Abstract: A knee joint rehabilitation apparatus for a wheelchair includes a rehabilitation apparatus frame having a height corresponding to a length of each of legs of a patient sitting on the wheelchair; an upper leg support disposed at an upper end of the rehabilitation apparatus frame and supporting upper legs of the patient thereon while the patient is sitting on the wheelchair; a lower leg support pivotably connected to the upper leg support, wherein the lower legs of the patient are seated and supported on the lower leg support; and an exercise control unit disposed on the rehabilitation apparatus frame and configured to allow the lower leg support to pivot around a connection portion between the lower leg support and the upper leg support such that the patient performs rehabilitation exercise of the knee joint thereof while sitting on the wheelchair.

Abstract: A battery module includes a battery cell stack constituted by a plurality of stacked pouch-shaped battery cells, a battery module housing configured to receive the battery cell stack, and a heat dissipation member coupled to a portion of the battery module housing, wherein the heat dissipation member has a through-hole formed in a heat dissipation plate disposed so as to face the battery cell stack and a sealing member is added to the through-hole, and a method of manufacturing the heat dissipation member. It is possible to effectively prevent thermal runaway of a battery cell that has caught fire while minimizing an increase in volume of the battery module.

Abstract: A button-type secondary battery includes a lower can having a bottom surface; an upper can having a top, the upper can and the lower can being coupled to define a space therein; an electrolyte in the space; an electrode assembly in the space and including a negative electrode, a separator, and a positive electrode wound together; a gasket between the upper can and the lower can to electrically insulate the upper and lower cans; a top insulator that is electrically insulating and covering a top surface of the electrode assembly; and a bottom insulator that is electrically insulating and covering a bottom surface of the electrode assembly. The top and bottom insulators are each configured to expand in volume by absorbing the electrolyte. Surfaces of at least one of the top insulator and the bottom insulator are coated with a protective layer to prevent thermal shrinkage from occurring.

Abstract: The present disclosure relates to a transmission of an agricultural work vehicle, the transmission comprising: a pre-shift part for performing speed shifting on driving transmitted from an engine of an agricultural work vehicle; a clutch part connected to the pre-shift part so as to selectively output driving transmitted from the pre-shift part; an adjusting part connected to the clutch part so as to perform speed shifting on driving transmitted from the clutch part; and a subsequent shift part connected to the adjusting part so as to perform speed shifting on driving transmitted from the adjusting part.

Abstract: The present application relates to a method of generating a downlink frame. The method of generating the downlink frame includes: generating a first short sequence and a second short sequence indicating cell group information; generating a first scrambling sequence and a second scrambling sequence determined by the primary synchronization signal; generating a third scrambling sequence determined by the first short sequence and a fourth scrambling sequence determined by the second short sequence; scrambling the short sequences with the respective scrambling sequences; and mapping the secondary synchronization signal that includes the first short sequence scrambled with the first scrambling sequence, the second short sequence scrambled with the second scrambling sequence and the third scrambling sequence, the second short sequence scrambled with the first scrambling sequence and the first short sequence scrambled by the second scrambling sequence and the fourth scrambling sequence to a frequency domain.

Abstract: Disclosed is a technique for switching from a master node to a secondary node in a communication system. A method of a first communication node may comprise: adding the first communication node as a primary secondary cell (PSCell) to a second communication node through dual connectivity (DC); generating a first user plane path for smart dynamic switching (SDS) and a first instance for supporting the first user plane path according to a request from the second communication node; transmitting information on the first user plane path and the first instance to a terminal; receiving user data based on the first user plane path from the terminal as the first instance; and transmitting the user data to a core network using the first user plane path.

Abstract: A button type secondary battery includes a wound electrode assembly; a lower can with the electrode assembly and an electrolyte in the lower can; a top plate to close the lower can; a positive electrode terminal coupled to the top plate through a gasket to be electrically insulated from the top plate with a portion of the positive electrode terminal passing through a hole in the top plate to be bonded to a positive electrode tab; a top insulator covering a top surface of the electrode assembly; and a bottom insulator covering a bottom surface of the electrode assembly. The top insulator and the bottom insulator are each configured to expand in volume by absorbing the electrolyte. Surfaces of at least one or more of the top insulator and the bottom insulator are coated with a protective layer configured to prevent thermal shrinkage from occurring.

Abstract: There is provided a ferritic lightweight steel which contains 2.0 to 3.0 wt % manganese (Mn), 5.0 to 6.0 wt % aluminum (Al) and 0.1 to 0.3 wt % carbon (C) and has a tensile strength of 900 MPa to 1,108 MPa. The lightweight steel includes ferrite-austenite dual grains as a result of performing low-temperature tempering-induced partitioning (LTP) at 300° C. for 10 minutes after isothermal annealing.

Abstract: A software package, a gateway for transmitting the same, and a software update method using the same are provided. A software package includes a binary file, a configuration file, and a hash file. The binary file includes read-only memory (ROM) data of a target controller. A management server generates the configuration file by combining a hash value obtained by hashing the binary file with meta information indicating an update procedure between a gateway and the target controller. The management server generates the hash file by hashing the configuration file. The gateway receives the software package and extract the binary file and the configuration file. The gateway transmits the binary file to the target controller according to the update procedure indicated by the meta information.

Abstract: A pixel includes: a light emitting element; a first transistor including a gate electrode electrically connected to a first node, a second node to which a first power voltage for driving the light emitting element is to be applied, and a third node electrically connected to the light emitting element; and a bias control transistor configured to be controlled in operating timing thereof by a bias control signal, and configured to switch electrical connection between the second node and a bias power line for transmitting a bias voltage. In one frame period, a voltage level of the bias voltage to be applied to the second node sequentially increases.

Abstract: Disclosed is an exoskeleton-type rehabilitation robot system, including: a body part provided on a chair in which a user sits and provided with a robot arm capable of moving left or right based on the user seated on the chair; a conversion part configured to convert a position of the robot arm with respect to the body part; a driving part configured to articulate the robot arm with respect to the body part; and a controller configured to detect a change in a position of the robot arm and control a left or right driving mode of the driving part according to the position of the robot arm. In accordance with such a configuration, the exoskeleton-type rehabilitation robot system of the present invention is provided integrally with a chair, thereby having excellent space utilization. In addition, the user's initial preparation for rehabilitation training is simple, which can improve efficiency.

Abstract: The present invention relates to a catalyst for hydrogenation of an aromatic compound, which is capable of greatly reducing the inactivation of a catalyst by using a support including a magnesium-based spinel structure, and a preparation method therefor.

Abstract: A vehicular software update system for remotely performing a software update of a vehicle and a method thereof are provided. The vehicular software update system includes a management controller installed in a vehicle and a server that performs a remote software update in cooperation with the management controller. The management controller controls the vehicle to start in response to receiving a request for the remote software update from the server, downloads software for update from the server after controlling the vehicle to start, transmits the downloaded software for update to a performance controller in the background, determines whether the transmission of the software for update in the background is completed based on the vehicle being turned off, and performs a software update of the performance controller using the software for update based on the transmission of the software for update in the background being completed.

Abstract: Provided is a ceiling storage system capable of correcting a working position and constantly checking stability of a structure by detecting an amount of change in a facility. According to the ceiling storage system, a transport vehicle moves to an upper portion of a first storage area of a plurality of storage areas in a state of gripping an article, and the transport vehicle measures a first distance value between the transport vehicle and the first storage area using a distance sensor and measures a relative position value between the transport vehicle and the first storage area using a vision sensor, before unloading the article from the first storage area.

Abstract: A vehicular software update system includes a management controller coupled to a vehicle and at least one performance controller that receives software for over-the-air (OTA) update in the background from the management controller. The management controller determines a network load of the vehicle and adjusts a transmission speed of the software for OTA update, the software being transmitted to the at least one performance controller, based on a driving state of the vehicle and the network load of the vehicle.

Abstract: A variable displacement swash plate type compressor control method and a variable displacement swash plate type compressor controlled thereby may include a first determination step of determining whether liquid refrigerant exists within the variable displacement swash plate type compressor; a first operation step of applying power to the field coil assembly and of not applying current to the electronic control valve, when it is determined in the first determination step S1 that the liquid refrigerant exists; a second determination step of comparing an elapsed period of time of operating in the first operation step with a predetermined reference time; and a second operation step of maintaining the power applied in the first operation step to the field coil assembly and applying current to the electronic control valve when the elapsed period of time is greater than or equal to the reference time.

Abstract: In a wireless communication card and a manufacturing method thereof according to an embodiment of the present invention, the method comprises the steps of: processing an antenna inlay layer including an antenna coil; stacking a first overlay layer that covers a top surface of the antenna inlay layer; processing a PVC insert inserted in a chip-on-board (COB) accommodation space, which is formed by milling a specific area of the first overlay layer, and provided with an accommodation groove in which a lower portion of a pad of the COB is supported; passing both ends of the antenna coil drawn out from the antenna inlay layer through the PVC insert, and connecting the antenna coil to contact areas of the COB; and mounting the COB in the PVC insert inserted in the COB accommodation space.

Abstract: Disclosed is a lower cross member of a vehicle. The lower cross member includes a core member configured to be disposed on a vehicle floor so as to extend in a width direction of the vehicle, to be formed of a composite material including unidirectional carbon fiber or bidirectional carbon fiber, and to have a cross-section including at least one closed curve, a lower layer configured to extend in an extending direction of the core member, to be disposed between the core member and the vehicle floor, and to be formed of a composite material including a first multi-axial glass fabric, and an upper layer configured to extend in the extending direction of the core member, to be disposed on an upper surface of the core member, and to be formed of a composite material including a second multi-axial glass fabric.

Abstract: A photoresist composition, a method of forming a pattern, and a method of synthesizing 6-nitrochrysene, the photoresist composition includes a polymer resin; a photo acid generator; a quencher; an organic solvent; and an etching resistance enhancer, wherein the etching resistance enhancer is represented by the following Chemical Formula 1,

Abstract: In a wireless communication card and a manufacturing method thereof according to an embodiment of the present invention, the method comprises the steps of: processing an antenna inlay layer including an antenna coil; stacking a first overlay layer that covers a top surface of the antenna inlay layer; processing a PVC insert inserted in a chip-on-board (COB) accommodation space, which is formed by milling a specific area of the first overlay layer, and provided with an accommodation groove in which a lower portion of a pad of the COB is supported; passing both ends of the antenna coil drawn out from the antenna inlay layer through the PVC insert, and connecting the antenna coil to contact areas of the COB; and mounting the COB in the PVC insert inserted in the COB accommodation space.