Abstract: A memory device includes a clock receiver configured to receive, from a memory controller, a write clock that is used to receive write data during a data write operation, a duty monitor configured to generate first monitoring information by monitoring a duty of the write clock, and a duty adjuster configured to adjust the duty of the write clock in response to a duty control signal and output an adjusted write clock. The memory device provides the first monitoring information to the memory controller, and receives the duty control signal, generated using the first monitoring information, from the memory controller.

Abstract: A display apparatus includes a display panel rollable around a rolling axis extending in a first direction and a support member disposed below the display panel. The support member includes a base part, support bars each extending in the first direction, arranged in a second direction crossing the first direction, and coupled to the base part, and a protruding part including a first support portion and a second support portion, each of which is disposed below the base part and extends in the second direction. The first support portion overlaps at least a portion of first ends of the support bars, and the second support portion overlaps at least a portion of second ends of the support bars, which are spaced apart from the first ends in the first direction.

Abstract: A resin includes a unit represented by Chemical Formula 1, a method for preparing the same, a resin composition including the same, and a molded article including the resin composition in Chemical Formula 1, Ar1, Ar2, R1, r1, X1 to X4, Z1, Z2, a and b are described herein.

Abstract: A memory device in which reliability of a clock signal is improved is provided. The memory device comprises a data module including a clock signal generator configured to receive an internal clock signal from a buffer, and to generate a first internal clock signal, a second internal clock signal, a third internal clock signal, and a fourth internal clock signal having different phases, on the basis of the internal clock signal, and a first data signal generator configured to generate a first data signal on the basis of first data and the first internal clock signal, generate a second data signal on the basis of second data and the second internal clock signal, generate a third data signal on the basis of third data and the third internal clock signal, and generate a fourth data signal on the basis of fourth data and the fourth internal clock signal.

Abstract: The present disclosure relates to a method and apparatus for generating a multi-drone network operation plan based on reinforcement learning. The method of generating a multi-drone network operation plan based on reinforcement learning includes defining a reinforcement learning hyperparameter and training an actor neural network for each drone agent by using a multi-agent deep deterministic policy gradient (MADDPG) algorithm based on the defined hyperparameter, generating Markov game formalization information based on multi-drone network task information and generating state-action history information by using the trained actor neural network based on the formalization information, and generating a multi-drone network operation plan based on the state-action history information.

Abstract: A method of displaying an application is provided. The method includes displaying an execution screen of a first application on a first area when the first application is executed, displaying the execution screen of the first application on a second area instead of on the first area when a second application is executed while the first application is executed, and displaying an execution screen of a second application on the first area.

Abstract: A display device includes a display panel rollable about a rolling axis extending in a first direction, and a support member facing the display panel and rollable together with the display panel. The support member includes a support layer defining an upper surface of the support member and a lower surface of the support member which is opposite to the upper surface and further from the display panel than the upper surface, and a plurality of support bars within the support layer and each extending in the first direction, the plurality of support bars being arranged in a second direction crossing the first direction. Within the support layer, each of the plurality of support bars is convexly curved toward the upper surface of the support member, along the first direction.

Abstract: A rollable display device includes a rollable structure including a plurality of unit structures, the rollable structure being configured to be rolled and unrolled based on the unit structures, and a display panel structure attached to the rollable structure, wherein respective widths of the unit structures increase in a first direction from a first side of the rollable structure to an opposite second side of the rollable structure.

Abstract: A memory device includes a clock receiver configured to receive, from a memory controller, a write clock that is used to receive write data during a data write operation, a duty monitor configured to generate first monitoring information by monitoring a duty of the write clock, and a duty adjuster configured to adjust the duty of the write clock in response to a duty control signal and output an adjusted write clock. The memory device provides the first monitoring information to the memory controller, and receives the duty control signal, generated using the first monitoring information, from the memory controller.

Abstract: A memory device includes a clock receiver configured to receive, from a memory controller, a write clock that is used to receive write data during a data write operation, a duty monitor configured to generate first monitoring information by monitoring a duty of the write clock, and a duty adjuster configured to adjust the duty of the write clock in response to a duty control signal and output an adjusted write clock. The memory device provides the first monitoring information to the memory controller, and receives the duty control signal, generated using the first monitoring information, from the memory controller.

Abstract: A memory device includes a clock receiver configured to receive, from a memory controller, a write clock that is used to receive write data during a data write operation, a duty monitor configured to generate first monitoring information by monitoring a duty of the write clock, and a duty adjuster configured to adjust the duty of the write clock in response to a duty control signal and output an adjusted write clock. The memory device provides the first monitoring information to the memory controller, and receives the duty control signal, generated using the first monitoring information, from the memory controller.

Abstract: The present invention provides a catalyst module for removing harmful gas, wherein an oxidation reaction or reduction reaction of harmful gas is carried out in a self-heating heating carrier. According to an embodiment of the present invention, the catalyst module for removing harmful gas comprises: a heating carrier composed of an electrically heatable heating body, including one or more flow channels inside, and having a porous structure with pores; and a catalyst region formed on at least a portion of the surface of the heating carrier including the flow channels and containing a catalyst material for promoting a decomposition reaction of harmful gas passing through the flow channels, wherein the catalyst region comprises: a first catalyst layer having a first catalyst material loading amount in the pores of the heating carrier; and a second catalyst layer applied on the inner surface of the heating carrier.

Abstract: The embodiments relate to a radar control device and method. Specifically, a radar control device according to the embodiments may include a transceiver configured to transmit a transmission signal for detecting surroundings of a host vehicle through a radar mounted on the host vehicle and receive a reflected reception signal, a calculator configured to calculate a measurement value reflected from an object by performing Fast Fourier Transform (FFT) on the reception signal and calculate a relative speed with respect to the measurement value, and a determiner configured to create, if the relative speed of the measurement value is 0, a peak map having a range-Doppler index from the reception signal, and determine whether the object is a stationary object based on the peak map.

Abstract: Disclosed are a method and a system for optimization of mission planning of a multi-UAV network for data collection and communication relay, which can perform optimization of an operation concept for an ad-hoc network based collaboration data collection mission, optimization of flight paths and data collection order of data collection UAVs, flight paths of communication relay UAVs, dynamic communication network topology, and optimization of high-capacity data transmission/reception bitrate scheduling.

Abstract: A display device includes a display module rollable in a rolling direction, and a support member facing the display module and rollable together with the display module. The support member includes a plurality of support bars arranged along the rolling direction, and a support layer which is between the display module and the plurality of support bars. Each of the plurality of support bars includes first and second portions at opposing ends of the support bar, along a direction crossing the rolling direction, and a third support portion between the first and second support portions, connecting the first support portion to the second support portion, and corresponding to the display module, where a thickness of each of the first support portion and the second support portion is greater than a thickness of the third support portion.

Abstract: Disclosed is a method for manufacturing a battery pack which has an upper plate configured to have a seating surface, on which battery modules are seated, and a plurality of members configured to separate the seating surface of the upper plate into a plurality of regions. The method includes calculating height tolerances of the seating surface in the respective regions, determining application amounts of the gap filler in the respective regions based on the calculated height tolerances in the respective regions, and applying the determined application amounts of the gap filler in the respective regions.

Abstract: A repeater is provided. The repeater includes: a hybrid butler matrix configured to perform beamforming of a MIMO antenna for transmitting and receiving a base station signal; a hybrid butler matrix configured to perform beamforming of a MIMO antenna for transmitting and receiving a user terminal signal; and a signal processor configured to amplify a signal to be transmitted and received through the hybrid butler matrix. Accordingly, it is easy to manufacture a repeater, heat emission and power consumption can be reduced, and a cost of production can be reduced.

Abstract: The present disclosure relates to a battery assisting apparatus and method for a fuel cell vehicle. An exemplary embodiment of the present disclosure provides a battery assisting apparatus for a fuel cell vehicle, including: a controller configured to determine an increase or decrease of driver's determination to accelerate based on a change rate of motor torque and a change rate of accelerator opening when a battery assistance mode is entered, and to release the battery assistance mode when the driver's determination to accelerate is decreased; and a storage configured to store data and algorithms driven by the controller.

Abstract: A media content playback device for a vehicle and a method therefor are provided. The media content playback device includes: a media information identifying device that requests a user terminal to transmit media information and identifies the media information, when there is a request to play media content, when communicatively connected with the user terminal; a cover art obtaining device that obtains a cover art image based on the media information; and a controller that displays the cover art image on a playback screen of the media content, when playing the media content.

Abstract: A display device including: a display panel configured to display an image; and a winder configured to fix a first end portion of the display panel thereinto, wherein the winder includes a first fixing portion including a first external surface which is curved, and a second fixing portion that includes a second external surface which is curved and that faces the first external surface, wherein the first end portion of the display panel may be interposed between the first external surface and the second external surface.