Abstract: A button-type secondary battery has a diameter greater than a height thereof. The button type secondary battery includes a can body defining an accommodation space therein and having an opened upper end; an electrode assembly accommodated in the accommodation space of the can body; and a top cap assembly configured to cover the upper end of the can body and coupled to the can body. The top cap assembly includes a base plate having a flat plate shape and bent upward from a circumferential area thereof; an electrode terminal having a flat plate shape to be seated on an upper portion of the base plate, wherein the electrode terminal comprises a protrusion protruding downward from a central area thereof; and an insulating member between the base plate and the electrode terminal.

Abstract: The present invention relates to a method and apparatus for re-training model by recognizing uncertainty in online user behavior detection. A method for training a model related to user behavior detection according to an embodiment of the present disclosure may comprise: detecting one or more behavior instances having a type of user behavior and a time interval of the user behavior; calculating at least one of a first uncertainty value for the type of user behavior or a second uncertainty value for the time interval of the user behavior; generating a first data newly labeling the type of user behavior or a second data newly labeling the time interval of the user behavior; and training a model that recognizes the user behavior information on a frame-by-frame basis.

Abstract: The present invention relates to a separation method for a mixture comprising a solvent and C4 or higher linear alpha olefins, and method and device for preparing ethylene oligomer utilizing the separation method, and more specifically, a method capable of separating a mixture, which was generated after oligomerization reaction of ethylene and comprises a solvent and C4 or higher linear alpha olefins, into the solvent, C6 or lower linear alpha olefin, and C8 or higher linear alpha olefin even by one-time treatment, and a method and a device for preparing ethylene oligomer utilizing the separation method.

Abstract: Disclosed herein is a method for controlling a serving robot based on meal context. The method includes receiving table information from a table robot corresponding to each table in a service area and controlling driving of a serving robot using the meal context and a navigation map, and the meal context includes information about the seating positions of customers and meal status information corresponding to the table.

Abstract: A light emitting device including an epitaxial structure and a plurality of surface microstructures is provided. The epitaxial structure has a light emitting surface and a surrounding wall surface. The surrounding wall surface surrounds and is connected to the light emitting surface. The plurality of surface microstructures are separately arranged on the light emitting surface along a plurality of directions. The plurality of directions are not perpendicular to the surrounding wall surface. A light emitting device substrate including a plurality of the light emitting device is also provided.

Abstract: The present disclosure relates to a separation method for a reaction product of olefin oligomerization, and a method and a device for preparing ethylene oligomer utilizing the separation method, and more specifically, a method capable of separating a mixture, which was generated after oligomerization reaction of ethylene and comprises a solvent and C8 or higher linear alpha olefins, into the solvent, C8 linear alpha olefin, and C10 or higher linear alpha olefin even by one-time treatment, and a method and a device for preparing ethylene oligomer utilizing the separation method.

Abstract: Disclosed is a carbon dioxide reduction system providing the advantage of efficiently capturing and removing the carbon dioxide contained in the exhaust gas, thereby significantly reducing the carbon dioxide emitted into the atmosphere. Also disclosed is a carbon dioxide reduction system providing the advantage of not requiring a separate sealed container storing the captured carbon dioxide, resulting in improved space utilization for space-limited environment and improved energy efficiency.

Abstract: A semiconductor device may include an access line, a variable resistance layer, an electrode located between the access line and the variable resistance layer, and a barrier structure located between the access line and the electrode and including an amorphous barrier. The barrier structure may further include a diffusion barrier, and the amorphous barrier has a resistivity higher than that of the diffusion barrier.

Abstract: A semiconductor device includes first, second, and third power rails extending in a first direction on a substrate and sequentially spaced apart in a second direction intersecting the first direction. A fourth power rail extends in the first direction on the substrate between the first and third power rails. A first well of a first conductive type is displaced inside the substrate between the first and third power rails. Cells are continuously displaced between the first and third power rails and share the first well. The first and third power rails are provided with a first voltage, the second power rail is provided with a second voltage different from the first voltage, the fourth power rail is provided with a third voltage different from the first voltage and the second voltage, and the cells are provided with the third voltage from the fourth power rail.

Abstract: Disclosed in a movement direction determination system comprising a first detection region, a second detection region and a processing circuit. The first detection region and the second detection region respectively comprises an optical sensor. The processing circuit determines a movement direction of an object according to the optical data generated by the first detection region and the second detection region. The present invention also discloses a movement direction determination system using a single detection region. The present invention also discloses an object volume computation system which can compute an object volume according to sensed optical data.

Abstract: An image sensing device includes a pixel array including a plurality of image detection pixels structured to convert light incident onto the image detection pixels into pixel signals representing an image of an object, a plurality of phase-difference detection pixels in the pixel array structured to detect light from the object to generate a phase signal for measuring a distance between the image sensing device and the object, and a first lens positioned to direct light to the plurality of phase-difference detection pixels and including a plurality of portions each corresponding to at least one of the phase-difference detection pixels. A center of the first lens is located over a center of the plurality of phase-difference detection pixels, and each portion of the first lens extends from the center along a row or column direction between adjacent phase-difference detection pixels or along diagonal directions between the row and column directions.

Abstract: A battery monitoring system includes at least one memory configured to store a first coordinate-related data set in which coordinate data indicating a position of an electrode moved in each of a plurality of processes is connected with inspection data and/or measurement data of the electrode obtained in the plurality of processes, and an identification data set including an electrode identifier (ID) identifying the electrode. The battery monitoring system further includes at least one processor configured to connect the electrode ID with the coordinate data of the first coordinate-related data set corresponding to the electrode ID, and send monitoring data for the electrode, based on data about the connection of the electrode ID with the coordinate data.

Abstract: A motor control device for estimating a position of a rotor in a state in which a motor is stopped and a method for estimating a position of a rotor thereof are provided. The motor control device includes a power supply, a current sensor, and a processor. The processor determines whether a rotor position estimation execution condition is established, applies a phase voltage to a stator of the motor, if it is determined that the rotor position estimation execution condition is established, measures the current flowing in the stator, estimates a position of a rotor of the motor based on a first maximum current value among the measured current values, and determines whether to reattempt to estimate a position of the rotor based on a difference between the first maximum current value and a second maximum current value among the measured current values.

Abstract: Disclosed herein is a gas purging system for ships having an engine fueled by fuel gas. The gas purging system includes: a fuel supply line along which fuel gas is supplied to the engine; a gas valve unit disposed on the fuel supply line to control a pressure of the fuel gas; and a purge line along which nitrogen gas is supplied to the engine to purge an interior of the engine and an interior of the fuel supply line, wherein the nitrogen gas is directly supplied to the engine along the purge line, purges the interior of the engine and the fuel supply line, and is discharged to outside atmosphere through the gas valve unit.

Abstract: The present invention relates to an eddy current sensor for detecting a crack in a battery cell, and a system for detecting a crack of a battery cell including the eddy current sensor. According to the present invention, it is possible to easily detect a crack generated in an electrode, an electrode tab or a welded portion.

Abstract: The present invention relates to a sagger for firing a precursor material, and more specifically, to a sagger having a space internally provided to load a precursor material. When used to fire a precursor material, the sagger is capable of not only suppressing the generation of by-products but also enhancing the durability of the main body.

Abstract: The present invention relates to a fluorescent reporter capable of labeling nucleic acids including DNA and exhibiting luminescent properties at an excited energy level, and various uses thereof.

Abstract: The present invention relates to a method of preparing a graft polymer, which includes: preparing a second diene-based rubber polymer by enlarging a first diene-based rubber polymer with an acidic group-containing acrylic polymer; preparing a first mixture comprising the second diene-based rubber polymer and a non-ionic emulsifier; and preparing a graft polymer latex by polymerizing an aromatic vinyl-based monomer and a vinyl cyanide-based monomer in the presence of the first mixture.

Abstract: A battery pack diagnosis apparatus includes a sensor module which detects noise and a processor which extracts noise generated in the battery pack from the noise detected by the sensor module, analyzes the noise generated in the battery pack, and diagnoses a state of a battery pack. A battery pack diagnosis method includes detecting, by a sensor module, noise, extracting, by a processor, noise generated in a battery pack from the noise detected by the sensor module and analyzing, by the processor, the noise generated in the battery pack to diagnose a state of the battery pack.

Abstract: Disclosed are a sensorless induction motor system including a controller configured to control operation of a motor by controlling a voltage applied to each phase of a stator, to set a stop waiting time expected to be required for the rotor to stop during stop control of the motor, to apply a pulse voltage to each phase of the stator a plurality of times after the stop waiting time, and to determine that the rotor is stopped when rotor position vectors having largest induced current deviations are observed as the same rotor position vector, and a control method thereof.