Abstract: A humidification and air cleaning apparatus is provided, in which a wave having a predetermined cycle is formed on a plurality of blades of a blower fan, such that operating noise caused by a flow of discharged air may be minimized, and a wave is formed at a trailing edge, such that a phase difference may be formed for air to be separated, and air flow noise of the discharged air may be reduced.

Abstract: Disclosed are a method for transmitting and receiving an uplink demodulation reference signal (DMRS) in a wireless communication system, and an apparatus therefore. Particularly, a method by which a terminal transmits a DMRS in a wireless communication system comprises the steps of: receiving, from a base station, downlink control information (DCI) for physical uplink shared channel (PUSCH) scheduling; generating a DMRS sequence for the PUSCH; and mapping the DMRS sequence to a physical resource, wherein the DMRS sequence can be mapped with the spacing of a predetermined resource element (RE) within the symbol to which the DMRS sequence is mapped.

Abstract: Disclosed is a method for controlling a spin-drying cycle of a laundry treatment machine. The method includes performing a plurality of spin-drying operations by rotating a drum above an adjusted rotational speed range configured to adjust disposition of balls within a ball balancer so as to correspond to a changed amount of eccentricity, and adjusting the disposition of the balls within the ball balancer by rotating the drum within the adjusted rotational speed range, between the respective spin-drying operations.

Abstract: A washing machine includes: a tub; a drum of metal material configured to be rotated in the tub; an induction heater configured to be fixed to the tub in a state of being separated from the drum, and to heat the drum; a first temperature sensor configured to have a tube of metal material heated by the induction heater and a thermistor disposed in the tube, at least a part of the tube being exposed between the tub and the drum; a second temperature sensor configured to be disposed in a position further away than the first temperature sensor from the induction heater in a circumferential direction, and detect a temperature of air between the tub and the drum; and a controller configured to control the induction heater based on a first detection value of the first temperature sensor and a second detection value of the second temperature sensor.

Abstract: The present disclosure relates to a gas engine power generation system, having an engine configured to generate mechanical energy by burning an air-fuel mixture supplied from a mixer, which mixes air filtered by passing through an air cleaner, and fuel of a predetermined pressure which has passed through a zero governor, in which the gas engine power generation system converts the mechanical energy of the engine into electrical energy.

Abstract: Disclosed is a method for transmitting a primary synchronization signal (PSS) by a base station in a wireless communication system. In particular, the method may comprise the steps of: dividing one symbol into multiple periods; generating multiple sequences for the PSS, the number of which is identical to the number of the multiple periods; and mapping the multiple sequences to the one symbol divided into the multiple periods, and transmitting the multiple sequences.

Abstract: The present disclosure discloses a clothing course control system including a clothing treating course controller according to a clothing material and a server. The clothing treating course controller includes a hanger, a motor configured to vibrate the hanger, a motor current sensor configured to sense a motor current pattern, a clothing material classifier configured to classify a clothing material based on the motor current pattern, and a course controller configured to execute a clothing treating course according to the classified clothing material, the server includes an artificial intelligence model learner configured to generate a clothing material classifying engine trained with data related to the received motor current pattern through an artificial neural network. According to the present disclosure, a clothing treating course of a clothing treating device may be controlled using an artificial intelligence (AI) based clothing material classifying technique and a 5G network.

Abstract: A gas furnace includes a mixing pipe through which a mixture formed by mixing fuel gas and air flows; a burner assembly that generates combustion gas by burning the mixture that passed through the mixing pipe; and a heat exchanger through which the combustion gas flows. In this case, the burner assembly includes a burner in which flame generated when the mixture is burned is seated; and a mixing chamber that mediates delivery of the mixture from the mixing pipe to the burner, thereby significantly reducing NOx emission.

Abstract: A voice interaction method and a vehicle using the same are disclosed. A voice interaction method according to an embodiment of the present invention activates a personal terminal through which a voice signal of an occupant is received as a voice interaction assisting device between the vehicle and the occupant and changes presence or absence of a voice interaction between the vehicle and the occupant and voice interaction settings according to states of the vehicle and the occupant.

Abstract: A serving system using a robot may include a caller mounted on each of a plurality of tables, and a robot driving to a target table among the plurality of tables based on information received from the caller, and the robot may store information on the location of each of the plurality of callers, the size and shape of each of the plurality of tables, the location of the caller mounted on the table, and the rotational angle with respect to a baseline of the caller, and the caller may transmit to the robot information on the distance from the caller to the robot and the direction of the robot with respect to the caller during driving of the robot.

Abstract: A refrigerator includes a cabinet and a door. The cabinet includes an inner case provided with a storage compartment and a middle plate covering an upper surface of the inner case. The door is disposed on a front portion of the cabinet to open and close the storage compartment, and the cabinet further includes a cabinet cover which is attachably and detachably coupled to an upper side of the middle plate to cover an upper surface of the cabinet.

Abstract: A rotary compressor may include a rotary shaft; a plurality of plates that supports the rotary shaft; a cylinder provided between the plurality of plates to define a compression space, and provided with a vane slot; a roller slidably coupled to the rotary shaft inside of the cylinder, and having a hinge groove on an outer circumferential surface thereof; and a vane, a first end which is slidably coupled to the vane slot of the cylinder, and a second end of which is rotatably coupled to the hinge groove of the roller. At least one of axial end surfaces of the roller facing the plurality of plates is provided with a wear avoiding portion having a predetermined depth. Contact surfaces between the roller and the plate may be suppressed from being in close contact with each other to suppress the roller or the plate from being damaged or a performance of the compressor due to friction loss from being deteriorated, thereby improving reliability and performance of the compressor.

Abstract: A nozzle for a cleaner has a nozzle housing, which has a nozzle base and a drain hole for discharging water from the nozzle housing. The nozzle also has a rotary cleaning unit disposed below the nozzle housing. The rotary cleaning unit has a rotation plate that can be attached to a mop. The nozzle has a driving unit that includes a driving motor for driving the rotary cleaning unit. The nozzle also has a control board for controlling the drive motor. In addition, the nozzle has a water tank detachably mounted on an upper side of the nozzle housing. The water tank stores water and supplies the water to the rotary cleaning unit.

Abstract: Disclosed is a fabric identifying system including a fabric identifying apparatus for identifying the type of a fabric of clothing and a server. The fabric identifying apparatus includes an image camera for obtaining image information on a fabric structure of clothing, a fabric identifier for performing a function of identifying the type of the fabric based on the fabric structure of the image information. The server includes an artificial intelligence model learner for generating a fabric type identifying engine for learning the fabric structure of the image information of the received clothing through a deep neural network, the server is configured to transmit the learned fabric type identifying engine to the fabric identifying apparatus. According to the present disclosure, it is possible to identify the type of the fabric of the clothing by using the artificial intelligence (AI), the artificial intelligence based screen recognition technology, and the 5G network.

Abstract: A motor according to an embodiment of the present invention includes a rotary shaft; a rotor mounted on the rotary shaft; a stator surrounding an outer periphery of the rotor; an impeller mounted on the rotary shaft to be spaced apart from the rotor; a bearing housing positioned between the impeller and the rotor and formed with a through-hole through which the rotary shaft passes; and a gas bearing disposed in the bearing housing, wherein a thickness of the gas bearing is equal to or greater than 50% of a gap between an inner surface of the bearing housing and an outer peripheral surface of the rotary shaft and is equal to or less than 0.3 mm.

Abstract: The present specification provides a method for transmitting a transport block (TB) by using downlink control information (DCI) in a wireless communication system. In particular, the method, performed by a terminal, comprises: receiving first DCI from a base station; selecting a modulation and coding scheme (MCS) table, on the basis of the first DCI; calculating a first transport block size (TBS), on the basis of at least one of a format of the first DCI and the selected MCS table; and transmitting, to the base station, a first TB according to the calculated first TBS, wherein the first TBS is the same as a second TBS of a second TB transmitted before the transmission of the first TB.