Abstract: Disclosed herein are a reward apparatus and method for blockchain-based blockchain-based Reconfigurable Intelligent Surface (RIS) infrastructure sharing. The reward apparatus for blockchain-based RIS infrastructure sharing may provide a service to a service user terminal through an RIS node, verify a contribution of the RIS node to provision of the service quantified by the RIS node using a first blockchain network, and provide a reward to the RIS node depending on the contribution.

Abstract: A light emitting device including a first LED sub-unit having a thickness in a first direction, a second LED sub-unit disposed on a portion of the first LED sub-unit in the first direction, each of the first and second LED sub-units comprising a first-type semiconductor layer, a second-type semiconductor layer, and an active layer, a reflective electrode disposed adjacent to the first LED sub-unit and electrically connected to the first-type semiconductor layer of the first LED sub-unit, and a first ohmic electrode forming ohmic contact with the second-type semiconductor layer of the first LED sub-unit, in which the active layer of the first LED sub-unit is configured to generate light, includes AlxGa(1-x-y)InyP (0?x?1, 0?y?1), and overlaps the active layer of the second LED sub-unit in the first direction, and the active layer of the second LED sub-unit includes the same material as the active layer of the first LED sub-unit.

Abstract: A shock fatigue testing device for a powertrain mount includes: a main frame having a guide support vertically extending from a base plate and a mounting plate coupled to the guide support; a first mount jig mounted to the mounting plate and configured to support the upper portion of a mount member; a second mount jig mounted to a lower portion of the mount member and configured to support the lower portion of the mount member; a weight portion fixed to the second mount jig and configured to apply a load to the mount member; and a vibration portion configured to continuously provide vibration to the base plate to vibrate the weight portion using the main frame, the first mount jig, and the second mount jig as media.

Abstract: Provided is a method for manufacturing an intrinsically stretchable organic solar cell, a manufacturing method thereof, and an electronic device comprising the same. The intrinsically stretchable organic solar cell of the present invention is characterized that wherein excellent interfacial bonding among stretchable constituent elements constituting each layer is induced so that the constituent elements are seamlessly integrated into a single system, thereby ensuring excellent initial power conversion efficiency (PCE), and mechanical robustness showing that 70% or more of initial PCE is maintained in spite of repetitive tensile strains. Thus, the organic solar cell is useful for an electronic device applied to any one selected from a group consisting of sensors, electronic skins, flexible displays, and stretchable displays.

Abstract: A vehicle control apparatus includes a detector that detects an external temperature of a vehicle, a vehicle speed, and a coolant temperature of an engine, an input device that receives a signal for ON or OFF operations of a heating control, and a controller configured for determining a heating load depending on the heating control when the external temperature is less than a predetermined temperature and the signal for the ON operation of the heating control is input, and controls an operation of an integrated thermal management valve, a deactivation operation of cylinders included in the engine, and an operation of an active air flap, according to at least one of the heating load and the coolant temperature.

Abstract: A multilayer electronic component includes a body including a capacitance formation portion including a dielectric layer and internal electrodes alternately disposed in a first direction, and a cover portion disposed on both surfaces of the capacitance formation portion opposing each other in the first direction; and an external electrode disposed on the body and connected to the internal electrode, wherein the cover portion includes polydopamine.

Abstract: A method, apparatus, system, and non-transitory computer readable medium for controlling user access through content analysis of an application are disclosed. The method for controlling access may include understanding a public level according to honorific language use by analyzing chat contents for each chat partner registered in an application, by the at least one processor; and controlling user access to the application based on the public level for each chat partner, by the at least one processor.

Abstract: A console device for vehicles, includes a first rail fixed to a vehicle body, a second rail combined with the first rail to be selectively slid in forward and rearward directions, and combined with a center console, a first stopper mounted on the second rail to be slid together with the second rail, and engaged with the first rail to selectively fix a sliding position of the second rail, a tray rail combined with the second rail to be slid in the forward and rearward directions, and combined with a tray provided in the center console, and a second stopper mounted on the tray rail to be slid together with the tray rail, and engaged with the second rail to selectively fix a sliding position of the tray rail.

Abstract: A server which performs secure authentication on a source code for smart contract may comprise a communication unit receiving a smart contract source code from the server requesting secure authentication; and a controller checking security vulnerability based on the received smart contract source code, wherein the controller comprises a source code vulnerability checking unit reading a source code of a smart contract and checking vulnerability in the source code; a communication interval checking unit checking a communication interval for execution of the source code; an execution vulnerability checking unit checking app and web vulnerability on a browser in which the source code is executed; a certificate issuing unit issuing a certificate if it is found from a checking result that a security level satisfies a required criterion and storing the certificate together with the source code in a blockchain block where the source code of the smart contract is stored.

Abstract: A server which performs secure authentication on a source code for smart contract may comprise a communication unit receiving a smart contract source code from the server requesting secure authentication; and a controller checking security vulnerability based on the received smart contract source code, wherein the controller comprises a source code vulnerability checking unit reading a source code of a smart contract and checking vulnerability in the source code; a communication interval checking unit checking a communication interval for execution of the source code; an execution vulnerability checking unit checking app and web vulnerability on a browser in which the source code is executed; a certificate issuing unit issuing a certificate if it is found from a checking result that a security level satisfies a required criterion and storing the certificate together with the source code in a blockchain block where the source code of the smart contract is stored.

Abstract: Disclosed is a probe system. The probe system includes a support member configured to grasp a circuit board to be tested vertically to a base plate, a probe-tip member having a probes that are in contact with a conductive pattern of the circuit board, a guide-arm member coupled with the probe-tip member and configured to move the probe-tip member to a desired position, and a network analyzer electrically connected with the probe of the probe-tip member and configured to analyze electromagnetic characteristics of the conductive pattern. Further disclosed is a calibration kit which that is applicable when calibrating a multi-port of the network analyzer using the probe system that is disclosed.

Abstract: Disclosed is a probe system. The probe system includes a support member configured to grasp a circuit board to be tested vertically to a base plate, a probe-tip member having a probes that are in contact with a conductive pattern of the circuit board, a guide-arm member coupled with the probe-tip member and configured to move the probe-tip member to a desired position, and a network analyzer electrically connected with the probe of the probe-tip member and configured to analyze electromagnetic characteristics of the conductive pattern.

Abstract: Provided are a direction control system and a method of a radar system or a vision system mounted in a vehicle. The direction control system of the radar and vision system for a vehicle according to an embodiment includes: an inertial sensor system and a handle steering angle sensor system which detect posture and movement information regarding a vehicle; a control unit which generates a control signal on the basis of the posture and movement information regarding the vehicle detected by the inertial sensor system and the handle steering angle sensor system; first and second driving units which are driven according to the control signal of the control unit; and a radar system and a vision system which are respectively connected to the first and second driving units.