Abstract: Proposed is a vagus nerve stimulator having at least two electrodes that are configured to be worn on at least one of the left and right ears and are configured to generate electrical stimulation on the vagus nerve in the auricle. The vagus nerve stimulator may include: a body part configured to be located on a side of a wearer's ear; a first electrode configured to be inserted into and make contact with the external acoustic meatus of the wearer's ear; a second electrode configured to make contact with the cymba concha of the wearer's ear; a first electrode fixing part protruding from the body part and having a first electrode at an end thereof; and a second electrode fixing part protruding from the body part and having a second electrode at an end thereof.

Abstract: The present technology relates to an electronic device. A memory device including a plurality of memory cells connected to a plurality of word lines arranged between a plurality of source select lines and a plurality of drain select lines, a peripheral circuit configured to perform a program operation of programming data in selected memory cells among the plurality of memory cells, and a program operation controller configured to control the peripheral circuit to apply a voltage, for turning on or off source select transistors connected to the plurality of source select lines, to the plurality of source select lines, while applying a pass voltage to the plurality of word lines after applying a program voltage to selected word lines connected to the selected memory cells.

Abstract: A duty cycle correction circuit includes a duty correction circuit, an information generation circuit and a duty control circuit. The duty correction circuit corrects a duty rate of an input clock signal based on a duty control code to generate an output clock signal. The information generation circuit compares a difference between operation power voltages based on an operation mode to generate voltage information. The duty control circuit receives the voltage information from the information generation circuit and generates the duty control code that includes the voltage information based on a duty rate of the output clock signal.

Abstract: A memory system includes a memory controller, a first memory module including first and second groups of first memory chips, a second memory module including first and second groups of second memory chips, and a channel including a first group of signal lines suitable for coupling the memory controller with the first memory module, and a second group of signal lines suitable for coupling the memory controller with the second memory module.

Abstract: Provided is an apparatus and method for predicting the remaining lifetime of an environment data collection sensor in a livestock house. The method for predicting the remaining lifetime of an environment data collection sensor in a livestock house includes (a) collecting livestock house environment information, (b) detecting an error of a sensor from the collected livestock house environment information, (c) generating a dataset for learning, (d) generating a sensor lifetime prediction model to performing learning, and (e) predicting a lifetime of the sensor using a result of the learning.

Abstract: A printed circuit board includes: a core portion including a cavity in one surface thereof; first and second penetration holes disposed in a bottom surface of the cavity and penetrating through the core portion; an electronic component disposed in the cavity; and an insulating material filling the cavity and each of the first and second penetration holes, wherein a sidewall of the cavity is higher than the electronic component.

Abstract: Provided is a heterocyclic compound of Chemical Formula 1: wherein X1 is CR1 or N, X2 is CR2 or N, X3 is CR3 or N, X4 is CR4 or N, Y1 is CR5 or N, Y2 is CR6 or N, Y3 is CR7 or N, Y4 is CR8 or N, Z1 is CR9 or N, Z2 is CR10 or N, Z3 is CR11 or N, and Z4 is CR12 or N, wherein X1 to X4, Y1 to Y4 and Z1 to Z4 are not N at the same time; and at least one of R1 to R12 is Chemical Formula 2: wherein A1 is O, S or Se; L1 is a direct bond, or a substituted or unsubstituted arylene or heteroarylene group; at least one of Ar1 and Ar2 is a substituted or unsubstituted alkyl group, and the rest is a substituted or unsubstituted aryl or heteroaryl group; and the rest are the same as or different from each other, and each independently is hydrogen, deuterium, halogen, cyano, nitro, hydroxyl, carbonyl, ester, imide, amide, or a substituted or unsubstituted: alkyl, cycloalkyl, alkoxy, aryloxy, alkylthioxy, arylthioxy, alkylsulfoxy, arylsulfoxy, alkenyl, silyl, boron, amine, arylphosphine oxide, aryl, or heteroa

Abstract: Provided is a compound of Chemical Formula 1: wherein: X is O or S; L is a direct bond, a substituted or unsubstituted arylene group, or a substituted or unsubstituted heteroarylene group; Ar1 is a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group; Ar2 is a substituted or unsubstituted aryl group having 6 to 30 carbon atoms; R1 to R8 are the same as or different from each other, and each independently is hydrogen, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heteroaryl group; and m and n are each an integer of 0 to 7, and when m is 2 or greater, R7s are the same as or different from each other, and when n is 2 or greater, R8s are the same as or different from each other, and an organic light emitting device including the same.

Abstract: A video decoding method for decoding an input bitstream in which each of pictures has been encoded with being split into a plurality of tiles, the method includes decoding partial decoding information included in the input bitstream and determining one or more target tiles to be decoded among the plurality of tiles according to the partial decoding information; and decoding video data corresponding to the one or more target tiles, wherein the partial decoding information includes at least one of first information indicating whether to perform partial decoding and second information indicating an area on which partial decoding is to be performed.

Abstract: Provided is a compound of Chemical Formula 1: wherein: A is a benzene ring; X1 and X2 are each independently O or S; Y1 to Y3 are each independently N or CH, provided that at least one of Y1 to Y3 is N; Ar1 and Ar2 are each independently a substituted or unsubstituted: C6-?aryl or C2- 60 heteroaryl containing at least one of N, O, and S; R1 to R3 are each independently hydrogen, deuterium, halogen, cyano, nitro, amino, or a substituted or unsubstituted: C1-60 alkyl, C3-60 cycloalkyl, C2-60 alkenyl, C6-60 aryl, or C2-60 heteroaryl containing at least one of N, O, and S; and R?and R5 are each independently hydrogen, deuterium, halogen, cyano, nitro, amino, or a substituted or unsubstituted: C1-60 alkyl, C3-?cycloalkyl, C2-60 alkenyl, C6-60 aryl, or C2-60 heteroaryl containing at least one of N, O, and S, and an organic light emitting device including the same.

Abstract: According to an embodiment of the inventive concept, a method for matching an actual surgical image and a 3D-based virtual surgical simulation environment, which is performed by an apparatus, includes setting POI information during surgery at each of surgery steps in a pre-stored surgical image obtained by performing surgery the same as the actual surgical image, matching the POI information with a virtual pneumoperitoneum model of a patient, which is used for the 3D-based virtual surgical simulation environment, the virtual pneumoperitoneum model being displayed on a UI, recognizing a real-time surgery step of the actual surgical image and determining a location of the POI information for the respective recognized surgery step, and obtaining and displaying image information, which is captured by moving a location of an endoscope inserted into the virtual pneumoperitoneum model to the same location as the determined location of the POI information, through the UI.

Abstract: The chuck for supporting a target substrate for a display device, the chuck includes: a base having a first surface to support an object and a second surface opposite the first surface, the first surface including a first area and a second area; and indentations formed in the second area and recessed from the first area in a thickness direction of the base. The indentations include a first indentation extending in a first direction and a second indentation extending in a second direction intersecting the first direction.

Abstract: A semiconductor device includes an active pattern having sharp corners. The semiconductor device includes a peripheral circuit including a substrate, a resistor device in the substrate, and an active pattern on the substrate. When viewed in a plan view, the active pattern includes corners in a serpentine shape, and first and second shapes of the corners are different from each other.

Abstract: An image sensor and an operating method thereof are provided. The image sensor comprises a voltage generator configured to receive a reference voltage and generate an operating voltage, an analog-to-digital converter (ADC) circuit configured to receive the operating voltage and output a digital code based on the operating voltage, and processing circuitry configured to receive the digital code, and calculate a settling time at which the operating voltage was stabilized based on the digital code and a desired settling threshold voltage value.

Abstract: A luggage board for a vehicle includes a core layer; a first layer covering a portion of the core layer; and a second layer covering a remaining portion of the core layer except for a region covered by the first layer. End portions of the first layer and the second layer disposed on a side surface of the core layer are bonded to each other.

Abstract: A bobbin installation unit includes a bobbin, a film supply unit configured to supply an electrode-connecting film to the bobbin, a transfer unit configured to transfer the electrode-connecting film installed in the film supply unit to the bobbin installation unit, an adhesive tape attaching unit installed above the bobbin installation unit and configured to attach an end portion of the electrode-connecting film drawn out to the transfer unit to the bobbin. It also includes a double-sided tape attaching unit configured to attach a double-sided tape to the electrode-connecting film wound on the bobbin, and a frame body on which the adhesive tape attaching unit and the double-sided tape attaching unit are movably installed.

Abstract: A facial verification method and apparatus is disclosed. The facial verification method includes detecting a face region in an input image, determining whether the detected face region represents a partial face, in response to a determination that the detected face region represents the partial face, generating a synthesized image by combining image information of the detected face region and reference image information, performing a verification operation with respect to the synthesized image and predetermined first registration information, and indicating whether facial verification of the input image is successful based on a result of the performed verification operation.

Abstract: A video decoding method for decoding an input bitstream in which each of pictures has been encoded with being split into a plurality of tiles, the method includes decoding partial decoding information included in the input bitstream and determining one or more target tiles to be decoded among the plurality of tiles according to the partial decoding information; and decoding video data corresponding to the one or more target tiles, wherein the partial decoding information includes at least one of first information indicating whether to perform partial decoding and second information indicating an area on which partial decoding is to be performed.

Abstract: A video decoding method for decoding an input bitstream in which each of pictures has been encoded with being split into a plurality of tiles, the method includes decoding partial decoding information included in the input bitstream and determining one or more target tiles to be decoded among the plurality of tiles according to the partial decoding information; and decoding video data corresponding to the one or more target tiles, wherein the partial decoding information includes at least one of first information indicating whether to perform partial decoding and second information indicating an area on which partial decoding is to be performed.

Abstract: A video decoding method for decoding an input bitstream in which each of pictures has been encoded with being split into a plurality of tiles, the method includes decoding partial decoding information included in the input bitstream and determining one or more target tiles to be decoded among the plurality of tiles according to the partial decoding information; and decoding video data corresponding to the one or more target tiles, wherein the partial decoding information includes at least one of first information indicating whether to perform partial decoding and second information indicating an area on which partial decoding is to be performed.