Abstract: Disclosed herein are a method and apparatus for a video streaming of an extended reality device. According to an embodiment, the method for the video streaming may include a receiving situation information including user location information and pose information at a current point in time from the extended reality device, predicting changes in user location information and pose information at a preset next point in time using pre-learned artificial intelligence receiving, as input, situation information at the current point in time and situation information at a preset previous point in time, rendering an image texture of a video based on the predicted changes in user location information and pose information at the next point in time and transmitting image data with the image texture rendered at the next point in time to the extended reality device, wherein the situation information at the current point in time and the situation information at the present previous point in time configure consecutive frames.

Abstract: There is provided a finger detection device including a light source, a light sensor and a processor. The light sensor respectively captures a first image frame and a second image frame corresponding to turning on and turning off the light source. The processor calculates a differential image frame of the first image frame and the second image frame, determines a covered region in the differential image frame and identifies whether the covered region is a finger region or not. If the covered region is not the finger region, the processor controls the light sensor to acquire new image frames. If the covered region is the finger region, the processor determines different windows of interest in the finger region.

Abstract: A ball bearing includes an outer race; an inner race including having a through hole, a first end, and an outer surface; a plurality of balls rotatably disposed between the inner race and the outer race; a washer including an inner surface attached to the outer surface of the inner race; and a welding bead formed at a joining portion of the inner surface of the washer and the first end of the inner race to secure the washer to the inner race. A number of embodiments are provided.

Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a positive electrode active material including an overlithiated lithium manganese-based oxide, which is capable of preventing the electrochemical properties of a lithium secondary battery, including rate characteristics, from being degraded due to an excess of lithium and manganese in the lithium manganese-based oxide, and particularly preventing the lifetime degradation of a lithium secondary battery by inhibiting or mitigating the elution of a transition metal from the lithium manganese-based oxide, and a lithium secondary battery including the same.

Abstract: An apparatus for managing a situation of an electric vehicle battery is disclosed. The apparatus for managing a situation of an electric vehicle battery includes a battery management module configured to monitor a state of the battery mounted in a vehicle, a communication module configured to transmit or receive information about the situation of the battery to or from a surrounding, a warning module configured to warn of the situation of the battery, and a processor operatively coupled to the battery management module, the communication module, and the warning module, wherein the processor determines the situation based on state information of the battery received from the battery management module, and outputs the information about the situation through at least one of the warning module or the communication module.

Abstract: Image sensing devices are disclosed. In an embodiment, an image sensing device may include: a lower layer including a substrate and a plurality of photodetectors such as photodiodes; an upper layer disposed over the lower layer; a first meta-lens layer disposed over the upper layer and configured to focus incident light; and a second meta-lens layer disposed below the lower layer and configured to scatter or reflect the incident light toward the photodetector.

Abstract: An external light influence solution system includes a mobile robot and a control system for controlling an operation of the mobile robot including a light-emitting part for emitting light for sensing; a light-receiving part which includes at least one camera and receives the light emitted from the light-emitting part; a filter part which is positioned on the front surface of the light-receiving part to be spaced a predetermined interval apart from the light-receiving part so as to block external light having a specific wavelength, which is oriented toward the light-receiving part; and a control part for measuring a distance from an obstacle on the basis of the light received by the light-receiving part, and when the filter part is positioned on the front surface of the light-receiving part, the control part adjusts the brightness of a lens of the camera in order to receive the light.

Abstract: Disclosed is a bolting torque determination method which includes a preparation process of preparing samples of an object and samples of a bolt, a sample fracture torque acquisition process of measuring and acquiring a sample fracture torque, an effective fastening torque zone determination process of determining an effective fastening torque zone, in which fastening is performed without fracture, a bolt fastening angle measurement process of performing test fastening on the samples according to each of the plurality of selected experimental torques and measuring bolt fastening angles, and a bolting torque determination process of determining a bolting torque, whereby a rotation angle of each of the sample bolts is measured from a predetermined reference point of time to a point of time when the test fastening is finished.

Abstract: A memory device may include a read controller and an error correction circuit. The read controller may sequentially perform a plurality of read retry operations on a memory device. The error correction circuit may perform a plurality of first error correction decodings on read data respectively acquired from the plurality of read retry operations, store a plurality of Unsatisfied Syndrome Check (USC) values respectively produced by the plurality of first error correction decodings, and perform a second error correction decoding based on read data corresponding to a minimum USC value among the plurality of USC values.

Abstract: A folding type cargo compartment cover unit having a sealing structure includes: a plurality of slats successively arranged on top of a vehicular cargo compartment along one direction of a vehicle; connectors, each being arranged between the adjacent slats; shafts, each hinge-connecting one of the adjacent slats and the connector to each other by passing through the one of the adjacent slats and through the connector; and weather strips, each being formed of flexible material and being provided on at least one of the slat or the connector, thereby sealing a gap between the slat and the connector.

Abstract: Disclosed herein is a method for performing a robot skill based on skill uncertainty using a large language model. The method includes generating a subtask list using a large language model by receiving a target task and environment information, mapping a subtask in the subtask list into a skill embedding space through an abstract skill policy network, and performing the subtask by decoding the mapped subtask through a manipulation skill policy network.

Abstract: A foldable loading box cover assembly for a vehicle includes a cover unit including a plurality of slats. The slats are foldable to cover an upper portion of a loading box of the vehicle. The assembly also includes a rail unit disposed in a unfolding direction of the cover unit at the upper portion of the loading box and configured to pop up for guiding an upper end portion and a lower end portion of the plurality of slats to slide. The foldable loading box cover assembly prevents the rail unit from being exposed to an upper portion of the loading box when the upper portion of the loading box is closed.

Abstract: A foldable loading box cover assembly for a vehicle has an articulated rail and includes a cover unit. The cover unit includes a plurality of slats where each slat has an upper end and a lower end alternately connected to adjacent slats when folded. The cover unit is folded or unfolded to uncover or cover a loading box of a vehicle. The cover assembly includes a main rail installed at an upper end of the loading box, disposed in a reward direction of the vehicle, and configured to guide the lower ends of the plurality of slats. The cover assembly includes an articulated rail installed on the main rail and configured to guide the upper ends of the plurality of slats. When the cover unit is folded, the articulated rail is separated from the main rail to guide the upper ends of the plurality of slats.

Abstract: A memory device includes a memory cell array and a peripheral circuit. The memory cell array includes a plurality of memory regions each identified by a row address and a column address. The peripheral circuit accesses the memory cell array by performing, based on an address, a burst length and a burst address gap provided from a memory controller, a burst operation supporting a variable burst address gap. The burst address gap is a numerical difference between adjacent column addresses, on which the burst operation is to be performed.

Abstract: Disclosed is an injection bracket device applied to a roof opening for a vehicle, the injection bracket device including an opening bracket mounted to an opening formed in a headlining of the vehicle, and a mounting guide provided along the edge of the opening bracket, wherein the mounting guide forms a seating area when being coupled to the opening bracket.

Abstract: An apparatus for generating a roll map of a merge-wound electrode includes a position measurement device configured to acquire coordinate value data for a longitudinal position of a merged-wound electrode, an input device configured to input an input signal indicating a start of merge-winding or an end of merge-winding, a seam detector configured to detect a seam and acquire electrode coordinate values of the seam, and a reference point detector configured to detect reference points of the merge-wound electrode and acquire electrode coordinate values of the reference points. A roll map for simulating the merge-wound electrode is generated based on the input signal of the input device, the electrode coordinate values of the seam, and the electrode coordinate values of the reference points of the merge-wound electrode.

Abstract: The present disclosure relates to an apparatus for deactivating a battery module, a battery pack including the same, and a method of deactivating the battery module. The apparatus can selectively deactivate a battery module, a battery pack includes the apparatus, and a method of deactivating the module using such an apparatus. The apparatus for deactivating a module includes a relay connected to a first electrode terminal and a second electrode terminal of a battery module, a fuse circuit connected to the first electrode terminal and a first electrode of a battery cell array, and a processor configured to control the fuse circuit when a preset condition is satisfied to block a current path between the first electrode terminal and the first electrode and short the relay.

Abstract: Disclosed herein are a method and apparatus for point cloud video streaming. According to an embodiment, the method for point cloud video streaming may include receiving pose information from a user terminal changing the pose of a virtual camera in a virtual space where a point cloud video is played, by applying the pose information to the virtual camera, rendering an image texture of the point cloud video corresponding to a viewpoint of the virtual camera with the changed pose and transmitting video data with the rendered image texture to the user terminal.

Abstract: An electrode includes a current collector and an electrode active material layer located on at least one side of the current collector. The electrode active material layer includes a sulfur-carbon composite and a binder, and the sulfur-carbon composite includes a porous carbon material and a sulfur-based material. The current collector includes aluminum (Al), and has a thickness of about 9 ?m or less.

Abstract: A master-slave flip flop includes a master latch and a slave latch which are sequentially disposed on a substrate in a first direction. The master latch includes a first NMOS transistor and a first PMOS transistor each gated by a first clock signal. The first NMOS transistor and the first PMOS transistor share a first gate line extending in a second direction intersecting with the first direction. The slave latch includes a second NMOS transistor and a second PMOS transistor each gated by the first clock signal. The second NMOS transistor and the second NMOS transistor share a second gate line extending in the second direction. The first gate line and the second gate line are electrically connected to each other.