Abstract: A refrigerator includes a main body having a storage compartment formed therein, and a cooling module forming a machine compartment in which a compressor is disposed and detachably mounted to the main body. The cooling module includes a module body forming the machine compartment, a condenser of an L shape disposed on one side of the compressor and including a first part corresponding to a portion of a rear surface of the machine compartment and a second part corresponding to one side of the machine compartment. The condenser is vertically mounted on a base plate disposed below the module body. A module cover is provided to cover the rear of the machine compartment, and a suction flow path includes first and second suction flow paths.

Abstract: An air conditioner includes an outdoor unit, a plurality of mode change devices including at least one mode changer including a branch duct and a changing valve, and configured to receive a control signal from the outdoor unit to control an operation of the at least one mode changer. A plurality of indoor units are connected to the outdoor unit or the plurality of mode change devices. The outdoor unit may determine an operation mode to operate the plurality of mode change devices a plurality of times. Each of the plurality of indoor units may detect a temperature change of an indoor heat exchanger in response to the operation of the mode change devices, to determine the number of connected mode changers and a connectable mode changer candidate group based on the temperature change of the indoor heat exchanger.

Abstract: A light detection and ranging (LiDAR) device may include: an optical phased array configured to modulate a phase of light incident on the optical phased array and emit the light; a first photodetector configured to detect, as a reference light, the light emitted from the optical phased array in a first direction toward the first photodetector, and generate a reference signal based on the reference light; a second photodetector configured to detect, as a target light including information about an object, the light emitted from the optical phased array in a second direction toward the object, and generate a target signal based on the target light; and a processor configured to determine a distance between the LiDAR device and the object based on a cross-correlation between the reference signal and the target signal.

Abstract: A recommendation method includes determining one or more aspects of a first item based on at least one descriptive text of the first item. The recommendation method also includes updating a knowledge graph containing nodes that represent multiple items, multiple users, and multiple aspects. Updating the knowledge graph includes linking one or more nodes representing the one or more aspects of the first item to a node representing the first item with one or more first edges. Each of the one or more first edges identifies weights associated with (i) user sentiment about the associated aspect of the first item and (ii) an importance of the associated aspect to the first item. In addition, the recommendation method includes recommending a second item for a user with an explanation based on at least one aspect linked to the second item in the knowledge graph.

Abstract: According to various embodiments, an electronic device may include: a housing including an inner space; a slide structure including a reciprocating slide configured to be slidable from the housing by a predetermined reciprocating distance along a first direction; a flexible display at least partially supported by the slide structure and configured to be received in the inner space to be at least partially invisible from the outside in a slide-in state of the electronic device; and a first friction reducing structure disposed between the housing and the slide structure. The first friction reducing structure may include: a guide slit disposed in the housing in a direction parallel to the first direction and having a predetermined length; a guide protrusion configured to be guided by the guide slit in the slide structure; at least one first magnet disposed on the guide slit; and at least one second magnet disposed on the guide protrusion at a position affected by the magnetic force of the first magnet.

Abstract: A focusing device includes a substrate and a plurality of scatterers provided at both sides of the substrate. The scatterers on the both sides of the focusing device may correct geometric aberration, and thus, a field of view (FOV) of the focusing device may be widened.

Abstract: Various embodiments of the present invention relate to an electronic device for diagnosing a battery, and the electronic device may include a battery; and a power management module operatively connected with the battery, and including a charging circuit which controls charge of the battery, wherein the power management module is configured to monitor a charge state of the battery, if the battery reaches a first designated state, identify a time taken to change from the first designated state to a second designated state, and determine whether the battery is abnormal, based at least in part on the identified time. Other various embodiments are possible.

Abstract: An electronic device and method in the same are disclosed. The electronic device includes a first and second housing, the second movable relative to the first, a flexible display having an exposure area configurable into a first size and a larger, second size, at least one sensor, and a processor. The processor implements the method, including: when detecting that the device is disposed in the first state, displaying a first content, based on detecting a first input, displaying a user interface (UI0 with the first content, based on detecting a second input to the UI, cancelling display of the UI, based on detecting a switch from the first state to the second state, maintaining display of the first content in a first area of the exposure area and displaying a second content in a second area of the exposure area.

Abstract: An electronic device is provided that includes a camera module that receives external light through a portion of a surface of the electronic device. The camera module includes a camera housing having an image sensor disposed on a bottom surface of the camera housing. The camera module also includes and a lens assembly. At least a portion of the lens assembly is disposed in the camera housing. The lens assembly includes a first lens, a second lens, and a spacer disposed between the first lens and the second lens. The spacer has an opening area formed therein. An optical axis passes through the opening area. The spacer is formed such that a first inner surface of the opening area and a second inner surface of the opening area are parallel to each other in a cross-sectional view that includes the optical axis.

Abstract: According to various embodiments, an electronic device may comprise an ultra-wideband (UWB) communication circuit, a Wi-Fi communication circuit and a processor controlling the UWB communication circuit and the Wi-Fi communication circuit. The processor may be configured to identify an operation channel of the UWB communication circuit, identify a communication band of the Wi-Fi communication circuit, overlapping the operation channel of the UWB communication circuit, and when the communication band overlapping the operation channel is activated, determine whether to simultaneously perform Wi-Fi communication through the activated communication band and UWB communication through the operation channel. Other various embodiments are possible as well.

Abstract: A method for re-learning a trained model is provided. The method for re-learning a trained model includes: receiving a data set including the trained model consisting of a plurality of neurons and a new task; identifying a neuron associated with the new task among the plurality of neurons to selectively re-learn a parameter associated with the new task for the identified neuron; and dynamically expanding a size of the trained model on which the selective re-learning is performed if the trained model on which the selective re-learning has a preset loss value to reconstruct the input trained model.

Abstract: A display apparatus and a control method therefor are provided.

Abstract: The disclosure relates to a communication method and system for converging a 5th generation (5G) communication system for supporting higher data rates beyond a 4th generation (4G) system with a technology for Internet of Things (IoT). The disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method and apparatus for monitoring wakeup signal and method and apparatus for securing unicast V2X communication are provided.

Abstract: A system for calculating. A scratch memory is connected to a plurality of configurable processing elements by a communication fabric including a plurality of configurable nodes. The scratch memory sends out a plurality of streams of data words. Each data word is either a configuration word used to set the configuration of a node or of a processing element, or a data word carrying an operand or a result of a calculation. Each processing element performs operations according to its current configuration and returns the results to the communication fabric, which conveys them back to the scratch memory.

Abstract: An electronic device includes a display and at least one processor operatively connected to the display. The at least one processor is configured to receive a request to modify how to select an interactive element that is displayed at a first location on the display. The interactive element is configured to launch an operation when selected. The at least one processor is also configured to associate an input mechanism with the interactive element for launching the operation based on the request. The at least one processor is further configured to perform the operation associated with the interactive element in response to receiving the input mechanism.

Abstract: An electronic device is provided. The electronic device includes a first structure, a second structure coupled to the first structure so as to be slidable in a first direction or a second direction opposite to the first direction, a display that is at least partially disposed on the second structure and that moves relative to the first structure together with the second structure, in which a size of an area of the display exposed on a front side of the electronic device is changed in response to a sliding motion of the second structure, and a driving unit that connects part of the first structure and part of the second structure and generates an elastic force in the first direction or the second direction in response to a movement of the second structure.

Abstract: A system is disclosed. The system may include a processor that may issue a byte level protocol request including a byte address. The system may also include a first storage device and a second storage device. The first storage device and the second storage device may support a cache coherent interconnect protocol, the cache coherent interconnect protocol including a block level protocol and a byte level protocol. The first storage device and the second storage device are included in a redundant array of independent disks (RAID). The first storage device may include a first address range, and the second storage device may include a second address range. The second storage device may provide a RAID address range associated with the first address range and the second address range. A decoder associated with the second storage device may be configured to receive the request from the processor. The decoder may determine that the byte address in the RAID address range is associated with a target address range.

Abstract: A failure prediction method and device for a storage device are provided. The method comprises: inputting SMART data of the storage device obtained in real time into each of a plurality of base classification models to obtain a classification result for the SMART data of the storage device obtained in real time that is output by the each classification model, wherein the each base classification model is obtained by training using historical SMART data of a plurality of storage devices and/or SMART data of the plurality of storage devices obtained online; determining whether the SMART data of the storage device obtained in real time is healthy data or erroneous data, based on classification results of the plurality of base classification models; predicting whether the storage device will fail, based on a number of SMART data that is determined as healthy data and a number of SMART data that is determined as erroneous data among SMART data of the storage device obtained within a predetermined time window.

Abstract: A storage device includes a non-volatile memory including a plurality of non-volatile memory cells, a buffer memory configured to temporarily store write data to be written to the non-volatile memory or read data read from the non-volatile memory, and a controller configured to receive a sleep mode signal from an external host. When the sleep mode signal is received by the controller, the controller is configured to block a first power supplied to the non-volatile memory and set the buffer memory to one of a first mode in which a second power is blocked from being supplied to the buffer memory and a second mode in which the buffer memory operates with low power. The write data stored in the buffer memory is written to the non-volatile memory when the buffer memory is set to the first mode.

Abstract: A semiconductor memory device includes a memory cell array, an error correction circuit, an error log register and a control logic circuit. The memory cell array includes a plurality of memory bank arrays and each of the memory bank arrays includes a plurality of pages. The control logic circuit is configured to control the error correction circuit to perform an ECC decoding sequentially on some of the pages designated at least one access address for detecting at least one bit error, in response to a first command received from a memory controller. The control logic circuit performs an error logging operation to write page error information into the error log register and the page error information includes a number of error occurrence on each of the some pages determined from the detecting.