Abstract: A deep learning-based blood pressure estimation system using a photoplethysmography (PPG) signal detection ring is provided. The system may include a server, and the server may include a signal feature extraction component configured to extract PPG features from a PPG signal by using a first deep learning model, a user feature extraction component configured to extract user features, by using a second deep learning model, from a first test PPG signal measured using the PPG signal detection ring, systolic and diastolic test blood pressures measured using a conventional blood pressure monitor simultaneously with the first test PPG signal, and user information, and a blood pressure estimation component configured to estimate systolic and diastolic blood pressures from the PPG features and the user features by using a third deep learning model, wherein the PPG signal is measured using the PPG signal detection ring, and the server receives the PPG signal from the PPG signal detection ring through a terminal.

Abstract: The present disclosure relates to a method for preparing a metal-CNT nanocomposite, a water-electrolysis catalyst electrode comprising metal-CNT nanocomposite prepared by preparation method, and a method for manufacturing a water-electrolysis catalyst electrode. Specifically, the present disclosure can provide a method for preparing a metal-CNT (carbon nanotube) nanocomposite that does not use conventional wet methods and can be used as a water-electrolysis catalyst or as an electrode material for lithium-ion batteries, and a method for preparing a water-electrolysis catalyst that includes a metal-CNT nanocomposite with excellent performance as a water-electrolysis catalyst.

Abstract: The present invention relates to a full analog phase shifter, and more particularly, comprises: a variable switch panel comprising a first conductive pattern terminal and a second conductive pattern terminal; and a pattern PCB on which a plurality of array antenna elements are arranged and a transmission line at which the first conductive pattern terminal and the second conductive pattern terminal come into contact is pattern-printed, wherein, assuming that two variable switch panels are disposed in the vertical direction, the two variable switch panels are provided as a slider type that slides in the vertical direction so that, due to a phase shift caused by the contact between the first conductive pattern terminal and the second conductive pattern terminal and the transmission line, phases of the plurality of array antenna elements are linearly distributed on a same reference phase plane, thereby providing the advantage of easily implementing a mirror symmetry structure having a linear phase distribution on

Abstract: An operating method of a memory device may include performing a pre-program operation on selection transistors that are included in strings, wherein each of the strings comprises a first source selection transistor, a second source selection transistor, a plurality of memory cells, and a drain selection transistor that are sequentially coupled, and performing an erase operation and a fine program operation on at least one of the selection transistors.

Abstract: A flame-retardant sheet attaching device is disclosed. The flame-retardant sheet attaching device may include a first pressurizing device configured to move in a first direction and apply pressure to a flame-retardant sheet, and a second pressurizing device configured to move in the first direction, the second pressurizing device having at least a portion inserted into a groove of the flame-retardant sheet. The flame-retardant sheet may be configured to move, based on the movement of the second pressurizing device, in a second direction, perpendicular to the first direction. The first pressurizing device may be configured to restrict the movement of the flame-retardant sheet in the first direction, when the flame-retardant sheet moves in the second direction.

Abstract: Provided are a polycarbonate resin including a unit of Chemical Formula 1, a method for preparing the same, a polycarbonate resin composition including the same, and a molded article including the polycarbonate resin composition, where all the variables are described herein.

Abstract: Provided is an actuator system which includes an electroactive polymer film, and a spring surrounded by the electroactive polymer film. At least a portion of the spring is disposed inside the electroactive polymer film.

Abstract: An electrical umbilical system for a space launch vehicle, using an electromagnet includes a connection module which is provided to a launch vehicle unit flyable by means of thrust; and an umbilical unit which is provided to a tower unit supporting the launch vehicle unit so as to stand upright, and which is capable of being electrically connected to the connection module. The umbilical unit includes a supply module which is capable of electrically connected to the connection module; a connection drive module which is coupled to the tower unit and connects the supply module to the connection module; a weight body which is coupled to the tower unit so as to be vertically movable; a drive line which connects the supply module and the weight body; and a guide roller which is rotatably coupled to the tower unit and supports the drive line.

Abstract: Disclosed is a high voltage battery mounting structure for a vehicle. In particular, the high voltage battery mounting structure includes: a battery case located below a vehicle body panel, a first engagement member fixed to the vehicle body panel, a second engagement member configured to pass through the battery case from a lower side to be coupled to the vehicle body panel by the medium of the first engagement member, and a third engagement member in which a hollow through which the second engagement member passes is provided and which is installed to support between an upper cover of the battery case and the vehicle body panel.

Abstract: A display device includes a housing, a display module, a support film, and a frame. The display module is accommodated in the housing in a first state and unrolled from the housing to a first direction in a second state. The support film is accommodated in the housing in the first state and unrolled from the housing to the first direction in the second state to support the display module. The frame shrinks to a first shape in the first state and expands to a second shape in the second state in a way such that the frame applies a tensile stress to the support film in the second state.

Abstract: An embodiment upper structure of a rear pillar of a vehicle includes a roof side member disposed on a side surface of a roof in a length direction of the vehicle, a roof center member disposed at a rear end of the roof in a width direction of the vehicle and connected to a side surface of a rear end of the roof side member, and a seat belt mounting member connected to an end portion of the roof side member.

Abstract: A vehicle body includes: a vehicle panel spaced apart from a vehicle battery and protecting the vehicle battery; a top support disposed down through the vehicle panel from above and having a top support fixing portion; and a bottom support having a bottom support fixing portion. In particular, the top support connects the vehicle panel and a bush to each other, and the bottom support supports the top support and the bush connected to a cross member of a vehicle with respect to each other through coupling between the top support fixing portion and the bottom support fixing portion.

Abstract: A data receiving device may include a dummy stage block. The dummy stage block may include m dummy stages, wherein m is a natural number greater than or equal to two. Each of the m dummy stages may be configured to remove inter-symbol interference (ISI) from a dummy input signal using dummy coefficient information to generate a dummy output signal free of the ISI. Each of the m dummy stages may be further configured to output the dummy output signal. A normal stage block may include n normal stages, wherein n is a natural number greater than or equal to two. Each of the n normal stages may be configured to remove ISI from an input signal using coefficient information to generate an output signal free of the ISI and may be further configured to output the output signal.

Abstract: The present disclosure relates to a foreign substance blocking and hidden wiring structure of a seat long-rail. The present disclosure provides a foreign substance blocking and hidden wiring structure of a seat long-rail, including a lower rail fixed to a vehicle body and including a slot portion formed in an upper portion thereof, a block guide partially located on the lower rail and protruding to the outside of the slot portion, an upper rail located on the upper end of the lower rail and coupled to the block guide, a slide block provided in plural at a position corresponding to the slot portion and configured to open the slot portion at a position corresponding to the upper rail, and a block guide pin formed on an upper surface of the block guide so that the slide block opens or blocks the slot portion according to movement of the upper rail.

Abstract: A display device including: a substrate including a bending area, a boundary area adjacent to the bending area, and a non-bending area adjacent to the boundary area; and a window disposed on the substrate and including: a base substrate including a first surface having a slope of about 0.10 to about 0.9° in the boundary area with respect to the first surface in the bending area, wherein the base substrate has a thickness in the bending area that is less than its thickness in the non-bending area; and a coating layer disposed on a second surface of the base substrate, wherein the second surface faces the first surface of the base substrate.

Abstract: A memory device, and a method of manufacturing the same, includes a first select line including a first cell area, a second select line including a second cell area disposed in a first direction from the first cell area, a first separation pattern extending in a second direction intersecting the first direction between the first cell area and the second cell area, second separation patterns extending from both ends of the first separation pattern in the first direction and a third direction opposite the first direction, respectively, and a third separation pattern extending from at least one of the second separation patterns in the second direction, and disposed in a direction opposite the first separation pattern with respect to the at least one second separation pattern.

Abstract: The present invention proposes an electronic terminal device attached to a two-wheeled vehicle, which can collect and store signal violation history information, intrusion history information in prohibited areas, and speed violation history information of the driver of the two-wheeled vehicle, and store them in a database, so that the user can use this history information based on As a result, it is possible to support the two-wheeled vehicle driver to more easily determine whether or not he or she is driving in compliance with the law.

Abstract: The present discloses provides a memory device and a method of operating the memory device. The memory device includes first main plugs formed in a vertical direction over a substrate and arranged in a first direction, second main plugs, third main plugs arranged between the first and second main plugs, the third main plugs adjacent to the first and second main plugs, and bit lines above the first to third main plugs, wherein each of the first to third main plugs includes first and second sub-plugs facing each other, wherein portions of the first and second sub-plugs included in each of the first and third main plugs are coupled to different select lines, and wherein portions of the first and second sub-plugs included in each of the second and third main plugs are coupled to different select lines.

Abstract: A modified conjugated diene-based polymer and a rubber composition including the same are disclosed herein. The modified conjugated diene-based polymer has excellent processability and good tensile strength and viscoelasticity. In some embodiments, a modified conjugated diene-based polymer includes silicon (Si) and nitrogen (N), and has an N content of 150 ppm or more based on the weight of the modified conjugated diene-based polymer and a rate of change of mooney viscosity (MVR) of 20% or less.

Abstract: A battery device manufacturing system is disclosed. In some embodiments, the battery device manufacturing system includes a plurality of first manufacturing lines configured to manufacture a plurality of battery cells and a cell assembly in which the plurality of battery cells are stacked, a plurality of second manufacturing lines configured to couple a busbar assembly to the cell assembly to manufacture a sub-battery module, and a plurality of third manufacturing lines configured to couple the sub-battery module to a case to manufacture a battery module, wherein one of the plurality of third manufacturing lines is configured to receive the sub-battery module from each of two second manufacturing lines among the plurality of second manufacturing lines.