Abstract: A method of producing sulfur-containing amino acids or derivatives of the sulfur-containing amino acids.

Abstract: An array antenna capable of steering a beam in a first communication node of a wireless communication system may comprise: a plurality of single antennas each capable of variably adjusting a beam steering direction; a plurality of beamforming control units each of which is connected to each of the plurality of single antennas to control a beamforming operation of each of the plurality of single antennas; and an array antenna control unit connected to the plurality of beamforming control units to control a beamforming operation of the entire array antenna, wherein the plurality of single antennas are arranged in a cylindrical shape and are installed to face a direction opposite to a central direction of the cylinder shape, and the array antenna is configured to steer a beam to a predetermined area around the first communication node through at least one single antenna among the plurality of single antennas.

Abstract: A method of producing sulfur-containing amino acids or derivatives of the sulfur-containing amino acids.

Abstract: A direct current-to-direct current (DC-DC) converter providing multiple operation modes includes a buck power stage configured to lower an input voltage, a boost power stage configured to increase the input voltage, and a multi-mode controller configured to control the buck power stage and the boost power stage, wherein the multi-mode controller is configured to generate a signal to control the buck power stage and the boost power stage according to the input voltage and an output voltage, and control the buck power stage and the boost power stage using the signal.

Abstract: Provided are a microorganism producing an L-amino acid or a precursor thereof, and a method of producing an L-amino acid or a precursor thereof using the microorganism.

Abstract: An example display apparatus includes a communicator configured to receive video content from a video service server through a network and transmit data to the video service server; an image processor configured to decode the video content and output an image frame; and an image display on which the image frame is displayed, wherein the image processor transmits one of a video resolution reduction signal for allowing the video service server to transmit video content having a resolution lower than a reference resolution in response to an increase in traffic of the network and a frame rate reduction signal for allowing the video service server to transmit video content having a frame rate lower than a reference frame rate in response to an increase in traffic of the network.

Abstract: A washing machine is provided. The washing machine comprises a pulsator rotatably disposed in a rotation tub, a washing shaft rotating in conjunction with the pulsator, and a connecting member which connects the washing shaft and a motor to transmit a driving force of the motor to the washing shaft, wherein the connecting member comprises a first bush coupled to the washing shaft and a second bush coupled to the motor, and the second bush is coupled to the washing shaft to which the first bush is coupled and rotates in engagement with the first bush.

Abstract: A classifying and purifying apparatus of a solid blowing agent includes a classifier which classifies a supplied solid blowing agent into first microspheres and second microspheres, a storage connected to the classifier, in which the classified first microspheres flow in to be stored and emitted, and a filter arranged on the moving route of the solid blowing agent or the first microspheres which separates metallic substance from the object of filtering comprising the solid blowing agent or the first microspheres.

Abstract: Disclosed herein is a composition for gene delivery which forms into liquid crystals in an aqueous fluid including chitosan and a liquid crystal formation material. The composition of the present invention including chitosan and a liquid crystal formation material improves the relatively low binding strength between chitosan and a gene, and also considerably increases the stability of a chitosan nanocomposite in blood serum, thereby performing highly efficient gene delivery and providing excellent stability, thus being useful as a gene therapeutic agent.

Abstract: A semiconductor device includes a device cell including a gate component configured to receive a gate control signal and a temperature sensing component adjacent to the device cell. Each of the temperature sensing component and the gate component includes polycrystalline silicon.

Abstract: An input sensing device includes a first base layer, a plurality of first sensing electrodes, a plurality of second sensing electrodes, a plurality of third sensing electrodes, and a plurality of fourth sensing electrodes. The first sensing electrodes are arranged on the first base layer along a first direction. The second sensing electrodes are arranged on the first base layer in different rows from the first sensing electrodes. The third sensing electrodes are arranged on the second sensing electrodes along a second direction different from the first direction. The third sensing electrodes overlap the second sensing electrodes. The fourth sensing electrodes are arranged on the same layer as the third sensing electrodes and overlap the first sensing electrodes. A constant voltage is applied to the third sensing electrodes during a touch pressure sensing operation.

Abstract: A boost direct current-to-direct current (DC-DC) converter using a delta-sigma modulator (DSM), the boost DC-DC converter may comprise a boost driving circuit outputting an output voltage to output terminals by boosting an input voltage, a resistance distribution circuit outputting a feedback voltage by distributing the output voltage of the boost driving circuit, a compensator outputting a compensated feedback voltage by compensating for the feedback voltage outputted by the resistance distribution circuit based on a reference voltage, a delta-sigma modulator outputting a digital signal by modulating the compensated feedback voltage and a duty controller outputting a duty control signal for controlling a switching duty of the boost driving circuit by receiving the output of the delta-sigma modulator.

Abstract: Provided is a display apparatus including: a communicator configured to receive video content from a video service server through a network and transmit data to the video service server; an image processor configured to decode the video content and output an image frame; and an image display on which the image frame is displayed, wherein the image processor transmits one of a video resolution reduction signal for allowing the video service server to transmit video content having a resolution lower than a reference resolution in response to an increase in traffic of the network and a frame rate reduction signal for allowing the video service server to transmit video content having a frame rate lower than a reference frame rate in response to an increase in traffic of the network.