Abstract: An error correcting method of a memory system includes: reading read data and an error correction code from a plurality of memory chips; correcting an error of the read data using the error correction code; temporarily storing the read data and the error correction code in a buffer when the correcting of the error fails; writing a certain input test pattern in the plurality of memory chips, reading an output test pattern written in the plurality of memory chips, and detecting a fail chip in which a chipkill occurs; recorrecting, based on a location of the detected fail chip, the error of the read data stored in the buffer using the error correction code stored in the buffer; and rewriting error-corrected read data and the error correction code in the plurality of memory chips.

Abstract: The present disclosure provides an operation-path recommendation method and apparatus. In the present disclosure, by an operation-path recommendation apparatus, a blood vessel graph model is generated based on patient's anatomical information, a plurality of candidate paths between defined start and destination points is extracted; node information on at least one node in each of the candidate paths is extracted; a cost function is applied to each candidate path, based on the extracted node information.

Abstract: A mobile ad-hoc routing apparatus includes a first communication module and a second communication module configured to transmit and receive data through a first communication band and a second communication band, respectively, a memory configured to store a program for transmitting and receiving the data, and a processor configured to execute the program stored in the memory, wherein when the program is executed, the processor receives first control information broadcast by one or more neighboring nodes via the first communication module and stores the first control information in the memory, wherein the first control information includes current position and communication status information of the neighboring node, the processor updates information on the neighboring node on the basis of the first control information, generates packet forwarding information which includes information on a node which currently allows packet data to be transmitted based on the updated information on the neighboring node, and

Abstract: The present invention relates to a sterilized water spray device for sterilizing the inner wall of a toilet and a bidet seat having the same. A sterilized water spray device according to an embodiment of the present invention comprises: a housing into which sterilized water flows; a tubular nozzle part for spraying the sterilized water flowed into the housing, through nozzles disposed at one end of the nozzle part, to a toilet; and a driving part for rotating the nozzle part.

Abstract: A balancing weight composition with excellent extrudability is provided. More specifically, the balancing weight composition includes a stainless steel and a resin base, wherein the resin base includes a polyester-based engineering plastic, an epoxy resin and an ionically cross-linked elastomer at a suitable content ratio to improve extrusion flowability, flexural strength and adhesive strength of a molded material.

Abstract: Disclosed is a memory system includes a memory device including a plurality of memory blocks, a write operation management circuit configured to update write operation counts for the plurality of memory blocks, a first block detector configured to detect a hot memory block based on a first operation count value corresponding to the write operation count of a first memory block on which a write operation has been performed among the plurality of memory blocks, a second detector configured to detect a cold memory block based on a second operation count value corresponding to the write operation count of each of second memory blocks adjacent to the first memory block, and a controller configured to copy, if the hot memory block and the cold memory block are detected by the first and second detectors, data of the detected hot memory block or data of the detected cold memory block.

Abstract: A vertical memory device includes a substrate, a plurality of channels on the substrate and extending in a first direction that vertical to a top surface of the substrate, a plurality of gate lines and a conductive line on the substrate. The gate lines are stacked on top of each other. The gate lines surround the channels. The gate lines are spaced apart from each other along the first direction. The conductive line cuts the gate lines along the first direction. A width of the conductive line is periodically and repeatedly changed.

Abstract: A method for making an aircraft brake disc includes: a first step of manufacturing a rotary disc preform for manufacturing a rotary disc and a fixing disc preform for manufacturing a fixing disc; and a second step of densifying the rotary disc preform such that density continuously increases from the center to the outside of the rotary disc and of densifying the fixing disc preform such that density continuously decreases from the center to the outside of the fixing disc.

Abstract: A developing unit includes a developing roller, a developing casing to support and allow the developing roller to rotate, the developing casing including a developer supply inlet, a developer discharge outlet, and a developer collection inlet. The developing unit further includes a discharge cover to form a discharge path for a developer discharged from the developer discharge outlet along with the developing casing. The developer collection inlet is positioned in the discharge path to collect a part of the developer moving along the discharge path into the developing casing.

Abstract: A protection cover, according to various embodiments of the present invention, protects an electronic device and may comprise: a cover unit for covering the electronic device; and a suction unit, provided at the cover unit, for fixing the cover unit including the electronic device to the outside. The device as described above may be implemented in more varied ways according to the embodiments.

Abstract: A liquid crystal display device having a touch screen and a test method of a touch panel are provided that can prevent a block dim that may occur in a lighting test. The liquid crystal display device includes common voltage probe pads, which are connected to common voltage output pads and are larger than the common voltage output pads, in a non-display area of the touch panel.

Abstract: Disclosed herein are a method for recognizing a table for an electronic menu system based on visible light and an apparatus for the same. The method includes receiving, by a visible light receiver connected to a smart device provided to a customer in a restaurant, multiple visible light signals from multiple lamps installed in the restaurant; detecting at least one valid signal from the multiple visible light signals in consideration of the multiple visible light signals and sensor data collected from a sensor installed in the smart device; and recognizing a table at which the customer is sitting using table information included in the at least one valid signal.

Abstract: The present invention relates to an apparatus for recognizing intention of a horse-riding simulator user, and a method thereof, and the apparatus for recognizing intention of a horse-riding simulator user can provide a safe and realistic horse-riding simulation environment to a user by recognizing an aid signal and an intention signal of the user to sense a dangerous situation and accordingly coping with the situation. According to the present invention, it is possible to increase the sense of the real for the user by enabling the horse-riding simulator user to perform similar interaction to actual horse-riding, and to increase effects of horse-riding training using the horse-riding simulator. Particularly, there is an advantage that the dangerous situation is sensed for safe riding, and it is possible to contribute to formation of a related technology market by providing an effective method for recognition of the intention of the horse-riding simulator user.

Abstract: The present invention relates to methods of transmitting and receiving a frame, which are performed by a station operating in a power save mode in a wireless LAN system. The method includes: transmitting a poll frame requesting the transmission of a buffered frame to an access point AP, wherein the poll frame includes a sustain time field that indicates a service section; and receiving at least one buffered frame from the AP within the sustain time in response to the poll frame. A method is provided for transmitting and receiving a frame executed by a station (STA) operating in a power sub mode in a wireless LAN system. The method includes transmitting a first poll frame requesting the transmission of a buffered frame to an access point AP, receiving an acknowledgement ACK frame in response to the first poll frame, and receiving at least one buffered frame from the AP.

Abstract: An error correcting method of a memory system may include: reading read data and an error correction code from a plurality of memory chips; correcting an error of the read data using the error correction code; temporarily storing the read data and the error correction code in a buffer when the correcting of the error fails; writing a certain input test pattern in the plurality of memory chips, reading an output test pattern written in the plurality of memory chips, and detecting a fail chip in which a chipkill occurs; recorrecting, based on a location of the detected fall chip, the error of the read data stored in the buffer using the error correction code stored in the buffer; and rewriting error-corrected read data and the error correction code in the plurality of memory chips.

Abstract: A method for channel access in a wireless local area network is provided. The method includes: transmitting, a plurality of Request To Send (RTS) frames over a plurality of subchannels to a receiver, each RTS frame being transmitted over each of the plurality of subchannels; receiving at least one Clear To Send (CTS) frame over at least one subchannel among the plurality of subchannels from the receiver; each CTS frame being transmitted over each of the at least one subchannel, transmitting a data unit to the receiver. The data unit includes at least one data frame. The at least one data frame is transmitted over at least one selected subchannel among the at least one subchannel, each data frame being transmitted over each selected subchannel.

Abstract: Disclosed are a method and an apparatus for indicating a frame type using a physical layer convergence protocol header. A method for determining a frame type using a PLCP header may comprise: a step of demodulating a frame type contained in an SIG of the PLCP header so as to acquire information indicating a physical service data unit (PSDU) of a frame; and a step of acquiring frame information required for demodulating the frame contained in the SIG dependently on the information indicating PSDU. Thus, unnecessary information may not be additionally demodulated to thereby improve demodulation efficiency and reduce unnecessary power consumption.

Abstract: A technology for allowing anyone to easily create interactive media capable of easily recognizing a user interaction by using a stored image is provided. A system according to the present invention includes an image reconstruction server, an image ontology, and an image repository. The image reconstruction server includes an image reconstruction controller, a natural language processing module, and an image search module. The image reconstruction controller of the image reconstruction server receives a scenario based on a natural language from a user and searches for images desired by the user by using the natural language processing module, the image search module, and the image repository. The natural language processing module of the image reconstruction server performs a morphological analysis and a syntax analysis on the scenario input by the user as a preliminary operation for the search of the image ontology.

Abstract: Disclosed is an address mapping method of a memory system. The address mapping method may include grouping adjacent memory cells into multiple cubes, from a plurality of memory cells respectively located at intersections of a plurality of row lines and a plurality of column lines; allocating most significant bit (MSB) N bits of a physical address for identifying the cubes; allocating least significant bit (LSB) M bits of the physical address for designating locations of memory cells included in each of the cubes, M and N being positive integers; storing information about a mapping between a logical address and the (M+N)-bit physical address in a mapping table; and when the logical address in response to an external request is received, translating the logical address to the physical address based on the mapping table.