Abstract: Disclosed are a method and an apparatus for an instant messaging service to provide a schedule service. A schedule management server according to an example embodiment includes receiving a schedule creating request, selecting any one of a first type of calendar belonging to a chatroom in which the schedule creating request is created and a second type of calendar belonging to a user account which creates the schedule creating request, according to a schedule type included in the schedule creating request; and creating a schedule corresponding to the selected type of calendar.

Abstract: A secondary battery includes a cylindrical can, an electrode assembly in the cylindrical can together with an electrolytic solution, and a cap assembly coupled to the top of the cylindrical can, the cap assembly including a cap-up including a cap-up circumference flat portion and a cap-up circumference bent portion bent from the cap-up circumference flat portion in a downward direction and a safety plate coupled to the cap-up circumference flat portion and the cap-up circumference bent portion.

Abstract: The present invention relates to a system structure capable of performing real-time detection of nucleic acid extraction and amplification reactions and amplified results in a device for implementing a polymerase chain reaction (PCR).

Abstract: A connector structure according to an embodiment of the present disclosure includes a second connector and a first connector coupled to the second connector. The first connector includes a first insulator, a first conductive connection terminal disposed on the first insulator, a second conductive connection terminal spaced apart from the first conductive connection terminal to form a single row structure on the first insulator together with the first conductive connection terminal, and a first barrier structure disposed between the first conductive connection terminal and the second conductive connection terminal on the first insulator.

Abstract: The present application provides a substrate comprising a spacer pattern. The present application can provide a substrate, which is applied to various optical devices, capable of evenly and stably maintaining a gap between substrates while maximally securing an active region without causing any optical defects, including a diffraction phenomenon, and the like. The present application can also provide an optical device comprising the substrate.

Abstract: The present disclosure relates to an organic light emitting diode in which an emitting material layer disposed between two electrodes includes a first compound forming a fused ring among a boron atom and at least one of oxygen atom, sulfur atom and a selenium atom, and a second compound forming a fused ring between a boron atom and a nitrogen atom, and an organic light emitting device including the organic light emitting diode. The first compound and the second compound may be included in the same emitting material layer or adjacently disposed emitting material layers. The organic light emitting diode includes the emitting material layer where includes first and second compounds with adjusting their energy levels so that driving voltages of the organic light emitting diode can be lowered and luminous efficiency and luminous lifetime of the organic light emitting diode can be improved.

Abstract: An oven includes a main body, a cooking compartment provided in the main body and having a front surface thereof is opened, the cooking compartment having an opening, a camera provided above the cooking compartment and configured to capture an inside of the cooking compartment through the opening, a camera cooling fan disposed above the camera and configured to cool the camera by suctioning external air, a first glass provided at the opening of the cooking compartment so that the camera captures the inside of the cooking compartment and configured to block transmission of heat in the cooking compartment to the camera, and a second glass provided between the camera and the first glass and configured to additionally block the transmission of heat to the camera.

Abstract: The present invention relates to a porous silicon-carbon composite having a core-shell structure, a preparing method therefor, and an anode active material comprising same, wherein the core comprises silicon particles and the shell comprises two or more carbon layers including a first carbon layer and a second carbon layer, so that the application of the composite as an anode active material for a secondary battery can enhance the discharge capacity, initial efficiency, and capacity retention rate of the secondary battery. In addition, the preparing method for the porous silicon-carbon composite having the core-shell structure enables the mass production through a continuous process with minimized steps.

Abstract: Disclosed are a method and an apparatus for an instant messaging service to provide a schedule service. A schedule management server according to an example embodiment includes receiving a schedule creating request, selecting any one of a first type of calendar belonging to a chatroom in which the schedule creating request is created and a second type of calendar belonging to a user account which creates the schedule creating request, according to a schedule type included in the schedule creating request; and creating a schedule corresponding to the selected type of calendar.

Abstract: An antenna stack structure according to an embodiment includes an antenna substrate layer, an antenna unit disposed on one surface of the antenna substrate layer and including a radiator and an antenna pad, and a pad ground and an insulating layer disposed at the same level on an opposite surface of the antenna substrate layer facing the one surface. The antenna pad is superimposed over the pad ground in a thickness direction. Radiation properties can be improved utilizing the antenna pad.

Abstract: The series-type charging and discharging device according to the present technology for charging and discharging a plurality of battery cells in series, includes trays, a cooling fan, a power source, a charging and discharging control board, and a control unit, and the charging and discharging control algorithm includes a first to N (N is an integer from 2 to 10) charging and discharging steps, and each charging and discharging step is configured to charge and discharge in a constant current mode, but characterized in with a stepwise decrease in the value of the charging and discharging current.

Abstract: A method for forming an insulating layer pattern includes providing a substrate comprising two or more different types of dielectric layer regions; and selectively forming a blocking layer on the substrate to include a first region and a second region. On the first region, the blocking layer is formed, whereas on the second region, no blocking layer is formed or the blocking layer is formed less than in the first region. The difference in water contact angle between the first region and the second region is within the range of 7 to 50 degrees.

Abstract: Provided are a Corynebacterium glutamicum varient with improved L-lysine producing ability and a method of producing L-lysine using the same. The variant increases or enhances the expression of a gene encoding aspartate aminotransferase, thereby improving a production yield of L-lysine, as compared to a parent strain.

Abstract: A check device and method for checking for misalignment or twisting during operation of a battery cell activation tray is provided where the cell activation tray includes an external tray having a fence and an inner tray for accommodating a battery cell fixed at a predetermined distance from the fence on a bottom of the external tray. The check device includes an upper pillar portion and a lower pillar portion extending from the upper pillar portion. The upper pillar portion has a thickness greater than a predetermined separation distance and the lower pillar portion has a thickness smaller than the predetermined separation distance. A first surface of the check device is planar and a second surface of the check device opposite the first surface has a step portion corresponding to a thickness difference between the thickness of the upper pillar portion and the thickness of the lower pillar portion.

Abstract: A method of detecting an occurrence of misassembled or misalignment of an inner tray during operation of a battery cell activation tray including an outer tray and the inner tray, the method includes installing a distance measuring sensor or an object detection sensor on the outer tray, and measuring a distance to one side surface of the inner tray in a longitudinal direction with the distance measuring sensor at two or more places spaced apart from each to compare the measured distance to a distance to a reference plane where the one side surface of the inner tray in the longitudinal direction is located in a normal state or determining that the misassembly of the inner tray or the misalignment of the inner tray during operation occurs depending on whether the inner tray is detected by the object detection sensor, respectively. A battery cell activation tray is also provided.

Abstract: Disclosed is a compact integrated apparatus of an interferometric radar altimeter (IRA) and a radar altimeter (RA) capable of performing individual missions by altitude, which includes: a plurality of antennas; a signal processing control unit selecting an RA mode at a low altitude and selecting an IRA mode at a high altitude based on a mode threshold and selecting an FMCW waveform at the low altitude and selecting an FM pulse waveform at the high altitude based on a waveform threshold; and a transceiving unit transmitting a signal by a first antenna positioned at an outermost portion among the plurality of antennas and receiving a signal by an nth antenna positioned at another outermost portion among the plurality of antennas in the RA mode and transmitting a signal through the first antenna and receiving signals through the plurality of antennas in the IRA mode.

Abstract: Disclosed is a compact integrated apparatus of an interferometric radar altimeter (IRA) and a radar altimeter (RA) capable of performing individual missions by altitude, which includes: a plurality of antennas; a signal processing control unit selecting an RA mode at a low altitude and selecting an IRA mode at a high altitude based on a mode threshold and selecting an FMCW waveform at the low altitude and selecting an FM pulse waveform at the high altitude based on a waveform threshold; and a transceiving unit transmitting a signal by a first antenna positioned at an outermost portion among the plurality of antennas and receiving a signal by an nth antenna positioned at another outermost portion among the plurality of antennas in the RA mode and transmitting a signal through the first antenna and receiving signals through the plurality of antennas in the IRA mode.

Abstract: A ship-collision prevention system and method for preventing a collision between ships at sea including a ship-collision avoidance guiding system using a time series graphic display, and guiding system displays, in a time series graph, depicting changes in relative distance according to time with respect to respective ships and obstacles on the basis of information provided from an electronic chart display and information system (ECDIS) and a radar system, wherein, whether other ships are on portside or starboard is displayed on the basis of radar information, and a notification through an alarm or the like if a distance to a specific ship has matched a predetermined threshold value or less, and effectively preventing a collision between ships at sea, and simultaneously, enabling a simulation for a crossing event and avoidance by inputting a random value.

Abstract: An apparatus for determining a roll posture of a projectile includes: at least one thermopile sensor sensing a temperature of a side of the projectile; and a signal processor determining a roll posture of the projectile by using an output signal output as a result of the sensing by the at least one thermopile sensor.

Abstract: An apparatus for determining a roll posture of a projectile includes: at least one thermopile sensor sensing a temperature of a side of the projectile; and a signal processor determining a roll posture of the projectile by using an output signal output as a result of the sensing by the at least one thermopile sensor.