Abstract: A hole location updating device and a method for operating a hole location updating device are provided. The hole location updating device having a housing including a flagpole combiner for providing a combination with a flagpole, includes: a global positioning system (GPS) circuit for detecting a GPS position of a hole; a mobile communication circuit for providing access to a server through a mobile communication network; and a control circuit operable in a power blocking mode, escaping from the power blocking mode in response to a wakeup signal to update a hole location, and entering the power blocking mode.

Abstract: Provided is a gear box removable electrically driven torque wrench. The gear box removable electrically driven torque wrench includes: a body casing 10 including a body part 12 in which an electric motor and a motor driver are mounted in an internal accommodation space and a handle part 14 extending downward of the body part; a gear box 20 dynamically coupled to a motor rotation shaft 13 of the electric motor in front of the body part 12, and adding and reducing an output according to driving of the electric motor and transmitting the added and reduced output to a tightening member; and an adapter socket including a coupling adapter installed on a gear box coupled surface 11 in front of the body part 12 and a coupling socket fixedly installed on a body coupled surface 21 at the rear of the gear box 20 and detachably coupled to the coupling adapter.

Abstract: Provided is an amplification module with a gas moving passage and an extract moving passage, more particularly an amplification module in which, when an extract is input from a genome extraction device in which the amplification module is installed, a quantitative amount of the extract is input to each accommodating portion so that the accuracy of detection can be increased.

Abstract: A medical instrument positioning tracking system includes: a bar-type medical instrument which has a bar shape front end part and an identification segment formed on the rear end part; a tracking multi-camera including a plurality of cameras provided at a plurality of locations so that the identification segment can be photographed in a plurality of time points; a display device for displaying an augmented reality image with the medical instrument as an augmented object and also displaying relevant information including location and angle of the medical instrument; and a control device for acquiring, in real time, a tracking image captured by the tracking multi-camera for every frame, estimating a three-dimensional segment by using the acquired image, estimating the actual three-dimensional positioning of the medical instrument by using the location relationship between a pre-measured location of the medical instrument and the three-dimensional segment, and displaying the estimated three-dimensional positioni

Abstract: A positive electrode active material for a lithium secondary battery has secondary micro particles having an average particle size (D50) of 1 to 10 ?m formed by agglomeration of primary macro particles having an average particle size (D50) of 0.5 to 3 ?m and a lithium-M oxide coating layer on all or part of a surface, wherein M is at least one selected from the group consisting of boron, cobalt, manganese and magnesium. The secondary macro particles have an average particle size (D50) of 5 to 20 ?m formed by agglomeration of primary micro particles having a smaller average particle size (D50) than the primary macro particles. The primary macro particles and the primary micro particles are represented by LiaNi1?b?c?dCobMncQdO2+?, wherein 1.0?a?1.5, 0<b<0.2, 0<c<0.2, 0?d?0.1, 0<b+c+d?0.2, ?0.1???1.0, and Q is at least one type of metal selected from the group consisting of Al, Mg, V, Ti and Zr.

Abstract: The disclosed is the power saving device capable of reducing power consumption by maintaining a constant output voltage even when an input voltage changes, and more particularly, the power saving device capable of improving the performance and lifespan of a load by stably adjusting a supplied voltage through the toroidal core, the multi-channel switch, and the control means for controlling the same and then supplying it to the load side and also reducing power consumption accordingly, and particularly, safely and firmly fixing the toroidal core in which the primary coil and the secondary coil are wound inside the power saving device by using the core fixing members and also preventing a temperature rise by easily discharging the heat generated in the toroidal core out of the device.

Abstract: An active data collection mode control system to reduce crowd sourcing signal data collection required for fingerprint database (FPDB) maintenance is provided. The system includes a mobile device that supports a survey mode, a localization mode, and a crowd-sourcing mode, and a server that receives data from the mobile device, generates and updates an FPDB, and controls a data collection mode.

Abstract: Disclosed are an entry management server, system and method for digital service-based traffic orchestration. The entry management server according to an embodiment includes a communication unit, and a processor connected to the communication unit and controlling a transaction for a request received by a server system. The processor receives a request signal transmitted from a user terminal, collects status data for each of a plurality of servers within the server system, determines whether the user terminal is capable of accessing the server system, based on the collected status data, and controls transmission of the request signal to the server system based on the determined result.

Abstract: Disclosed is a system for ensuring the continuity of a proxy-based service, and a method thereof. The system includes a target server that processes a queue of access requests received from a plurality of client devices and processes the queue until a first time point when the waiting amount of access request exceeds a predetermined first threshold, a queue management server that processes the queue from the first time point until a second time point when the waiting amount exceeds a predetermined second threshold, and a mirror server that processes the queue from the second time point.

Abstract: A perovskite photodiode includes a first electrode and a second electrode, and a perovskite photoelectric conversion layer between the first electrode and the second electrode and including a Pb-free perovskite, and an auxiliary layer between the first electrode and the perovskite photoelectric conversion layer, and including a compound represented by Chemical Formula 1. In Chemical Formula 1, X1, X2 and R1 to R6 are as defined in the specification.

Abstract: Disclosed is a queue management device for providing information about an access waiting screen, and a method thereof. The device includes a communication unit that communicates with a client device and a target server, a memory in which at least one process for providing information to a waiting screen of the client device waiting to be accessed is stored, and a processor that operates according to the process. The processor provides waiting information of the client device to the waiting screen based on an access request previously received from another client device when receiving an access request for the target server from the client device through the communication unit, and provides additional service-related information to the waiting screen until the client device is allowed to access the target server.

Abstract: A preprocessing method of a data preprocessing device is provided. The preprocessing method includes dividing a region, where the target object is located, into coarse grids and generating first sample data including a similarity value between a virtual sensor measurement value and a real sensor measurement value measured in each of the coarse grids, dividing each coarse grid into fine grids and generating second sample data including a similarity value between a virtual sensor measurement value and a real sensor measurement value measured in each of the fine grids, dividing each fine grid into finer grids and generating third sample data including a similarity value between a virtual sensor measurement value and a real sensor measurement value measured in each of the finer grids, and inputting the training data, including the first to third sample data, to the deep learning model.

Abstract: Disclosed are a multi-URI-based queue management device and a method thereof. Access to a target server in one queue is integrated and managed even though the same website or web page is accessed through various platforms when the target server is overloaded, thereby securing equity/fairness between users (connectors).

Abstract: A semiconductor device a strapped interconnect line, which in turn includes a first interconnect line at a first level above a semiconductor substrate, and a second interconnect line at a second level above the interconnect substrate. A dielectric capping layer is located directly on the first interconnect line. A plurality of strapping vias are connected between the first interconnect line and the second interconnect line. Each of the strapping vias extends from a first side of the first interconnect line to a second side of the second interconnect line.

Abstract: Provided is a method of selecting a two dimension (2D) image for three dimension (3D) reconstruction, the method including: receiving, by an image processing apparatus, 2D images captured at different positions or in different directions; estimating, by the image processing apparatus, a geometric structure of a camera based on feature points detected from the 2D images, and optimizing the geometric structure of the camera using a bundle adjustment (BA) technique; determining, by the image processing apparatus, a priority for each of the 2D images based on a number of tie points used in the BA process; and selecting, by the image processing apparatus, final 2D images to be used for 3D reconstruction based on the priorities of the 2D images.

Abstract: A method for nitrilation reaction of acrylic acid ester using a metal-doped titanium dioxide (TiO2) catalyst includes synthesizing a metal-doped titanium dioxide (TiO2) catalyst by mixing a titanium precursor, a metal precursor and an acid solvent, and obtaining a final product by injecting a gas containing ammonia and ethyl acrylate to the catalyst.

Abstract: The objective of the present invention is to provide a fluorine-based polymer having a low surface energy, a fluorine-based polymer composition comprising same, a fluorine-based polymer membrane comprising same, and a method for manufacturing same. The present invention provides an acrylate-based copolymer, and in particular, the present invention is characterized in that the number of fluorocarbons in the repeating unit is limited to 3 to 5, such that the surface energy of the polymer and the polymer membrane produced therefrom is significantly lowered. In addition, when the polymer of the present invention is coated on glass, etc., the polymer has the effect of remarkably improving light transmittance, and has excellent mechanical strength.

Abstract: Provided is a hybrid ring-type smart stethoscope and a method for producing the same, and the hybrid ring-type smart stethoscope includes: a connection part which has a hollow hole into which a user's finger is inserted; an upper structure which is provided on the top of the connection part; and a lower structure which is provided on the bottom of the connection part, and has a measurement module collecting body-related information, which includes the user's heartbeat or respiratory information, by coming into contact with the user. The method of producing a hybrid ring-shaped smart stethoscope includes the steps of: preparing a connection part for wearing on a user's finger; installing an upper structure on the top of the connection part in a foldable manner; and installing a lower structure on the bottom of the connection part in a foldable manner.

Abstract: A cooking appliance in which a plurality of transparent plates, which block heat generated in the cavity to protect a camera, are disposed not to be in direct contact with a camera module, and individual transparent plates are spaced apart from each other to form air layers so that the direct conduction of heat from the cavity to the camera can be prevented.

Abstract: The present invention relates to an insulating gas used for electrical insulation or arc extinguishing of an electrical device, and an electrical device for insulating electricity using the same. The insulating gas of the present invention, which may replace SF6 gas, consists of a mixed gas of trifluoromethyl trifluorovinyl ether (CF3OCFCF2) and a carrier gas. The insulating gas of the present invention has the characteristics of a low boiling point, high dielectric strength, low toxicity, and a low global warming potential (GWP=1 or less), and thus may replace SF6, and the low global warming potential with no loss of high insulating capacity and arc extinguishing capability may reduce greenhouse gases.