Abstract: A method performed by a managing server includes: receiving, from an electronic device, operation data of the electronic device; identifying, by using artificial intelligence (AI), a device usage pattern of the electronic device; identifying, by using the AI, information related to a failure or an abnormal operation of the electronic device and a solution to the failure or the abnormal operation based on the device usage pattern and the operation data received from the electronic device; and transmitting, to a user terminal, the information related to the failure or the abnormal operation of the electronic device and the solution to the failure or the abnormal operation.

Abstract: Provided are a silicon nitride film etching composition, a method of etching a silicon nitride film using the same, and a manufacturing method of a semiconductor device. Specifically, a silicon nitride film may be stably etched with a high selection ratio relative to a silicon oxide film, and when the composition is applied to an etching process at a high temperature and a semiconductor manufacturing process, not only no precipitate occurs but also anomalous growth in which the thickness of the silicon oxide film is rather increased does not occur, thereby minimizing defects and reliability reduction.

Abstract: The present invention relates to a method and an apparatus for diagnosing low voltage of a secondary battery cell. The method for diagnosing low voltage of a secondary battery cell according to an embodiment of the present invention includes pre-aging a battery cell, charging the battery cell according to a preset charging condition, measuring a parameter for determining low voltage failure of the battery cell, comparing the measured parameter with a reference parameter, and performing formation when the battery cell is determined to be normal.

Abstract: A vehicle seat reinforcement device includes a leg portion mounted on a floor panel, a seat cushion frame slidably mounted on the leg portion, and a load reinforcing structure connected between the leg portion and the seat cushion frame, wherein when a seat belt anchorage load is transferred to the seat cushion frame, the seat cushion frame is locked to the leg portion by the load reinforcing structure.

Abstract: An image encoding/decoding method is provided. An image decoding method of the present invention may comprise deriving an intra-prediction mode of a current luma block, deriving an intra-prediction mode of a current chroma block based on the intra-prediction mode of the current luma block, generating a prediction block of the current chroma block based on the intra-prediction mode of the current chroma block, and the deriving of an intra-prediction mode of a current chroma block may comprise determining whether or not CCLM (Cross-Component Linear Mode) can be performed for the current chroma block.

Abstract: A background music providing method includes: based on a user command for executing a content recognition mode being received, obtaining a data corresponding to the content, reproduced on the display apparatus, in the content recognition mode; transmitting the obtained data to an external source; obtaining information corresponding to the content based on the data from the external source; and displaying a result UI corresponding to the obtained information on the display apparatus.

Abstract: A method of manufacturing a multilayer electronic component includes forming a stack by stacking a plurality of ceramic green sheets on which conductive patterns are disposed on a support film, cutting the stack in a second direction, perpendicular to a first direction which is a stacking direction of the plurality of ceramic green sheets, cutting the stack in a third direction, perpendicular to the first and second directions, to obtain a plurality of unit chips, separating the unit chip from the support film, arranging the unit chip such that one of side surfaces of the unit chip is in contact with an adhesive tape, and attaching another one of the side surfaces to a ceramic green sheet for a side margin portion, and forming a side margin portion on the another one of side surfaces.

Abstract: The present invention relates to a fire resistant paint composition, to a production method for same and to a painting method for a fire resistant paint using same, and, one example of implementation of the present invention can provide a fire resistant paint composition comprising: between 70 and 95 wt. % of a binder; between 1 and 10 wt. % of an aerogel; between 1 and 5 wt. % of a foaming agent; and the remainder of water, and can provide a production method for same and a painting method for a fire resistant paint using same.

Abstract: A secondary battery comprises an electrode assembly, a can, and an insulator. The electrode assembly includes a first electrode, a separator, and a second electrode alternately stacked and wound. The can has an accommodation part accommodating the electrode assembly therein, and the can comprises a first can and a second can having cylindrical shapes open in a direction facing each other. The insulator insulates an overlapping portion between the first can and the second can. The first can is electrically connected to the first electrode, and the second can is electrically connected to the second electrode. The insulator has a short-circuit induction through-part defined by a through-hole or a cutoff line, such that a short circuit occurs between the first can and the second can through the short-circuit induction through-part when it is deformed in shape as heat or a pressure is applied to contract or expand the insulator.

Abstract: An electrified vehicle having a first inverter having a DC terminal and a plurality of legs respectively connected to one end of each of a plurality of coils of a motor, a second inverter connected to the DC terminal, and including a plurality of legs connected to the other ends of the plurality of coils, respectively, a plurality of transfer switches respectively having one end connected to a neutral terminal for the plurality of coils and the other end connected to the other end of each coil, an overvoltage protection circuit including a clamping switch, a resistor, and a capacitor, and connected to the neutral terminal and the DC terminal, and a controller controlling a turned-on state of the plurality of transfer switches according to the motor driving mode. When the motor is driven, the controller controls a turned-on state of the clamping switch.

Abstract: An inverter driving apparatus includes an inverter including a plurality of legs corresponding to a plurality of phases respectively, a gate driver outputting a pulse width modulation control signal for switching the transistor provided in the leg, a variable resistor circuit connected to a gate end of the transistor, and a switching speed control circuit determining a switching state of the transistor based on the pulse width modulation control signal, adjusting a resistance value of the variable resistor circuit according to the temperature of the transistor based on the determination result, and controlling the switching speed of the transistor.

Abstract: A motor driving apparatus which drives a motor including a plurality of winding portions corresponding to a plurality of phases, respectively, includes a motor including a plurality of winding portions corresponding to a plurality of phases, respectively, a first inverter including a plurality of first switching elements and electrically connected to a first end of each of the winding portions, a second inverter including a plurality of second switching elements and electrically connected to a second end of each of the winding portions, a plurality of third switching elements including first ends electrically connected to the second ends of the plurality of winding portions, respectively, and second ends electrically connected to each other, and a controller.

Abstract: A motor driving apparatus of driving a motor including a plurality of windings respectively corresponding to a plurality of phases is disclosed. The motor driving apparatus include a first inverter including a plurality of first switching elements and connected to a first end of each of the windings, a second inverter including a plurality of second switching elements and connected to a second end of each of the windings, and a controller configured for controlling ON/OFF states of the first switching elements and the second switching elements based on a required output of the motor, wherein the first inverter may be connected to a first voltage source, the second inverter may be connected to a second voltage source, and the first voltage source and the second voltage source may have different grounds.

Abstract: A motor driving apparatus of driving the motor having a plurality of winding portions respectively corresponding to a plurality of phases is directed for improving inverter efficiency in driving the motor while varying the inductance of the motor by providing various motor driving modes to meet the required performance of the motor.

Abstract: A battery charging system includes a first inverter including first switching elements and DC and AC terminals connected to the battery and a first end of the windings of a motor, respectively; a second inverter including second switching elements and DC and AC terminals connected to the battery and a second end of the windings, respectively; third switching elements each having a first end connected to the second end of the windings and a second end connected to each other; a charging capacitor provided between the second end of the third switching elements and a negative terminal of the battery, and to which a DC charging voltage is applied for charging the battery; a fourth switching element connected in series with the charging capacitor between the second end of the third switching elements and the negative terminal; and a controller configured to control the first to fourth switching elements.

Abstract: A system for taking out items wrapped in a packaging film and accommodated in a packaging box with an open top. The system includes a first conveyor configured to transfer a packaging box accommodating items therein, a fixing device for fixing, at a withdrawal position where the items are taken out of the packaging box, the packaging box transferred by the first conveyor with its top open, a withdrawal device for moving to a space in which the items are accommodated in the packaging box so as to suck the same using vacuum suction and take out the same, an item transfer device for transferring the items taken out by the withdrawal device with the items placed on the item transfer device, and a box transfer device for transferring an empty packaging box from which the items are taken out.

Abstract: A packing box folding system, and the packing box folding system including a transfer conveyor on which transfers the packing box from a packing box introducing position to a folded packing box discharging position; a fixed guide panel which extends between the packing box introducing position and the packing box discharging position and is disposed on one side of the transfer conveyor in the width-direction; and a movable suction device which is disposed on the side opposite to the fixed guide panel in the width-direction of the transfer conveyor and is movable between the packing box introducing position and the packing box discharging position, wherein the movable suction device suctions the side surface of the packing box, which faces the side surface in contact with the fixed guide panel, and presses the suctioned side surface inward in the width-direction.

Abstract: A system for aligning items, which includes a packaging box transfer device to transfer a packaging box accommodating items therein, a fixing device to fix, at a withdrawal position where the items are taken out of the packaging box, the packaging box transferred by the packaging box transfer device with its top open, a withdrawal device to move to a space in which the items are accommodated in the packaging box so as to suck and take out the items, an item transfer device to transfer the items taken out by the withdrawal device with the items placed on the item transfer device, a sensor mounted on the withdrawal device to detect directions of the items taken out by the withdrawal device, and a rotating device to rotate the items taken out by the withdrawal device with the items placed on the rotating device.

Abstract: An opening system including a cutting device for cutting an adhesive tape; a suctioning and lifting device for suctioning a upper panels, which are separated from each other because the adhesive tape is cut by the cutting device; rod members which are elongated to be inserted into gaps, when the gaps are formed between the upper panels and upper edges of side surfaces in the packaging box because the upper panels are spaced apart from the side panels by the suctioning and lifting device; and an opening device which moves the respective rod members while being in contact with lower surfaces of the upper panels such that the upper panels are rotated outward with respect to boundaries between the upper panels and the side panels.

Abstract: A reversing system for reversing a packing box, an upper surface of which is opened, and from which products are withdrawn, such that a lower surface of the reversed empty packing box is disposed above. A first conveyor transfers an empty packing box, an upper surface of which is opened, from a position at which products are withdrawn from the packing box to a position at which the packing box is reversed. A turning device holds the packing box to be turned about a horizontal rotation axis, and reverses the packing box. A second conveyor carries the reversed packing box to a position at which the bottom surface is opened. The turning device holds two sides, facing each other, among sides of the packing box, and turns and reverses the packing pox using a portion between the holding locations of the two held sides as a rotation axis.