Abstract: A method and apparatus for processing a biosignal is disclosed. The apparatus may extract reference points from a waveform of a biosignal, determine a pulse direction of the biosignal based on the extracted reference points, and determine a feature point of the biosignal based on a feature point determining method corresponding to the determined pulse direction of the biosignal.

Abstract: Disclosed are wire rods and parts with improved delayed fracture resistance, and methods for manufacturing the same. The wire rod with improved delayed fracture resistance according to the present disclosure contains, by wt %, 0.15-0.30% of C, 0.15-0.25% of Si, 0.95-1.35% of Mn, 0.030% or less of P, 0.030% or less of S, 0.015-0.030% of Ti, 0.0010-0.0040% of B, 0.0010-0.0080% of N, and Fe and inevitable impurities as the balance, and satisfies formula 1 of 2.0?5.5×[Si]+[Mn]?2.4, where [Si] and [Mn] represent the contents (wt %) of the corresponding elements.

Abstract: The present disclosure relates to a CHQ wire rod that has improved resistance to hydrogen delayed fracture while securing cold forging characteristics by reducing Si content and adding Mo and V, a processed product using the same, and a manufacturing method thereof. In accordance with an aspect of the present disclosure, a CHQ wire rod includes, in percent (%) by weight of the entire composition, C: 0.3 to 0.5%, Si: 0.1 to 0.3%, Mn: 0.5 to 1.0%, at least two or more of Cr: 0.5 to 1.5%, Mo: 0.5 to 1.5%, V: 0.01 to 0.2%, the remainder of iron (Fe) and other inevitable impurities, and the value of the following formula (1) is 3.56 or more.

Abstract: A drying apparatus includes a body and a rotatable foot pad located on the lower part of the body to dry a user's feet. An air inlet is provided, and a flow generator to receive inlet air from the air inlet and generate an airflow to the top surface of the foot pad.

Abstract: An operation method of a user terminal for providing a video slide service includes uploading a UGC video to a server; receiving, from the server, scene meta-information for each playback section of the UGC video; generating a video slide file on the basis of the received scene meta-information for each playback section; classifying, according to categories, a plurality of pieces of page information configuring the video slide file; and generating a storybook corresponding to the UGC video on the basis of a plurality of page groups classified according to the categories.

Abstract: An artificial intelligence calculation semiconductor device is provided. The artificial intelligence calculation semiconductor device comprising: a control unit; and a MAC (Multiply and Accumulator) calculator which executes a homomorphic encryption calculation through the control unit, wherein the MAC calculator includes an NTT (Numeric Theoretic Transform)/INTT (Inverse NTT) circuit which generates cipher texts by performing a homomorphic multiplication calculation through transformation or inverse transformation of data, a cipher text multiplier which executes a multiplication calculation between the cipher texts, a cipher text adder/subtractor which executes addition and/or subtraction calculations between the cipher texts, and a rotator which performs a cyclic shift of a slot of the cipher texts.

Abstract: A shoe management apparatus including a cabinet including an inner space for storing shoes, an exhaust port disposed at a rear surface of the inner space and discharging air into the inner space, and a front discharge port disposed at an upper surface of the cabinet and discharging air from the inner space to outside of the shoe management apparatus.

Abstract: A polyamideimide film including a polyamideimide resin including units derived from dianhydride, aromatic diamine, and aromatic diacid dichloride; and a UV blocker including a benzotriazole-based compound is provided. The polyamideimide film according to one embodiment has UV weather resistance for a long time, low haze and a low yellow index, and a high modulus, so that optical and mechanical properties may be simultaneously implemented.

Abstract: An apparatus for processing a substrate includes a processing vessel disposed in a process chamber and including a processing space in which a substrate is accommodated; a liquid supply line configured to process the substrate by supplying processing liquid to the substrate in the processing space; an exhaust line connected to the processing vessel and configured to exhaust gas in the processing space; a spraying portion disposed on the exhaust line and configured to spray cleaning liquid to remove contaminants accumulated in the exhaust line; and a washing liquid discharge line branched from the exhaust line and including a suction portion therein to suction cleaning liquid waste including contaminants removed from the exhaust line by the cleaning liquid and to discharge the cleaning liquid waste to the outside.

Abstract: A key-value storage device includes a non-volatile memory and a controller. The key-value storage device is configured to communicate with a host and includes a controller and a non-volatile memory. The controller is configured to receive, from the host, a first command including a key, a first chunk among multiple chunks included in a value corresponding to the key, and a first chunk index corresponding to the first chunk. The controller is configured to store mapping information of the first chunk in a mapping table based on the key and the first chunk index. The non-volatile memory is configured to store the key and the first chunk based on the mapping information.

Abstract: Provided is a reinforcement beam for horizontal frames, the reinforcement beam being configured to be used in a prefabricated shelf that is fabricated with vertical frames and horizontal frames, the horizontal frames including a connection portion fastened to the vertical frames at end portions of the connection portion, and an abutment portion which is formed by folding the connection portion such that the abutment portion is formed integrally with the connection portion and which supports a support plate. The reinforcement beam for the horizontal frames includes a body portion in which a pulling portion configured to support a lower outer surface of the connection portion is provided on each of opposite ends of the body portion. The reinforcement beam for the horizontal frames prevents the horizontal frames from collapsing under a large load.

Abstract: Disclosed is a lower cross member of a vehicle. The lower cross member includes a core member configured to be disposed on a vehicle floor so as to extend in a width direction of the vehicle, to be formed of a composite material including unidirectional carbon fiber or bidirectional carbon fiber, and to have a cross-section including at least one closed curve, a lower layer configured to extend in an extending direction of the core member, to be disposed between the core member and the vehicle floor, and to be formed of a composite material including a first multi-axial glass fabric, and an upper layer configured to extend in the extending direction of the core member, to be disposed on an upper surface of the core member, and to be formed of a composite material including a second multi-axial glass fabric.

Abstract: Disclosed are a memristor device, a method of fabricating the same, a synaptic device including a memristor device, and a neuromorphic device including a synaptic device. The disclosed memristor device may comprise a first electrode, a second electrode disposed to be spaced apart from the first electrode; and a resistance changing layer including a copolymer between the first electrode and the second electrode. The copolymer may be a copolymer of a first monomer and a second monomer, and the first polymer formed from the first monomer may have a property that diffusion of metal ions is faster than that of the second polymer formed from the second monomer. The second polymer may have a lower diffusivity of metal ions as compared with the first polymer. The first monomer may include vinylimidazole (VI). The second monomer may include 1,3,5-trivinyl-1,3,5-trimethylcyclotrisiloxane (V3D3). The copolymer may include p(V3D3-co-VI).

Abstract: An ultrasound imaging apparatus includes a probe configured to receive ultrasound data from a lung of a fetus; a processor configured to obtain Doppler data based on the ultrasound data, to measure a value about at least one parameter used to estimate lung maturity of the fetus, and to estimate the fetal lung maturity by using the measured value about at least one parameter; and a display configured to display a result of estimated lung maturity.

Abstract: A storage device is provided including an interface circuit configured to receive application information from a host; a field programmable gate array (FPGA); a neural processing unit (NPU); and a central processing unit (CPU) configured to select a hardware image from among a plurality of hardware images stored in a memory using the application information, and reconfigure the FPGA using the selected hardware image. The NPU is configured to perform an operation using the reconfigured FPGA.

Abstract: The present invention is to provide a touch sensor with a fingerprint sensor capable of making brightness uniform by removing a difference in brightness in a portion to which a touch sensor and the fingerprint sensor are applied, in which an output of a touch display device of uniform brightness may be obtained by applying dummy electrodes to a portion constituting the touch sensor to change a structure so that light transmittances of the fingerprint sensor and the touch sensor are the same as or similar to each other or controlling a portion at which the finger sensor is positioned in an entire region of a light emitting layer to be brighter than the rest portion by a control unit of touch display devices to which the fingerprint sensor according to various embodiments of the present invention is applied.

Abstract: The present disclosure relates to an apparatus and a method for an impact test, which can easily accelerate an impact body at a desired acceleration using an air pressure and an electromagnetic force. According to an embodiment of the present disclosure, an apparatus for an impact test includes a clamping unit configured to fix a specimen, and an impact unit disposed to be spaced apart from the clamping unit and configured to accelerate and launch an impact body to collide with the specimen by an air pressure and an electromagnetic force.

Abstract: Provided is prefabricated furniture and, more particularly, to a prefabricated shelf (angle) having assembly holes and assembly protrusions for assembling frames together, the frames being more firmly assembled as a pressing protrusion portion protrudes from a narrow portion of an assembly hole so that an assembly protrusion is forcibly fitted by the pressing protrusion part. The prefabricated shelf includes a first frame in which a pair of assembly holes, each having a wide portion and a narrow portion, are arranged symmetrically, and a second frame in which a pair of assembly protrusions, corresponding to the assembly holes and each protruding to fit into the narrow portion, are arranged symmetrically, wherein the narrow portion includes a pressing protrusion portion configured to protrude from a first end thereof and press the assembly protrusion to a second side thereof to force the assembly protrusion into place.

Abstract: Discussed is a battery module including a heat sink having a predetermined area, the heat sink being horizontally located, a support plate including an upper support plate and a lower support plate located respectively at an upper surface and a lower surface of the heat sink, a battery cell including a first battery cell disposed in contact with the upper support plate and a second battery cell disposed in contact with the lower support plate, and a cover plate including an upper cover plate located above the first battery cell and a lower cover plate located under the second battery cell.