Abstract: An object of the present disclosure may improve compression and restoration capabilities by compensating for or removing a change in picture quality that occurs when a transmitting device transmits a video including an OSD (On Screen Display) in a wireless display system.

Abstract: The present specification provides a method and a device, the method, performed by a device, for transmitting a first pulse train in a quantum communication system being characterized by: receiving a random access (RA) preamble from another device; transmitting an RA response (RAR) to the other device as a response to the RA preamble; performing a radio resource control (RRC) connection process with the other device; receiving data from the other device; and decoding the data on the basis of key information, wherein a first pulse train is generated in a laser diode of the device, and the key information is determined on the basis that the first pulse train passes through both a first path and a second path and is then transmitted from the device to the other device via a quantum channel.

Abstract: A device for collecting semiconductor light emitting diodes according to an embodiment of the present disclosure includes an electromagnet portion disposed in a fluid chamber into which semiconductor light emitting diodes including a magnetic material are put to form a magnetic field when power is applied, a power supply portion connected to the electromagnet portion and applying power to the electromagnet portion, and a driving portion moving the electromagnet portion in a width direction, in a longitudinal direction, and in a height direction of the fluid chamber, in which the electromagnet portion guides the semiconductor light emitting devices to a surface on which a magnetic field is formed when power is applied.

Abstract: A refrigerator includes a cool air passage for guiding the flow of cool air to a freezing compartment and a cool air passage for guiding the flow of cool air to an ice-making compartment that partially share the cool air. Through the sharing of cool air, the amount of cool air supplied to the freezing compartment is increased and sufficient cool air is supplied to the refrigerating compartment. Accordingly, sufficient cool air is supplied to the refrigerating compartment, the freezing compartment, and the ice-making compartment even with a single evaporator.

Abstract: A method by which a base station transmits a synchronization signal (SS) in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: generating an SS including a primary synchronization signal (PSS) and a secondary synchronization signal (SSS); and transmitting the synchronization signal. A portion of the synchronization signal is transmitted in a region of a time interval corresponding to the cyclic prefix (CP) of the synchronization signal, and the portion of the synchronization signal includes the PSS and/or the SSS.

Abstract: A laundry treating apparatus includes a drum for accommodating laundry therein. The drum may be directly coupled to a free end of a rotation shaft extending from a driver for providing power to rotate the drum.

Abstract: A Totem Pole PFC circuit includes at least one fast-switching leg, a slow-switching leg, and a control unit. Each fast-switching leg includes a fast-switching upper switch and a fast-switching lower switch. The slow-switching leg is coupled in parallel to the at least one fast-switching leg, and the slow-switching leg includes a slow-switching upper switch and a slow-switching lower switch. The control unit receives an AC voltage with a phase angle, and the control unit includes a current detection loop, a voltage detection loop, and a control loop. The control loop generates a second control signal assembly to respectively control the slow-switching upper switch and the slow-switching lower switch. The control loop controls the second control signal assembly to follow the phase angle, and dynamically adjusts a duty cycle of the second control signal assembly to turn on or turn off the slow-switching upper switch and the slow-switching lower switch.

Abstract: Proposed are a method and an apparatus for receiving a PPDU in a wireless LAN system. Specifically, a receiving STA receives a PPDU from a transmitting STA via broadband communication and decodes the PPDU. The PPDU is received on the basis of an OFDMA scheme. The PPDU includes a first signal field. The first signal field includes first information on a preamble puncturing pattern for each 80 MHz band in the broadband communication. The first information consists of a 4-bit bitmap for the 80 MHz band.

Abstract: Proposed are a method and device for receiving an EHT PPDU on the basis of a tone plan in a wireless LAN system. Specifically, a reception STA receives the EHT PPDU from a transmission STA through a 320 MHz band. The reception STA decodes the EHT PPDU. The EHT PPDU includes a control field and a data field. The control field includes information about a pilot tone. The information about the pilot tone includes allocation information indicating that a first pilot tone for the 320 MHz band is configured by repeating a second pilot tone for an 80 MHz band defined in an 802.11ax wireless LAN system. The first pilot tone is received in a data field on the basis of the allocation information.

Abstract: A light outputting device for scalp care according to an embodiment of the present invention comprises: a dome-shaped outer case forming the outer shape; an inner case formed inside the outer case; a plurality of laser light sources disposed in the space between the outer case and the inner case; photodiodes included in the plurality of laser light sources, respectively; and a processor which acquires a light amount sensing value of a first photodiode among the plurality of photodiodes, sets an amount of light for a first laser light source including the first photodiode on the basis of the acquired light amount sensing value, and drives the first laser light source on the basis of the set amount of the light.

Abstract: Proposed is a blender in which when the closure of a container lid of a container body is detected, a main body operates. In the blender, a transparent conductive member is disposed to electrically connect an upper end part of the container body with a lower end part of the container body such that the transparency of the container body is maintained, and when the closure of the container lid of the container body is detected, power is transmitted from a first induction coil of the main body to a second induction coil of the container body, and when receiving the change of the current of the first induction coil caused by a magnetic field of the second induction coil generated by the power transmitted to the second induction coil, the main body recognizes the closure of the container lid of the container body and operates.

Abstract: A method by which a video decoding device decodes a video, according to the present document, can comprise the steps of: parsing, from a bitstream, number information related to the number of slices of which the height within a tile of a current picture is explicitly signaled; parsing, from the bitstream, on the basis of the number information, height information related to the height of the slices of which the height is explicitly signaled; deriving the number of slices in the tile on the basis of the number information and the height information; generating prediction samples by predicting the current block of the current picture on the basis of the slices within the tile; generating reconstructed samples on the basis of the prediction samples; and generating a reconstructed picture for the current picture on the basis of the reconstructed samples.

Abstract: In a wireless local area network system, a transmitting station (STA) may receive a trigger frame including a user information list. The user information list comprises first and second user information fields, wherein the first user information field includes information related to a first resource unit (RU) for the transmitting STA, and the second user information field may include information related to the second RU for the transmitting STA. The transmitting STA may transmit first data through the first RU and transmit second data through the second RU.

Abstract: The present disclosure relates to a method and an apparatus for operating in a wireless communication system, the method comprising the operations of: receiving configuration information related to CSI prediction; and deriving predicted CSI for a second time point later than a first time point from CSI for the first time point, based on the configuration information, wherein based on the predicted CSI satisfying an event, actual CSI for the second time point, measured from a reference signal is transmitted, and wherein based on the predicted CSI not satisfying the event, CSI reporting for the second time point is dropped.

Abstract: A method and apparatus for frequency priority for cell reselection in a wireless communication system is provided. A wireless device may receive, from a network, a cell reselection configuration associated with a Non-Terrestrial Networks (NTN) cell. The wireless device may apply the first priority values for the multiple frequencies. The wireless device may determine that the location condition for a specific cell in a specific frequency, among the multiple frequencies, is met. The wireless device may apply a second priority value for the specific frequency.

Abstract: Disclosed is a laundry treating apparatus. The laundry treating apparatus according to an embodiment of the present invention comprises a cabinet, a drum rotatably provided inside the cabinet and accommodating clothes, and a control unit provided in the cabinet and performing a treatment course on the clothes accommodated in the drum, wherein the control unit executes a remote control mode in which the treatment course is carried out by receiving a command as an input through a user terminal, and the control unit performs a remote control maintaining mode in which the remote control mode is maintained while power is supplied, even after the treatment course is terminated in the remote control mode.

Abstract: The present invention is applicable to the technical field of display devices and relates to a display device which uses, for example, a light-emitting diode (LED). To achieve the aforementioned objective, the present invention comprises: a wiring board; a light-emitting element which is composed of individual pixels and arranged on the wiring board; an insulation layer which is located at least on a side surface of the light-emitting element; and a black-colored layer which is located on the insulation layer, wherein the black-colored layer may include a material formed by modifying the material constituting the insulation layer.