Abstract: The apparatus and the method for estimating a channel of a wireless power transmission system using an intelligent reflecting surface according to the exemplary embodiment of the present disclosure check a strength of a received signal received by a terminal with respect to a measured signal transmitted from the transmitter, regardless of the number of reflective elements of the intelligent reflecting surface (IRS) or the number of terminals and estimate a channel between the transmitter and the intelligent reflecting surface (IRS) and the channel between the intelligent reflecting surface (IRS) and the terminal so that the channel information can be efficiently acquired even in the wireless power transmission system including a low power terminal.

Abstract: A resolution controller for a stretchable display includes a resolution-setting multiplexer module to receive a resolution selecting signal and to apply a gate in panel (GIP) selecting signal, in response to the resolution selecting signal, and a GIP module configured to generate a gate driving signal in response to the GIP selecting signal applied by the resolution-setting multiplexer module, and apply the gate driving signal to a pixel driving flexible printed circuit board (FPCB) of the stretchable display to drive an open pixel depending on a stretched state of the stretchable display.

Abstract: A semiconductor device includes a substrate, a plurality of semiconductor patterns spaced apart from each other in a first horizontal direction on the substrate, where each of the plurality of semiconductor patterns has first side surfaces opposing each other in the first horizontal direction and second side surfaces opposing each other in a second horizontal direction, the first and second horizontal directions parallel to an upper surface of the substrate, the second horizontal direction perpendicular to the first horizontal direction, source/drain regions on the second side surfaces of each of the plurality of semiconductor patterns, a plurality of gate patterns surrounding upper surfaces, lower surfaces, and the first side surfaces of each of the plurality of semiconductor patterns, a plurality of conductive line patterns connecting the plurality of gate patterns to each other, and data storage structures in parallel to the plurality of semiconductor patterns in the second horizontal direction.

Abstract: A semiconductor device includes a substrate having first and second regions, semiconductor patterns spaced apart from each other in a first horizontal direction on the first region, wherein each of the semiconductor patterns has first side surfaces opposing each other in the first horizontal direction and second side surfaces opposing each other in a second horizontal direction, the first and second horizontal directions parallel to an upper surface of the substrate, the second horizontal direction perpendicular to the first horizontal direction, gate patterns surrounding an upper surface, a lower surface, and the first side surfaces of each of the semiconductor patterns, and a landing pattern spaced apart from the semiconductor patterns in the first horizontal direction on the second region and electrically connected to the gate patterns. The landing pattern includes a semiconductor material layer and a conductive material layer covering at least one surface of the semiconductor material layer.

Abstract: A nonvolatile memory device according to the embodiment includes: a first inverter; and a second inverter cross-coupled to the first inverter, wherein the second inverter includes a pull-up transistor, a pull-down transistor, and a ferroelectric field effect transistor having gate nodes connected to each other, and a restore transistor having one electrode connected to the ferroelectric field effect transistor, and the second inverter stores data in a nonvolatile manner.

Abstract: A dialyzer control apparatus includes a magnetic field generator which is disposed on an outer surface of a dialyzer which removes wastes from a blood flowing therein and generates a magnetic field; and a controller which controls the magnetic field generator to perform a magnetic field stimulation on the blood flowing into the dialyzer. The magnetic field stimulation may be a stimulation related to the improvement of the Rouleaux formation for the red blood cells in the blood.

Abstract: Disclosed herein are a system and method for recommending repeat-purchase products using modified self-similarity. The system is operated by a computer in an environment in which user equipment (UE), a database, and a web server are connected over a network.

Abstract: The present invention relates to a system for constructing a hyperkalemia prediction algorithm through an electrocardiogram, a method for constructing the hyperkalemia prediction algorithm through the electrocardiogram by using the same, and a hyperkalemia prediction system using the electrocardiogram, and the system for constructing a hyperkalemia prediction algorithm through an electrocardiogram includes: a data collection unit collecting electrocardiogram data of multiple hyperkalemia patients; a data processing unit generating a training dataset for machine learning based on the electrocardiogram data collected by the data collection unit; and a model generation unit constructing a neural network model for predicting a hyperkalemia using an electrocardiogram based on the training dataset provided by the data processing unit.

Abstract: A processor includes an instruction pipeline that sequentially processes an original instruction and a duplicate instruction, which is generated by duplicating the original instruction. An original register file stores a result obtained by processing the original instruction in the instruction pipeline within a register of a nth index thereof. A duplicate register file stores a result obtained by processing the duplicate instruction in the instruction pipeline within a register of a nth index thereof. A comparing unit compares the register of the nth index in the original register file with the register of nth index in the duplicate register file and outputs an error detection signal, in response to a control signal.

Abstract: According to the present exemplary embodiments, provided are a traffic signal system and a vehicle which estimate a position and a moving direction of a vehicle in accordance with a driving status of the vehicle at an intersection and improve a positioning accuracy based on wired or wireless communication.

Abstract: A semiconductor system including a transmitter configured to output a plurality of data as a plurality of data input/output signals through a plurality of channels based on a matrix E, and a receiver configured to generate the plurality of data by differentially amplifying the plurality of data input/output signals received through the plurality of channels based on a matrix D, in which all components of the matrix E and the matrix D are integers, a product matrix of the matrix D and the matrix E is a diagonal matrix, a sum of the components of each row of the matrix D is 0, and a sum of absolute values of the components of each column of the matrix D is less than or equal to a threshold value.

Abstract: Disclosed is an in-memory device for operation of a multi-bit weight. A multi-bit memory cell array according to an exemplary embodiment of the present invention includes at least one multi-bit unit which stores input data based on an input signal and outputs a per-group sum value summed for every group by applying a multi-bit weight to the stored input data; and a final summation unit which is connected to at least one multi-bit unit, adjusts a ratio for every group to receive the peer-group sum value, and outputs a final output value by summing the input per-group sum value.

Abstract: An apparatus for estimating contact distribution to quickly estimate contact spot distribution from a contact surface image using a deep learning model based on a convolution neural network (CNN) and a method thereof are disclosed. A method for estimating contact distribution to estimate contact spot distribution between a first contact spot and a second contact spot includes inputting a contact surface image of at least one of the first contact surface and the second contact surface to a deep learning model based on a CNN and estimating contact spot distribution between the first contact surface and the second contact surface from an output of the deep learning model.

Abstract: The method of detecting a soft error includes copying, in a program loaded into a memory, an original branch command to a copied branch command, executing, by a processor, a first command set comprising the copied branch command, executing, by a processor, a second command set comprising the original branch command, and determining, by a soft error detection circuit, whether an error exists in the execution of the original branch command based on the execution result of the first command set and the second command set.

Abstract: The present disclosure relates to a switching antenna for automotive Ultra-Wide-Band (UWB) communication. The switching antenna includes a substrate section, a radiating section having a plurality of radiators formed on the substrate section so as to be spaced apart from each other to provide a pattern signal, and a selective signaling section formed on the substrate section to selectively connect the radiating section to cause a radiation pattern of the radiating section to be one of directional and omnidirectional.

Abstract: The present disclosure relates to a switching antenna for UWB communication for a vehicle. The switching antenna may include a substrate part, a radiation part formed in the substrate part and configured to radiate an omnidirectional pattern signal, a main ground part formed in the substrate part and disposed below the radiation part, side ground parts formed on the substrate part and disposed on both sides of the radiation part, and a selection signal part formed in the substrate part and configured to induce a radiation pattern of the radiation part to become either directional or omnidirectional by selectively connecting the main ground part and the side ground part.

Abstract: Proposed is a switching antenna for vehicular UWB communication, the switching antenna including a substrate, a directional radiation unit formed on the substrate and configured to provide a directional radiation signal, a non-directional radiation unit formed on the substrate and configured to provide a non-directional radiation signal, and a signal providing unit formed on the substrate and configured to provide an on or off signal to either the directional radiation unit or the non-directional radiation unit.

Abstract: The present disclosure relates to an actuator. The actuator includes at least two iron cores, each iron core including a pole extending in a first direction parallel to a direction of gravity; a permanent magnet disposed between the at least two iron cores so as to generate a magnetic field along a shape of a combination of the at least two iron cores arranged so as to be adjacent to each other in a direction not parallel to the first direction; and a winding wound around the pole of each of the at least two iron cores.

Abstract: A multi-level transferable region-based domain adaptive object detection apparatus includes: an image-level feature part that extracts an image-level feature by providing unlabeled target data to a plurality of convolutional layers; an RPN-level feature part that determines region candidates by providing the image-level feature to a region proposal network (RPN) and performing RPN-level domain adaptation and transferable region filtering; and an instance-level feature part that extracts a region of interest (RoI) pooling feature by conducting dynamic instance sampling on the region candidates.

Abstract: A memory element includes a substrate, a first electrode formed on the substrate, a phase-change heterolayer formed on the first electrode and electrically connected to the first electrode, and a second electrode formed on the phase-change heterolayer, wherein the phase-change heterolayer includes one or more confinement material layers and one or more phase-change material layers, and the confinement material layer includes a metal chalcogenide film.