Abstract: A hidden type holder device includes: a stationary assembly, a movable assembly, and a first return spring, the movable assembly is accommodated in the stationary assembly and movable to the inside or outside of the stationary assembly, the movable assembly has a retractable holder assembly for accommodating an article, and two opposite end portions of the return spring are respectively mounted on the stationary assembly and the movable assembly.

Abstract: The present invention relates to a method and system for providing language learning services. The method of providing language learning services, according to the present invention, the method may include: activating, in response to receiving an input for acquiring a learning target image through a user terminal, a camera of the user terminal; specifying at least a portion of an image taken by the camera as the learning target image; receiving language learning information for the learning target image from a server; providing the language learning information to the user terminal; and storing, based on a request for storing of the language learning information, the language learning information in association with the learning target image, such that the learning target image is used in conjunction with learning of the language learning information.

Abstract: A semiconductor memory device includes a substrate including an element separation film and an active region defined by the element separation film, a bit line structure on the substrate, a trench in the element separation film and the active region, the trench on at least one side of the bit line structure and including a first portion in the element separation film and a second portion in the active region, a bottom face of the first portion placed above a bottom face of the second portion, a single crystal storage contact filling the trench, and an information storage element electrically connected to the single crystal storage contact.

Abstract: A battery pack is disclosed. In one aspect, the battery pack includes a battery unit including a plurality of main battery cells and an additional battery cell. The battery pack also includes a battery management system (BMS) configured to receive voltage information about the battery unit and control charging and discharging of the battery unit. The BMS includes at least one voltage measuring terminal configured to receive main voltage information about the main battery cell and an analog to digital converting terminal configured to receive additional voltage information about the additional battery cell.

Abstract: A battery pack and a method of controlling the same. The battery pack includes: a first battery module that includes at least one battery cell; a second battery module that includes at least one battery cell electrically connected to the first battery module; a charge/discharge control unit that breaks or connects a charge/discharge path of each of the first battery module and the second battery module; a first battery management unit that controls the first battery module; and a second battery management unit that generates a signal for controlling switches included in the charge/discharge control unit by referring to a state of the second battery module, wherein the first battery management unit and the second battery management unit are connected in parallel to the charge/discharge control unit.

Abstract: A battery pack is disclosed. In one aspect, the battery pack includes a battery unit including a plurality of main battery cells and an additional battery cell. The battery pack also includes a battery management system (BMS) configured to receive voltage information about the battery unit and control charging and discharging of the battery unit. The BMS includes at least one voltage measuring terminal configured to receive main voltage information about the main battery cell and an analog to digital converting terminal configured to receive additional voltage information about the additional battery cell.

Abstract: An apparatus for charging a battery of an electric device that has a motor by not charging the battery before the electric device is used and a method of charging a battery of an electric device that has a motor by using the apparatus. The apparatus includes a load, a motor for driving the load, a battery that provides a power supply to the motor, a generator that converts a kinetic energy that is generated by the motor to an electric energy, and a control unit that senses an amount of the load of the load and, if the amount of the load is less than a reference value, charges the battery by a first charging mode by using the electric energy output from the generator.

Abstract: A battery pack including a battery including a battery cell, a first switching unit at a main current path between the battery and a terminal, a second switching unit at the main current path between the battery and the terminal, and serially coupled to the first switching unit, a third switching unit at a bypass current path coupled in parallel to at least a part of the main current path, and configured to block or to allow an electric current on the bypass current path, and a controller for dividing a charging section of the battery, and for controlling at least one of the first switching unit, the second switching unit, or the third switching unit according to divided charging sections to charge the battery.

Abstract: A battery pack including a plurality of battery cell groups including a first battery cell group and a second battery cell group, a first switch that is connected to the first battery cell group, a second switch that is connected to the second battery cell group, and a controller configured to selectively control charging and discharging operations of the first battery cell group and the second battery cell group using the first switch and the second switch.

Abstract: A battery pack includes a battery module including a battery cell and configured to perform a first identification function for enabling a device outside the battery module to recognize characteristics of the battery cell, and a battery management system for controlling operations of the battery cell and configured to perform a second identification function for enabling a device outside the battery management system to recognize a type of the battery management system.

Abstract: Disclosed is a battery module including a plurality of rechargeable batteries, a protective circuit board controlling charging and discharging of the rechargeable batteries, and a connecting tab for combining the rechargeable batteries with the protective circuit board such that the connecting tab is provided with a catching protrusion which is inserted into a hole of the protective circuit board and thereby supports the protective circuit board.

Abstract: A manufacturing method for a protection circuit module of a secondary battery is disclosed. The method includes mounting a die type circuit device to an FPCB. The mounting of the circuit device includes bonding the circuit device to the FPCB by wire bonding. The method may further include forming a protective layer on the FPCB to cover the circuit device. The protective layer may be formed by coating insulation resin on the FPCB.

Abstract: A battery pack includes a bare cell and a protection circuit assembly electrically connected to the bare cell. The protection circuit assembly includes a protection circuit board on which a protection module, a PTC thermistor, an external connection terminal, a first connection terminal and a second connection terminal are mounted. A first lead plate and a second lead plate are in contact with the first connection terminal and the second connection terminal, respectively. The protection circuit board defines opposite lateral edges and a first groove in each of the opposite lateral edges, and the first lead plate is exposed through the first groove.

Abstract: The electrode assembly of the present invention having an electrode layer including a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode includes a stacking portion where the electrode layer is overlapped and disposed, and a connection formed between the stacking portions to connect the stacking portions and having a smaller thickness than the stacking portion.

Abstract: A protective circuit board includes a printed circuit board, the printed circuit board including a first region and a second region, at least one safety device on the first region of the printed circuit board, the first region being thinner than the second region along a direction perpendicular to a contact plane between the printed circuit board and the safety device, and an external connection terminal on the printed circuit board.

Abstract: A battery pack and a method of controlling the same. The battery pack includes: a first battery module that includes at least one battery cell; a second battery module that includes at least one battery cell electrically connected to the first battery module; a charge/discharge control unit that breaks or connects a charge/discharge path of each of the first battery module and the second battery module; a first battery management unit that controls the first battery module; and a second battery management unit that generates a signal for controlling switches included in the charge/discharge control unit by referring to a state of the second battery module, wherein the first battery management unit and the second battery management unit are connected in parallel to the charge/discharge control unit.

Abstract: A battery pack and a method of controlling the same are disclosed. According to some aspects, the battery pack includes at least one chargeable battery cell, and a charge control circuit that receives a control signal from an external source. The charge control circuit is configured to control charging of the battery cell according to the control signal. As a result, a charging operation may be stably performed.

Abstract: A method of charging a battery including at least one battery cell includes supplying a first current for charging the battery a first charge period, and supplying a second current for charging the battery for a second charge period, where the second current is less than the first current. The method also includes supplying a constant voltage for charging the battery for a set charge period.

Abstract: A battery pack including a battery including a battery cell, a first switching unit at a main current path between the battery and a terminal, a second switching unit at the main current path between the battery and the terminal, and serially coupled to the first switching unit, a third switching unit at a bypass current path coupled in parallel to at least a part of the main current path, and configured to block or to allow an electric current on the bypass current path, and a controller for dividing a charging section of the battery, and for controlling at least one of the first switching unit, the second switching unit, or the third switching unit according to divided charging sections to charge the battery.

Abstract: A protection circuit module (PCM) for a secondary battery including a bare cell is provided. The PCM includes: a flexible printed circuit board (FPCB); and control circuitry mounted on the FPCB via adhesive material and configured for electrical coupling to the bare cell through the FPCB. The control circuitry is adapted to control charging and discharging of the bare cell.