Abstract: Disclosed is logic device using spin orbit torque. Two magnetic tunnel junctions have mutually opposite magnetization directions. The direction of the current flowing through the non-magnetic metal layer acts as an input, and the resistance states of the magnetic tunnel junctions are determined by the input program currents. Various logic devices are implemented by a method of setting the input program current to a logic high or a logic low.

Abstract: Disclosed is a rotor including a sleeve part having a shape corresponding to a cylinder extending in a reference direction, and having an inner hole extending in the reference direction, in an interior thereof, a division part disposed in the inner hole, and dividing the inner hole into a first space and a second space, together with the sleeve part, a first magnet part disposed in the first space, and a second magnet part disposed in the second space, and disposed to have an opposite polarity to that of the first magnet part when viewed along the reference direction.

Abstract: A processor-implemented method includes receiving, from a first device, ciphertext corresponding to elements of a first data set of the first device, performing, based on a match function defined for elements of a second data set of a second device, an intersection operation between the ciphertext and the elements of the second data set, and transmitting a result of the intersection operation to the first device, wherein the ciphertext is generated based on an elementary symmetric polynomial corresponding to the elements of the first data set.

Abstract: An electrode, a method for manufacturing the electrode, and a lithium metal battery including the electrode are provided. The electrode includes a lithium matrix and a plurality of lithium ion conductive one-dimensional structures dispersed in various directions within the lithium matrix.

Abstract: The present invention relates to a heteroaryl derivative, a stereoisomer thereof, a hydrate thereof, a solvate thereof, or a pharmaceutically acceptable salt thereof, a method for preparing the same, and a pharmaceutical composition for preventing or treating cancer comprising the same as an active ingredient. The heteroaryl derivative of the present invention exhibits high inhibitory activity against overexpressed HER2, and thus, a pharmaceutical composition containing the same as an active ingredient can be usefully used for preventing or treating HER-2 positive cancer.

Abstract: A semiconductor device includes a semiconductor pattern, a dielectric layer on the semiconductor pattern, and a conductive pattern on the dielectric layer. Each of the semiconductor pattern and the dielectric layer includes impurities. The dielectric layer includes a concentration profile of impurities including a first variation section including a first concentration of impurities decreasing throughout the dielectric layer toward the semiconductor pattern, and a second variation section including a second concentration of impurities decreasing throughout the dielectric layer toward the semiconductor pattern.

Abstract: A wearable antenna comprises: an upper substrate made of a solid material; an inner open ring radiator formed on an upper surface of the upper substrate and having a first slit formed therein; an outer open ring radiator formed in a ring shape having the same center as the inner open ring radiator and having a larger radius on the upper surface, and having a second slit formed therein to open a partial area; a feeding portion formed on a lower surface of the upper substrate and transmitting a feed signal applied from an input port to each of the two open ring radiators through two vias penetrating the upper substrate; a lower substrate spaced apart from the lower surface of the upper substrate by a predetermined distance and made of a flexible material; and a ground plane formed on a lower surface of the lower substrate.

Abstract: An apparatus for estimating bio-information is disclosed. The apparatus may include: a pulse wave sensor configured to measure a pulse wave signal from an object; a force sensor configured to obtain a force signal by measuring an external force exerted onto the force sensor; and a processor configured to obtain a first input value, a second input value, and a third input value based on the pulse wave signal and the force signal, to extract a feature vector by inputting the first input value, the second input value, and the third input value into a first neural network model, and to obtain the bio-information by inputting the feature vector into a second neural network model.

Abstract: The present invention relates to a method for preparing a metamaterial in the form of a film having high visible light transmittance and excellent radiative cooling characteristics even with a small thickness by powder coating. In the present invention, a metamaterial in the form of a highly transparent film can be prepared by powder coating of aerogel particles, an optical modulator, and a base resin. The metamaterial formed according to the present invention can exhibit excellent visible light transmittance and heat dissipation characteristics and, since a powder coating process is used, a metamaterial coating can be formed regardless of the shape of an object and the coating can be thin and uniform.

Abstract: A rotor for an induction motor is provide. The rotor includes a core built with stacks of a plurality of steel sheets and includes a plurality of rotor slots that are radially arranged. The rotor further includes a plurality of conductor bars contained in the plurality of rotor slots, respectively, and end-rings attached to both longitudinal ends of each of the plurality of conductor bars. The rotor further includes at least one slit formed inward from an outer periphery of the rotor along a perimeter of the rotor, wherein the slit has a depth deep enough to form a groove portion in at least some region of each of the plurality of conductor bars.

Abstract: A method and apparatus for graph processing using a neural network model are provided. The method includes generating messages based on node states of nodes of input graph data using a neural message generating model, generating aggregated messages by aggregating the messages based on the nodes, updating the node states of the nodes by executing different neural update models, and outputting a task result with respect to the input graph data based on the updated node states.

Abstract: The present invention relates to an apparatus for discharging air. An apparatus for discharging air, according to one embodiment of the present invention, comprises: a duct having a path thereinside through which air flows in the forward and backward directions, and having an inlet formed at a rear end thereof, and an outlet formed at a front end thereof; and a wind direction control member located inside the duct, and having at least a partial area provided to be movable in the vertical direction so as to control the direction of air discharged through the outlet.

Abstract: The present invention relates to a metamaterial composition having excellent radiative cooling characteristics and a film prepared from same. The metamaterial of the present invention comprises a base material, aerogel particles and optical control agent, and thus can exhibit high visible light transmittance and excellent infrared emissivity even with a thin thickness. Therefore, the metamaterial of the present invention can be used as a radiative cooling film requiring transparency, and can be usefully applied to, especially, a cover window for a display.

Abstract: The present invention may provide a device and a method for detecting and diagnosing sleep apnea, which can accurately determine an apnea state by: extracting a respiration signal of an examinee from a received signal which is a reflection of an impulse signal emitted from at least one IR-UWB radar; setting a threshold value for determining an apnea state from changes in the deviation and interval between peaks of the extracted respiration signal; and comparing the set threshold value with the deviation between the peaks. Therefore, the sleep apnea can be accurately detected and diagnosed using a non-contact/noninvasive method, and thus inconvenience felt by the examinee can be reduced.

Abstract: A mobility device may include a drive for driving the mobility device, a projector for outputting a visual stimulus, an electroencephalogram device for detecting a brainwave of a user, and a controller for controlling the drive and/or the projector. The controller may be connected to the EEG device, and may be configured to control the projector to output the visual stimulus to a surface at a position spaced by a specified distance from the mobility device.

Abstract: A method of operating a dynamic vision sensor system includes: obtaining event signals from a plurality of dynamic vision sensor pixels over a predetermined time period, wherein the event signals correspond to a measured change in light; obtaining original image data based on the event signals output by the plurality of DVS pixels and including a plurality of image pixels, wherein the plurality of image pixels respectively correspond to the plurality of dynamic vision sensor pixels; obtaining binary image data by binarizing pixel values of the plurality of image pixels; defining a plurality of pixel groups from the plurality of image pixels in the binary image data; and selecting a plurality of effective groups from among the plurality of pixel groups that represent the movement of an object.

Abstract: A display device includes: a pixel including a light emitting element, a first capacitor connected between a first node and a second node, and a second capacitor connected between the second node and a third node. The pixel further includes: a first transistor connected between the second node and the light emitting element to operate depending on potential of the first node; a second transistor connected between the third node and a data line to operate depending on a first scan signal; a third transistor connected between the third node and the second transistor to operate depending on a light emitting control signal; a fourth transistor connected between a reference voltage line and a first node to operate depending on the second scan signal; and a fifth transistor connected between the reference voltage line and the third node to operate depending on a third scan signal.

Abstract: The present specification relates to an astrocyte-specific nucleic acid aptamer and a use thereof. The astrocyte-specific nucleic acid aptamer, according to the disclosure in the present specification, is a DNA aptamer.

Abstract: An off-road travel assistive device includes a receiver configured to receive travel data of a vehicle, and an estimator. The estimator includes a road surface severity estimator configured to estimate road surface severity data based on the travel data of the vehicle. The device also includes a stuck probability determiner configured to determine probability of a stuck state of the vehicle occurring using the travel data and the road surface severity data. The stuck probability determiner determines stuck probability using a meta-model.

Abstract: An apparatus for and a method for estimating blood pressure are provided. The apparatus for estimating blood pressure includes: a sensor configured to measure a pulse wave signal from an object; and a processor configured to obtain a mean arterial pressure (MAP) based on the pulse wave signal, configured to classify a phase of the obtained MAP according to at least one classification criterion, and to obtain a systolic blood pressure (SBP) by using an estimation model corresponding to the classified phase of the MAP among estimation models corresponding to respective phases of the MAP.