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 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 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: 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: 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 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: 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: 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.

Abstract: The present disclosure relates to a method and a device for acquiring location information of a terminal by using a wireless communication system. A signal measurement device comprises: an information acquisition unit for acquiring at least one among an uplink signal of a target terminal, or identification information of a terminal which is potentially an interference source in the transmission of the uplink signal; a communication unit capable of communicating with a base station or a location measurement server; and a control unit for, on the basis of the uplink signal, generating information on the occurrence of an interference to the uplink signal of the target terminal, or generating interference source information including the identification information of the terminal which is potentially an interference source.

Abstract: A rotor for an induction motor includes a rotor core having a hollow portion on a central portion wherein a shaft is coupled to the rotor core by being inserted through the hollow portion, a plurality of slots radially formed in the rotor core around a central axis of the shaft, a plurality of conductor bars coupled to the plurality of slots, and an end ring electrically connecting the plurality of conductor bars to each other, wherein the rotor core is thermally treated above Curie temperature to form a predetermined pattern on an outer circumference of the rotor core.

Abstract: A pixel including: a light emitting diode; a first capacitor connected between first and second nodes; a second capacitor connected between the second node and a third node; a first transistor including a first electrode connected to the second node, a second electrode connected to an anode of the light emitting diode, and a gate electrode connected to the first node; a second transistor including a first electrode connected to the third node, a second electrode connected to a reference voltage line, and a gate electrode connected to a first scan line; a third transistor including a first electrode electrically connected to the first node, a second electrode connected to the reference voltage line, and a gate electrode connected to a second scan line; and a fourth transistor including a first electrode connected to a data line, a second electrode connected to the third node, and a gate electrode connected to a third scan line.

Abstract: The present disclosure relates to a climbing robot platform. The climbing robot platform is a climbing robot platform of a building facade cleaning robot, and includes a body, a lifting device installed in the body, moving up by winding a rope and moving down by unwinding the rope, and a feeding device installed in the body to feed the rope by adjusting a feed point of the rope.

Abstract: A plasma process monitoring apparatus using terahertz waves is provided. A plasma process monitoring apparatus using terahertz waves may comprise: a first monitoring module disposed in a direction parallel to the width direction of a wafer on the outside of a plasma chamber in which the wafer is introduced and monitoring plasma formed inside the plasma chamber during a plasma process for forming a film on the wafer by using terahertz waves; and a second monitoring module disposed outside the plasma chamber in the thickness direction of the wafer so as to face the wafer and monitoring the wafer on which a film is formed on a surface through the plasma process by using the terahertz waves.

Abstract: A hybrid motor includes an induction motor and a synchronous motor combined. The hybrid motor includes a hollow rotor that includes conductor bars configured to form an annular shape at a position spaced apart from a rotation axis by a predetermined first distance and a synchronous motor equivalent that is disposed in an annular shape at a position spaced apart from the rotation axis by a predetermined second distance, an induction stator that includes induction stator windings positioned on a first radial side of the hollow rotor, and a synchronous stator that includes synchronous stator windings positioned on a second radial side of the hollow rotor.