on a bottom wall of the receiving slot, and a part of an outer peripheral surface of the electronic smoking apparatus is covered by the receiving slot. The housing is mounted with a first magnet. The electronic smoking apparatus is received in the receiving slot when it's not in use, a part of the body of the electronic smoking apparatus is exposed, in the state where the electronic smoking apparatus is placed horizontally. Thus it's convenient to use and reachable, and it's helpful to the heat dissipation of the electronic smoking apparatus. In addition, the first magnet is configured at the bottom wall of the receiving slot, without worrying about the electronic smoking apparatus falling from the receiving slot.
Abstract: Various embodiments provide battery packs. A battery pack includes: a battery including at least one battery cell and configured to be discharged at a first discharge current or a second discharge current; and a switch connected to the battery and placed on a high current path through which charge current and discharge current of the battery flow, wherein when the discharge current of the battery is the first discharge current, discharging of the battery is stopped as voltage of the battery reaches a first discharge cut-off voltage, and when the discharge current of the battery is the second discharge current, discharging of the battery is stopped as the voltage of the battery reaches a second discharge cut-off voltage, wherein the first discharge current is greater than the second discharge current, and the first discharge cut-off voltage is greater than the second discharge cut-off voltage.
Abstract: A battery charging management method and a terminal, where the method includes charging, by the terminal, a battery according to a first charging policy, where the first charging policy includes a first voltage and a first current for charging the battery obtaining, by the terminal, a battery capacity of the battery when the terminal fully charges the battery for N times, where N is a positive integer determining, by the terminal, a second charging policy based on the battery capacity, where the second charging policy includes a second voltage and a second current for charging the battery and charging, by the terminal, the battery according to the second charging policy.
Abstract: A charge control device can include a plurality of control units that are mutually connected by a communication line and control charging of different batteries. The control units can each include a communication state acquisition unit that acquires a communication state of another control unit of the control units through the communication line. The control units can each include a detection unit that detects an abnormality of the other control unit based on the communication state of the other control unit acquired by the communication state acquisition unit. The control units can each include a suppression unit that suppresses an operation of the other control unit for which an abnormality is detected by the detection unit.
Abstract: A charger for an electronic device includes a rechargeable battery, at least one charging port in the device electrically coupled with the battery, a wireless charger electrically coupled with the battery and a magnetic mount magnetically engageable with a ferromagnetic element in the electronic device. The magnetic mount is adjacent the wireless charger. The charger is mountable to a personal travel case. The electronic device may be magnetically coupled to the charger. Alternatively, the charger may be electrically connected to the electronic device with the electronic device remotely attached to the personal travel case through a magnetic bracket fixed to the personal travel case.
Abstract: A wireless charging device includes a casing, a triggering switch, a supporting assembly, a clamping mechanism and a control module. The supporting assembly is located at an end of the casing. In response to a weight of an electronic device, the triggering switch is pressed and triggered. When the triggering switch is triggered, a triggering signal is generated. The clamping mechanism is electrically connected with the triggering switch. In response to the triggering signal, the clamping mechanism is moved relative to the casing to clamp the electronic device on the supporting assembly. The control module is connected with the supporting assembly. When the control module is triggered, the triggering switch is not pressed by the supporting assembly and the electronic device is not clamped by the clamping mechanism.
Abstract: A wireless charging device includes a base, a charging board and an adjusting module. The charging board is movable relative to the base. The electronic device is supported by the charging board and the base collaboratively. The charging board transmits the electric power to the electronic device in a wireless transmission manner. The adjusting module is connected with the base and the charging board. The charging board is movable relative to the base through the adjusting module. The adjusting module includes a shape-changing mechanism and a sliding mechanism. The shape-changing mechanism is installed on the base and connected with the charging board. As the shape-changing mechanism is swung relative to the base, an installation status of the charging board is changed. The sliding mechanism is disposed on the shape-changing mechanism. The charging board is slidable relative to the base through the sliding mechanism.
Abstract: A device, system, and method enhances battery performance on a user equipment. The user equipment includes a rechargeable battery, a charging circuit, and a processor. The charging circuit controls a recharging operation for the rechargeable battery. The processor determines an activity condition and a charge condition, the activity condition based on a foreground activity running on the user equipment, the charge condition based on a charge capacity of the rechargeable battery being above a capacity threshold. The processor selects a first charging rate at which the charging circuit recharges the rechargeable battery when at least one of the activity condition and the charge condition is absent. The processor selects a second charging rate when the activity condition and the charge condition are present, the second charging rate being less than the first charging rate.
Abstract: Provided is a non-contact power transmission system with which it is possible to ion a primary coil and a secondary coil more accurately. A vertical distance estimation unit estimates the vertical distance between the center of the primary coil and the secondary coil on the basis of a voltage value detected by a voltage detector. A horizontal distance estimation unit estimates the horizontal distance between the center of the primary coil and the center of the secondary coil on the basis of the vertical distance estimated by the vertical distance estimation unit, the voltage value detected by the voltage detector, and the voltage value-distance information stored on the memory.
Abstract: A charging device includes an AC/DC converter, a first DC/DC converter, a second DC/DC converter, and an inductance element. The AC/DC converter is connected to an external power source and configured to convert AC power into DC power. The first DC/DC converter is configured to convert a voltage the DC power outputted from the AC/DC converter and supply the resultant DC power to a first battery. The second DC/DC converter is connected in parallel to the first battery on the output side of the first DC/DC converter, and configured to convert a voltage of the DC power outputted from the first DC/DC converter and supply the resultant DC power to a second battery. The inductance element is provided between the first DC/DC converter and the second DC/DC converter, and connected in series to the first DC/DC converter and the second DC/DC converter.
Abstract: A method and apparatus for preventing cross-talk in systems employing one-to-many magnetic resonance power transfer are disclosed. A method may include powering down a magnetic resonance coil, receiving an identifier from a power receive unit located at a predetermined charging location using close-range wireless communication, powering up the coil, receiving information from the power receive unit using short-range wireless communication addressed with the identifier, transferring energy from the power transfer unit to the power receive unit using the coil, and displaying an indication of the status of the battery to a display communicatively coupled to the power transfer unit. The predetermined location may be among a plurality of locations for a plurality of power receive units in proximity to the power transfer unit and the information received from the power receive unit may be indicative of a status of a battery electrically coupled to the power receive unit.
Abstract: A multiple device charging case assembly for carrying and charging a plurality of electronic devices includes a case that has a terraced interior thereby defining a plurality of storage areas within the case. Each of the storage areas can contain an electronic device that has dimensions corresponding to a respective one of the storage areas. A plurality of charge ports is each positioned within the case and each of the charge ports is positioned in a respective one of the storage areas. In this way each of the charge ports can be placed in electrical communication with the electronic devices in each of the storage areas for charging the electronic device positioned in each of the storage areas.
Abstract: A vehicle system for providing a service to a mobile device includes a WiFi emitter configured to emit a plurality of WiFi signals, each of the plurality of WiFi signals corresponding to a respective zone within the vehicle, and a WiFi control module that selectively controls the WiFi emitter to emit one or more signals to respective zones. Each zone corresponds to a particular occupant area within the vehicle.
Abstract: Methods, systems, and devices for protecting a wireless power transfer system. One aspect features a sensor network for a wireless power transfer system. The sensor network includes a differential voltage sensing circuit and a current sensing circuit. The differential voltage sensing circuit is arranged within a wireless power transfer system to measure a rate of change of a voltage difference between portions of an impedance matching network and generate a first signal representing the rate of change of the voltage difference. The current sensing circuit is coupled to the differential voltage sensing circuit and configured to calculate, based on the first signal, a current through a resonator coil coupled to the wireless power transfer system.
Abstract: A communication amount and a processing load of an external circuit of a power supply management integrated circuit are reduced. The power supply management integrated circuit includes a state determination unit and a battery remaining quantity measurement unit. In the power supply management integrated circuit, the state determination unit determines which one of a plurality of states corresponding to different cycles a charge/discharge state of a battery falls under. Furthermore, in the power supply management integrated circuit, the battery remaining quantity measurement unit measures a battery remaining quantity of the battery each time when the cycle according to the state of charge/discharge state of the battery determined by the state determination unit elapses.
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.
March 1, 2019
Date of Patent:
June 8, 2021
THE NOCO COMPANY
Jonathan Lewis Nook, William Knight Nook, Sr., James Richard Stanfield, Derek Michael Underhill