Abstract: A method of controlling a Bluetooth connection on a Bluetooth host device, the method including detecting a Bluetooth connection event; identifying a connection mode supported by a connection target device, between a first connection mode and a second connection mode; when the connection target device supports both the first connection mode and the second connection mode, registering first connection information corresponding to the first connection mode and second connection information corresponding to the second connection mode; when the connection target device supports the second connection mode registering the second connection information corresponding to the second connection mode; and identifying a current mode indicating a current Bluetooth connection mode, selecting one connection mode from the first connection mode or the second connection mode considering the current mode and the connection mode supported by the connection target device, and establishing a connection with the connection target de

Abstract: A magnetic memory device may include a spin current channel layer, a wiring crossing the spin current channel layer, and an MTJ layer at an intersection of the spin current channel layer and the wiring. The spin current channel layer may include an MgO-based layer and a beta (?)-phase tungsten (W) layer on the MgO-based layer. The beta (?)-phase tungsten (W) layer may be in contact with the MTJ layer.

Abstract: An operation method of a terminal includes receiving a synchronization signal from a first satellite in a first satellite group that includes first satellites, the first satellite group supporting plural radio access technologies (RATs), performing a higher layer signaling procedure with the first satellite, based on the synchronization signal, transmitting, based on the higher layer signaling procedure, to the first satellite, first channel status information regarding a second satellite group including second satellites from among the first satellites, the second satellite group supporting a RAT supported by the terminal, and performing wireless communication with a satellite in the second satellite group that is configured as a primary satellite, based on the first channel status information.

Abstract: A semiconductor memory device includes a stack structure on a substrate, extending in a first direction, and including gate electrode layers and insulating layers stacked alternately with each other, a vertical structure including a vertical channel film extending in a second direction crossing the first direction and a channel insulating film disposed on the vertical channel film and having first areas adjacent to the insulating layers and second areas adjacent to the gate electrode layers, and a high-k film on the channel insulating film. The high-k film includes a first high-k metal oxide film between the first areas and the insulating layers and in contact with the first areas and a second high-k metal oxide film between the second areas and the gate electrode layers and in contact with the second areas, and the first and second high-k metal oxide films include different metal materials.

Abstract: A light source apparatus includes: a light source including a light emitting diode and an optical dome covering the light emitting diode; and a substrate supporting the light source, wherein the substrate may include: a conduction layer that is electrically conductive; a first protective layer disposed on the conduction layer and on which the optical dome is disposed, the first protective layer including a first exposed portion exposing a portion of the conduction layer to connect the conduction layer and the light emitting diode; and a second protective layer disposed on the first protective layer, the second protective layer including a second exposed portion exposing a portion of the first protective layer at which the optical dome is disposed on the first protective layer.

Abstract: A control method for a refrigerator includes: obtaining an input image generated by photographing an inner space of the refrigerator; with respect to one or more objects recognized from the input image, obtaining object information including a type and a position of the one or more objects, respectively; by using an ultra-wide band (UWB) module included in the refrigerator, detecting a UWB signal output from a UWB device while the UWB device is arranged inside the refrigerator; based on the detected UWB signal, identifying a position of the UWB device; identifying an object which is located around the UWB device, from among the one or more objects recognized from the input image, based on the identified position of the UWB device; and outputting the object information with respect to the object identified as being located around the UWB device as an audio signal.

Abstract: Provided are a polymer nanoparticle, a method of preparing the polymer nanoparticle, and a polishing slurry including the polymer nanoparticle are provided, where the polymer nanoparticle including a mixture of a hydrophobic polymer and a copolymer including both hydrophobic and hydrophilic groups, the hydrophilic group of the copolymer is disposed on an outer surface of the polymer nanoparticle.

Abstract: A cooking apparatus including a cooktop including an inlet; a chamber housing to which a duct is connectable, the chamber housing coupled to the cooktop to form a chamber under the inlet; and a fan device inside the chamber housing, the fan device including a fan and a fan housing, the fan housing including a first housing inlet opening towards the cooktop, and a second housing inlet opening in an opposite direction, wherein the fan device is operable to, with the duct being connected to the chamber housing, draw air through the inlet into the chamber, so that some of the air drawn into the chamber is drawn through the first housing inlet into the fan housing, and other of the air drawn into the chamber is drawn through the second housing inlet into the fan housing, and discharge the air in the fan housing through the duct.

Abstract: A device includes: an operation module configured to store and operate a weight for an operation of a layer of a neural network model; a control module configured to generate setting information for performing the operation of the layer by the neural network model using the stored weight; an input module configured to receive input data for the operation of the layer based on the generated setting information; a merging module configured to receive operation results of the operation of the layer from the operation module and merge the received operation results of the layer; a post-processing module configured to receive the merged operation results of the layer from the merging module and post-process the received merged operation results of the layer; and an output stream module configured to convert and store the post-processed operation results based on the generated setting information.

Abstract: According to the disclosure, a display apparatus includes a printed circuit board (PCB), a light emitting diode (LED) chip mounted on the PCB and configured to emit light, an optical dome formed to enclose the LED chip by being dispensed on the LED chip, and a liquid crystal panel configured to block or pass light output from the LED chip, wherein the optical dome may be formed to satisfy 1.70<r1/r0<1.83 where r0 is a straight distance for light vertically emitted from the LED chip to reach a surface of the optical dome and r1 is a straight distance for maximum output light emitted from the LED chip to reach the surface of the optical dome.

Abstract: An air conditioner including an indoor controller configured to receive an operation command from a user, and generate a plurality of first communication signals corresponding to the operation command; an outdoor unit; and a main controller configured to connect to the indoor controller and the outdoor unit, receive the plurality of first communication signals, and convert the plurality of first communication signals into a single second communication signal by combining the plurality of first communication signals, and transmit the single second communication signal to the outdoor unit to control operation of the outdoor unit. The outdoor unit is configured to receive the single second communication signal, and operate based on the single second communication signal.

Abstract: Provided are a method and a device, for processing spectrum data of an image sensor. The method includes obtaining spectrum response signals corresponding to channels of spectrum data of light, the spectrum data being obtained from an object by an image sensor; determining a set of bases corresponding to the obtained spectrum response signals; performing, based on the determined set of bases, a change of basis on at least one basis included in the determined set of bases; and generating, by using a pseudo inverse, reconstructed spectrum data from the spectrum response signals on which the change of basis has been performed.

Abstract: A method and apparatus for transmitting data based on peripheral component interconnect express (PCIe) are disclosed. The method includes receiving, at an endpoint (EP), a doorbell (DB) message transmitted from a root complex (RC) via a PCIe connection between the endpoint (EP) and the RC; based on the DB message, transmitting, by polling of a processor of the EP, a read request message to a direct memory access (DMA) controller of the EP; and in response to reception of the read request message by the DMA controller, reading, by the DMA controller, data to be transmitted from a memory of the RC and recording read data into a memory of the EP.

Abstract: A controller of a storage system, includes a plurality of modules each including an intellectual property (IP) module and a core module, wherein, based on the IP module operating as a master for a first module of the plurality of modules, an idle clock of the first module is a first clock, wherein based on the core module operating as a master for a second module of the plurality of modules, an idle clock of the second module is a second clock, wherein a clock frequency of the first clock is greater than zero and smaller than a maximum clock frequency, and wherein a clock frequency of the second clock is zero.

Abstract: A storage device is provided. The storage device includes: a plurality of memory devices configured to output status data indicating a busy state indicating an internal operation is being performed or a ready state; and an interface circuit configured to receive a command for reading the status data of the plurality of memory devices, receive the status data of each of the plurality of memory devices from the plurality of memory devices, and output entire status data indicating statuses of the plurality of memory devices based on the status data of each of the plurality of memory devices.

Abstract: A method of processing exception events for a storage device includes generating, by the storage device, a first exception event alert comprising a first value and a second value, where the first value indicates generation of exception events and the second value indicates attributes of the exception events, and transmitting, from the storage device, the first exception event alert to a host device.

Abstract: A moving robot including a main body; a plurality of wheels configured to rotate to move the main body; a blade provided to the main body and configured to be rotatable to cut grass; and at least one processor configured to obtain alignment direction information of a pattern by which the main body is movable based on pattern information and shape information of a work area, generate travel path information based on the obtained alignment direction information of the pattern, control the plurality of wheels to rotate to move the main body based on the generated travel path information, and control the blade to rotate to cut grass based on the generated travel path information.

Abstract: A display apparatus includes: a display panel; and a light source device configured to provide light to the display panel, wherein the light source device may include: an optical member; a substrate including a first side facing the display panel and the optical member; a light source provided on the first side of the substrate; a driving element provided on the first side of the substrate and configured to drive the light source; a plurality of lines provided on the first side of the substrate, the plurality of lines including a first line and a second line that is connected to the driving element; and a jumper supporter provided on the first side of the substrate in an area where the first line intersects the second line, the jumper supporter being configured to support the optical member, to electrically connect the first line, and to guide the second line to be spaced apart from the first line.

Abstract: An optical scanner includes at least one light source configured to emit light, a steering unit configured to perform scanning in a first direction based on the light emitted from the at least one light source, and a polygon mirror configured to perform, by using the light output from the steering unit, scanning in a second direction different than the first direction based on a rotation of the polygon mirror. The steering unit includes a plurality of first prisms, and each of the plurality of first prisms includes an incident facet configured to pass the light emitted from the at least one light source, and an output facet configured to refract and output the light. The polygon mirror includes a plurality of reflective facets, and each of the plurality of reflective facets is configured to that reflect the light output from the steering unit.

Abstract: A system-on-chip includes a low-dropout (LDO) regulator configured to regulate a voltage of input power and to supply operation power to a core through an output mode, the core configured to receive the operation power to perform an operation, and a power supply circuit configured to supply the input power to the LDO regulator. The power supply circuit may receive first power and second power having different voltage characteristics, and may supply third power, which is power having a higher voltage of the first power and the second power, and the second power to the LDO regulator as the input power.