Abstract: The spin-orbit torque-based random number generator includes a spin torque generation layer including a first spin torque layer and a second spin torque layer, a magnetization-free layer, a tunnel barrier layer, and a magnetization pinned layer, wherein the second spin torque layer is disposed between the magnetization-free layer and the first spin torque layer and generates field-like torque (FLT) and damping-like torque (DLT) related to the magnetization direction of the magnetization-free layer; the first spin torque layer adjusts a torque ratio according to the size of field-like torque to the size of damping-like torque in conjunction with the thickness of the second spin torque layer; in the magnetization-free layer, a magnetization direction is randomly aligned up or down based on the adjusted torque ratio; and a random number is generated based on current that is switched and output based on the randomly aligned magnetization direction.

Abstract: The present invention relates to a technical idea of monitoring a heart condition by analyzing biosignals measured using a sensor device for detecting a heart condition. In a method of monitoring a heart condition according to one embodiment of the present invention, electrocardiogram signals are measured from a user, feature information is extracted by performing machine learning of the time domain of the measured electrocardiogram signals, a plurality of cardiac abnormality type models are determined by performing machine learning of the extracted feature information, classification accuracy for the determined cardiac abnormality type models is calculated, and a cardiovascular disease of the user is determined using the determined cardiac abnormality type models and public cardiovascular disease data based on the calculated accuracy. That is, the present invention relates to a technique for assisting medical diagnosis.

Abstract: Disclosed is a method of obfuscating a Controller Area Network (CAN) message performed by a first computing device including a processor, the method including: obtaining a first index from a first input value corresponding to a first time point by using an index output algorithm; determining a first CAN ID of the first computing device corresponding to the first index based on a predetermined CAN ID table; and generating a first normal CAN message including the first CAN ID and first normal data.

Abstract: Disclosed is a molecular diode using the assignment of electrical properties to inactive organic molecules when a self-assembled monolayer (SAM) thin film including an electrically inactive organic molecule is formed without synthesizing a separate organic molecule having electrical activity. The disadvantage of the instability of a conventional SAM can be overcome, a function can be extended, and electrical properties, such as a rectification characteristic in a non-functional molecule, can be induced even without the design and synthesis of organic molecules for introducing a functional molecule. Accordingly, the embodiments of the present disclosure can be usefully used in various technical fields in which an SAM is used, in particular, wide fields such as electronics, an organic display (OLED), solar cells, sensors, non-uniform catalysts, frictional electricity, cell growth surfaces, and a heat transfer control film.

Abstract: The present invention relates to a radiative cooling paint consisting of ceramic fine particles as pigments, a polymer resin as a binder, and a solvent. According to the present invention, a substrate is coated with the radiative cooling paint, and then a paint film layer is formed. The paint film layer performs a radiative cooling function by preventing energy inflow from incident sunlight by maximizing reflection of incident sunlight; minimizing absorption of incident sunlight; and maximizing emission of long-wavelength infrared light corresponding to 8 ?m to 13 ?m and increasing energy discharge through emission of long-wavelength infrared light, and pores with a volume of 3% to 50% are formed inside the paint film layer to enhance reflection of incident sunlight without reducing emission of long-wavelength infrared light.

Abstract: Provided is an apparatus and method for managing a spatial model, and a spatial model management apparatus includes a data collector configured to collect dynamic method data including shape and color information using a dynamic space scanner and to collect static method data including color information using a static space scanner, for an area for which a spatial model is to be produced; a spatial information deriver configured to derive spatial information using the collected dynamic method data or the collected static method data; and a model generator configured to generate the spatial model using at least one or combination of the spatial information derived from the dynamic method data and the spatial information derived using the static method data.

Abstract: An augmented reality (AR) device and a method of predicting a pose in the AR device is provided. In the augmented reality (AR) device inertial measurement unit (IMU) values corresponding to the movement of the AR device are obtained at an IMU rate, intermediate 6-degrees of freedom (6D) poses of the AR device are estimated based on the IMU values and images around the AR device via a visual-inertial simultaneous localization and mapping (VI-SLAM) module, and a pose prediction model for predicting relative 6D poses of the AR device is generated by performing learning by using a deep neural network.

Abstract: The present disclosure refers to direct current-to-direct current (DC-DC) converters and power supplies including the same. In an embodiment, a DC-DC converter includes a first switching circuit, a second switching circuit, a fourth capacitor coupled to a second node, and an inductor-capacitor (LC) filter coupled to a third node. The first switching circuit includes a first transistor coupled between a first capacitor and an input node, a second transistor coupled between the first capacitor and a second capacitor, a third transistor coupled between a first node and a third capacitor, and a fourth transistor coupled between the third capacitor and a ground node. The second switching circuit includes a fifth transistor coupled between the second capacitor and the third capacitor, a sixth transistor and a seventh transistor coupled between the first capacitor and the third capacitor, and an eighth transistor coupled between the first capacitor and the ground node.

Abstract: Provided is a novel mixed peptide antigen for production of a formylmethionine antibody. According to the present disclosure, the formylmethionine-specific antibody produced using the antigen peptide can detect formylmethionine by universally binding to peptides or proteins containing formylmethionine, and has higher sensitivity than antibodies using conventional single antigen peptides.

Abstract: The present invention relates to a method of manufacturing gallium nitride quantum dots, and more particularly, to a method of manufacturing gallium nitride quantum dots doped with metal ions, which uses a wet-based synthesis method capable of lowering the fluorescence energy of pure gallium nitride by introducing metal ions into pure gallium nitride.

Abstract: Proposed is a preparation method for single-layered MXenes capable of exfoliating a single layer of MXenes from multi-layered MXenes with a high yield. One embodiment of the present disclosure provides a preparation method for single-layer MXenes, the method includes exfoliating a single layer of MXenes from multi-layered Mxenes with a Couette-Taylor reactor (CT reactor), inducing a regular flow.

Abstract: According to the method of estimating a maximum road friction coefficient, artificial braking or driving-related control is conducted and a maximum road friction coefficient is estimated based on a difference in wheel speeds between front and rear wheels, compensated for slip of tires.

Abstract: Provided is a desalination device using a solvent extraction method, comprising: a first mixing tank composed of a feed water inlet into which feed water comprising salt ions and water molecules flows, a first solvent inlet into which a first solvent selectively reacting more with the water molecules than with the salt ions flows, a first mixing tank body in which the feed water and the first solvent are mixed so as to form a mixed water, and a mixed water outlet through which the mixed water is discharged; a first separation tank composed of a mixed water inlet which communicates with the mixed water outlet so that the mixed water flows therein, a first separation tank body in which brine containing salt ions of the feed water and first treatment water formed from mixing the water molecules of the feed water and the first solvent of the mixed water are separated by layer, and a first treatment water outlet through which the first treatment water is discharged; a second mixing tank composed of a first treatme

Abstract: Disclosed are a method and an apparatus of digital feedback based adaptive delay time control for a high efficiency active rectifier. According to the present invention, provided is an apparatus for digital feedback based adaptive delay time control, which adaptively compensates a driving delay of a switch by controlling a time of a delay circuit through a digital feedback-based compensation technique, and operate the switch at an appropriate timing in spite of changes in operation environments such as an input voltage and a load to increase the efficiency of an AC-DC rectifier.

Abstract: A method of manufacturing a CNT paste emitter in accordance with an exemplary embodiment of the present disclosure includes a process of mixing first CNT powder, graphite nanoparticles, SiC nanoparticles, Ni nanoparticles, a dispersant and distilled water and then performing a dispersion process by means of ultrasonication, a process of acquiring second CNT powder by filtering a solution dispersed during the dispersion process, a process of mixing the second CNT powder with a graphite binder and then preparing a CNT paste by means of ball milling, and a process of forming an interface layer on a metal or graphite substrate and then bonding the CNT paste.

Abstract: A deep neural network training accelerator includes an operational unit sequentially performing first and second operations on a plurality of input data of a sub-set according to a mini-batch gradient descent, a determination unit determining each of the input data as one of skip data and training data based on a confidence matrix obtained by the first operation, and a control unit controlling the operational unit to skip the second operation with respect to the skip data.

Abstract: A method for discarding personal information comprises at least one among partial overwriting, SLC programming, and applying an erase pulse. The method for discarding personal information comprises a step for acquiring the program status of personal information-containing data of a memory block to be erased, generating data having a status that is equal to or higher than the program status corresponding to the personal information, and carrying out a partial overwriting operation on the personal information by using the generated data.

Abstract: Embodiments of the present disclosure provide a spin orbit torque device-based processing-in-memory device that includes a digital logic gate using a current switching and voltage controlled magnetic anisotropy (VCMA) effect of a spin orbit torque device capable of being used as a memory element, and increases the overall system energy efficiency by designing a memory capable of performing an MAC operation to reduce the number of data migration between a memory and an operator.

Abstract: The present invention relates to a porous membrane including a plurality of through-type pores, and when the porous membrane is used, a particle to be analyzed and a reactive particle may be reacted one-to-one, thereby increasing the efficiency and accuracy of particle analysis.

Abstract: The present disclosure provides an artificial lens fixing sac for fixing an artificial lens for cataract surgery. The artificial lens fixing sac for fixing an artificial lens for cataract surgery of the present disclosure is installed at a position of a lens that is removed by cataract surgery, and the artificial lens fixing sac includes an implantation hole in which an artificial lens, which is inserted into an internal space of the artificial lens fixing sac, is implanted at the position of the removed lens, and fixing threads installed at predetermined intervals on an outer peripheral edge of the artificial lens fixing sac to fix the artificial lens fixing sac to a sclera.