Abstract: An ultraviolet light-based disinfection device and method are proposed. The ultraviolet disinfection device, according to one embodiment, may disinfect a fluid on the basis of ultraviolet light, without injecting a drug or using a harmful material such as mercury.

Abstract: A method of manufacturing a multilayer metal plate by electroplating includes a first forming operation of forming one of a first metal layer and a second metal layer on a substrate by electroplating, wherein the second metal layer is less recrystallized than the first metal layer, the second metal layer is comprised of nanometer-size grains, and the second metal layer has a higher level of tensile strength than the first metal layer; and a second forming operation of forming, by electroplating, a third metal layer not formed in the first forming operation on a surface of one of the first metal layer and the second metal layer formed in the first forming operation.

Abstract: An electrocardiogram (ECG) measurement device for a vehicle is provided. The ECG measurement device includes an impedance compensator that corresponds to an electrode in contact with a body of a driver and configured to compensate an impedance of each of electrode signals received from the electrode. An electrode selector sequentially selects the electrode signals in response to receiving the electrode signals from the electrode. A differential amplifier differentially amplifies the electrode signals. In particular, each electrode signal has the compensated impedance. Additionally, a signal quality evaluator evaluates quality of an ECG signal output from the differential amplifier and a compensation controller then adjusts an impedance compensation value of each of the impedance compensators as a result of evaluating the quality of the ECG signal.

Abstract: Disclosed are a method of predicting a fine dust concentration and inferring a fine dust source by using local public data and a prediction and inference device. The method of predicting a fine dust concentration and inferring a fine dust source by using local public data includes generating time-series data related to fine dust by collecting public data in a specific region in a predetermined chronological order and determining whether fine dust is generated in the specific region by converting pieces of time-series data collected in consecutive times into an image dataset for training and by training the image dataset for training in a convolution neural network (CNN)-based image classification model.

Abstract: In the electrochromic device according to an embodiment of the present application, when the first voltage is applied to the electrochromic device in a state that the electrochromic element has the first state, the electrochromic device becomes the second state, and when the first voltage is applied to the electrochromic element in a state that the electrochromic element has the fourth state, the electrochromic element becomes the third state.

Abstract: Provided is a manufacturing method of a grain-oriented electrical steel sheet including preparing a hot-rolled sheet by hot-rolling a slab; removing some of scales formed on the hot-rolled sheet and leaving a scale layer having a thickness of 10 nm or more to prepare a hot-rolled sheet on which the scale layer remains; preparing a cold-rolled sheet by cold-rolling the hot-rolled sheet on which the scale layer remains; preparing the decarburization annealed cold-rolled sheet by decarburization annealing the cold-rolled sheet; coating an annealing separator on the decarburization annealed cold-rolled sheet to form a metal oxide layer; and final annealing the steel sheet on which the metal oxide layer is formed, wherein the annealing separator includes magnesium oxide (MgO) or magnesium hydroxide (MgOH) and fluoride.

Abstract: In the electrochromic device according to an embodiment of the present application, when the first voltage is applied to the electrochromic device in a state that the electrochromic element has the first state, the electrochromic device becomes the second state, and when the first voltage is applied to the electrochromic element in a state that the electrochromic element has the fourth state, the electrochromic element becomes the third state.

Abstract: This application relates to an electrochromic lens. In one aspect, the lens includes a substrate including a first surface and a second surface opposite to the first surface, a first electrode layer disposed on the first surface of the substrate, and a second electrode layer disposed on the first electrode layer. The lens may also include an electrochromic layer disposed between the first electrode layer and the second electrode layer, and adjusting transmittance of light incident on the second surface of the substrate. The lens may further include a first conductor electrically connected to the first electrode layer, and having higher conductivity than at least one of the first electrode layer or the second electrode layer. The lens may further include a second conductor electrically connected to the second electrode layer, and having higher conductivity than at least one of the first electrode layer or the second electrode layer.

Abstract: A manufacturing method of an electrical steel sheet according to an embodiment of the present invention includes: hot-rolling a slab to manufacture a hot-rolled sheet; removing some of scales formed on the hot-rolled sheet and leaving a scale layer having a thickness of 10 nm or more; controlling roughness of the hot-rolled sheet in which the scale layer remains; cold-rolling it to manufacture a cold-rolled sheet; and annealing the cold-rolled sheet.

Abstract: A display device configured as a multi display system is provided. The display device includes an input; a display; an output connected to an adjacent display device; and a processor, wherein the processor is configured to control the output to insert image output information into at least one of frames of a first predetermined interval in a first image and frames of a second predetermined interval in a second image when the first image and the second image are received through the input, and to alternately transmit the frames of the first interval and the frames of the second interval to an adjacent display device, and to control the display to display some regions of one of the frames of the first interval and the frames of the second interval based on display layout information.

Abstract: In the electrochromic device according to an embodiment of the present application, when the first voltage is applied to the electrochromic device in a state that the electrochromic element has the first state, the electrochromic device becomes the second state, and when the first voltage is applied to the electrochromic element in a state that the electrochromic element has the fourth state, the electrochromic element becomes the third state.

Abstract: A flexible assembly system for variable reconfiguration, and a method of reconfiguring a production line. The method includes receiving line configuration information based on a reconfigured production line, retrieving process terminals required to be included in the reconfigured production line based on the line configuration information, when at least one among the process terminals required to be included in the reconfigured production line is not retrieved, transmitting information about the process terminal not retrieved to a line installer terminal, when all the process terminals required to be included in the reconfigured production line are retrieved, dividing the line configuration information based on each of the retrieved process terminals, and transmitting the divided line configuration information to each of the retrieved process terminals and verifying whether a component is provided in each of the process terminals.

Abstract: A barcode recognition apparatus and a barcode recognition method. The barcode recognition method includes receiving, from a sensor, a triggering message indicating that a product enters, setting a camera focus on the basis of a barcode in an image of the product obtained using a camera upon receiving the triggering message, obtaining a product image according to the set camera focus, performing preprocessing for extracting a barcode region on the product image, extracting the barcode region from the preprocessed image, and deriving barcode information from the extracted barcode region.

Abstract: A jig device includes an upper end configured to support an object, and a lower end comprising a hole for insertion and coupling of the upper end in an upper portion and an air inlet and an opening and closing portion configured to open and close the air inlet, in a lower portion. A position of the upper end is configured to be fixed at a point in time at which the air inlet is closed due to air pressure that occurs inside the lower end in response to closing the air inlet.

Abstract: A flexible assembly system for variable reconfiguration, and a method of reconfiguring a production line. The method includes receiving line configuration information based on a reconfigured production line, retrieving process terminals required to be included in the reconfigured production line based on the line configuration information, when at least one among the process terminals required to be included in the reconfigured production line is not retrieved, transmitting information about the process terminal not retrieved to a line installer terminal, when all the process terminals required to be included in the reconfigured production line are retrieved, dividing the line configuration information based on each of the retrieved process terminals, and transmitting the divided line configuration information to each of the retrieved process terminals and verifying whether a component is provided in each of the process terminals.

Abstract: A method for controlling a variable production line using a skid-type variable workbench and an apparatus for the same. According to the method, a process group including multiple variable workbenches may be organized based on a design, each of the multiple variable workbenches may be mounted on an upper part of a skid board, the skid board may be loaded on a powered line that moves at a regular speed in a fixed direction, the skid board may be moved in consideration of a position of a worker responsible for each process and a work state of the process group, and movement of a target variable workbench may be stopped by removing a skid board, on which the target variable workbench corresponding to an unload instruction in the process group is mounted, from the powered line when the unload instruction is input by a worker.

Abstract: A method for manufacturing a metal or metal oxide porous thin film having a three-dimensional open-network structure by controlling its pore size through a dry process is provided. The film can be used in a gas sensor, a biosensor, a battery capacitor, a fuel cell, a solar cell, a chemical catalyst, or an antibacterial filter.

Abstract: In the electrochromic device according to an embodiment of the present application, when the first voltage is applied to the electrochromic device in a state that the electrochromic element has the first state, the electrochromic device becomes the second state, and when the first voltage is applied to the electrochromic element in a state that the electrochromic element has the fourth state, the electrochromic element becomes the third state.

Abstract: A jig device includes an upper end configured to support an object, and a lower end comprising a hole for insertion and coupling of the upper end in an upper portion and an air inlet and an opening and closing portion configured to open and close the air inlet, in a lower portion. A position of the upper end is configured to be fixed at a point in time at which the air inlet is closed due to air pressure that occurs inside the lower end in response to closing the air inlet.

Abstract: A flexible assembly system for multi-product production and a method of reconfiguring a production line for multi-product production. A method of designing a production line includes configuring reconfigurable assembly modules (RAMs) for each production process of the production line using components included in a production line configuring tool, verifying a production amount of each of the RAMs using a production line simulator, designing the production line using RAMs with a production amount greater than or equal to a threshold value, and transmitting design information of the production line to an onsite production line installer terminal.