Abstract: A laser soldering system using dynamic light spot and a method thereof are provided. A laser module is controlled to radiate toward multi-lens to form a light spot on a soldering target for soldering, and a lens distance between the multi-lens is adjusted to adjust a light spot size. The disclosure may provide multiple heating densities respectively adequate to different soldering status via adjusting the light spot size when using same laser power, so as to improve the soldering quality.

Abstract: An image decoding method according to the present document can comprise the steps of: receiving flag information indicating whether a matrix-based intra prediction (MIP) is used with respect to a current block; receiving matrix-based intra prediction (MIP) mode information on the basis of the flag information; generating an intra prediction sample for the current block on the basis of the MIP mode information; and generating restoration samples for the current block on the basis of the intra prediction samples.

Abstract: A video decoding method by a video decoding apparatus includes: parsing, from a picture parameter set of a bitstream, a first flag related to whether a weighted prediction is applied to slices referring to the picture parameter set; parsing, from the picture parameter set, a second flag related to whether information about the weighted prediction is present in a picture header of the bitstream or is present in a slice header of the bitstream based on the first flag; parsing a prediction weighted table syntax from the picture header or the slice header based on the first flag and the second flag; generating prediction samples for the current block by performing weighted prediction for the current block in a current picture based on syntax elements in the prediction weighted table syntax; and generating reconstructed samples based on the prediction samples.

Abstract: An electric connector assembly includes a socket and a plug. The socket has a first casing, a base and a first pin assembly. The first pin assembly has a plurality of ground terminals and signal terminals. Each ground terminal has a specific height, and has a first coupling portion disposed on a first end. The plug has a second casing, a receiving base and a second pin assembly. The second pin assembly has a plurality of connecting terminals. Each connecting terminal has a second coupling portion disposed on a second end. When the plug is coupling with the socket, the connecting terminals of the plug respectively clamp the ground terminals and the signal terminals of the socket, and the second coupling portions of the connecting terminals are respectively engaged with the first coupling portions of the ground terminals to increase contact areas.

Abstract: A mobile terminal comprises: a body which comprises a first frame, and a second frame which is coupled so as to be movable in a first direction with respect to the first frame; a roller which is rotatably coupled to the second frame; a flexible display unit which has an image outputted on one surface thereof and comprises a front surface part positioned on the front surface of the body by wrapping around the roller, and a rear surface part positioned in the rear surface direction of the body; a support frame which is coupled to the other surface of the flexible display unit and comprises a flexible rack gear formed on the other surface thereof; and an auxiliary drive unit which comprises a pinion gear rotating by engaging with the flexible rack gear, wherein the auxiliary drive unit transfers force to the flexible rack gear in the direction in which the area of the rear surface part increases.

Abstract: According to the present disclosure, a method for controlling a refrigerator includes operating a cooling device at a previously-determined output for cooling a storage space; measuring, by a temperature sensor, a temperature of the storage space in unit times; determining a representative temperature of the storage space based on the temperature measured by the temperature sensor, and determining whether the determined representative temperature of the storage space falls within a convergence temperature range, when an output change time is reached after the output of the cooling device is previously determined; maintaining the output of the cooling device or determining the output of the cooling device according to one of a plurality of methods including a first method and a second method when the representative temperature of the storage space falls within the convergence temperature range, and determining the output of the cooling device according to the second method when the representative temperature o

Abstract: The present disclosure relates to an in-vehicle service providing apparatus, the apparatus including a module unit including service modules configured to provide services, a rail part including a rail stretched into a cabin of a vehicle, a moving part onto which one of the service modules is seated and fixed, and which is configured to move along the rail; and a processor configured to: identify a request for a service that may be provided through one of the service modules, detect a first service module corresponding to the identified service request, and determine a service providing position and control the module unit to seat the first service module onto the moving part, and control the moving part onto which the first service module is seated to move to the determined service providing position.

Abstract: A method and a device for transmitting/receiving a signal in a wireless communication system, according to one embodiment of the present invention, perform a two-step or four-step random access procedure, and monitor a PDCCH according to a DRX configuration, wherein the PRACH transmitted in the random access procedure is transmitted on a specific RO from among a plurality of ROs, and a starting RB index of the specific RO can be determined on the basis of (i) the lowest RB index of an RB set including the specific RO, (ii) the starting RB index of an RO positioned at the lowest frequency, and (iii) the lowest RB index of an RB set including the RO positioned at the lowest frequency.

Abstract: Proposed is a method for performing wireless communication by a first device. The method may comprise the steps of: receiving a physical sidelink control channel (PSCCH) from a second device; receiving a physical sidelink shared channel (PSSCH) related to the PSCCH from the second device, wherein sidelink control information (SCI) is received via the PSCCH or the PSSCH related to the PSCCH, and the SCI includes information indicating whether the PSSCH corresponds to last PSSCH transmission: determining a PSFCH resource on the basis of a slot index and a sub-channel index which are related to the PSSCH: transmitting SL HARQ ACK information to the second device via the PSFCH resource; and entering a sleep state on the basis that the SCI includes information indicating that the PSSCH corresponds to the last PSSCH transmission, and the first device transmits the SL HARQ ACK information via the PSFCH resource.

Abstract: An air conditioner is provided that includes a dust collecting filter assembly that collects foreign substances from air suctioned in through an inlet. The dust collecting filter assembly includes a high-voltage electrode film, a ground electrode film disposed parallel to face the high-voltage electrode film, a separator film disposed between the high-voltage electrode film and the ground electrode film so that the high-voltage electrode film and the ground electrode film are spaced apart by a predetermined interval, and a fastener that fastens the high-voltage electrode film, the ground electrode film, and the separator film together to integrate them.

Abstract: A home appliance includes a cabinet having a space and a door configured to open and close the space. The door includes a lighting device including a light source and a base on which the light source is installed, and a front plate defining a front appearance of the door, in which light irradiated from the light source passes through the front plate. When the light source is turned on, the light source irradiates light with a second color, and when light with the second color passes through the front plate, the front plate glows with a first color different from the second color.

Abstract: A shoe management device may have a housing having a body to define an inner space and a cover to open or close the body to allow access to the inner space. Agitators may be provided at a bottom of the body, which may be configured to hold shoes, and the agitators may remove foreign matter from the shoes. An upper portion of the body may have an air generator configured to blow air toward the shoes to remove foreign matter. In addition, moisture and germs inside the shoe may be removed by hot air, ultraviolet light, and plasma ions provided by a care assembly provided inside of the body and configured to be at least partially inserted into the shoes.

Abstract: A refrigerator includes a first heater, a second heater, and a third heater, and the third heater is located inside a frost detection flow path and generates heat. Accordingly, during a defrosting operation, the inside of the frost detection flow path may be prevented from being blocked. Or freezing of the frost check sensor provided in the frost detection flow path may be prevented.

Abstract: An image decoding method according to the present document may be characterized by including the steps of: determining whether to parse an MTS index for applying MTS to the current block; and applying the MTS to the current block on the basis of the MTS index to derive residual samples for the current block, wherein whether to parse the MTS index is determined on the basis of a flag value indicating whether a transform coefficient for a luma component of the current block is present, and the MTS index is not parsed when the flag value is 0.

Abstract: Disclosed are a method and device for a first terminal to transmit a positioning reference signal (PRS) through a physical sidelink feedback channel (PSFCH) in a wireless communication system supporting sidelink communication according to various embodiments.

Abstract: A ceiling fan includes an outer shield, a middle ring, a blade bracket, and a fan blade. The middle ring is pivotally connected to the outer shield and rotates relative to the outer shield. The blade bracket protrudes from the middle ring and has two guiding surfaces located on opposite sides of the blade bracket. The fan blade is combined with the middle ring by the blade bracket. The fan blade has an opening on an end close to the blade bracket. The fan blade further includes a housing, one or more supporting ribs, and two guiding limiting parts.

Abstract: Provided are a method for transmitting and receiving data in a short-range wireless communication system, and a device therefor. More specifically, the method comprises the steps of: forming an isochronous channel with a second device for transmitting the data; and transmitting the data to the second device over the isochronous channel, wherein the data is human interface device (HID) data, the data is human interface device (HID) data, and the channel for transmitting the data is determined on the basis of data characteristics including reliability and urgency.

Abstract: According to embodiments described herein, sub-pictures and/or virtual boundaries can be used for coding an image. For example, sub-pictures in the current picture can be used for predicting, reconstructing, and/or filtering the current picture. Virtual boundaries can be used for filtering reconstructed samples of the current picture. Through image coding based on the subpictures and/or virtual boundaries according to embodiments described herein, the subjective/objective quality of an image can be improved, and the consumption of hardware resources necessary for the coding can be reduced.