Abstract: An intraoral scanner having a tomographic imaging function includes an OCT body configured to obtain an internal cross-sectional image of an oral structure and detecting reflected light; an OCT scan probe configured to irradiate the layer measurement light emitted from the OCT body onto the oral structure and transfer the reflected light to the OCT body; and a control/processing unit configured to control the OCT body, take tomographic images of the oral structure at two or more positions, obtain two or more two-dimensional cross-sectional images of the oral structure, extract an abrasion or filling area for the respective two-dimensional cross-sectional images, calculate cross-sectional position information of the abrasion or filling area, then arrange the position information of the abrasion or filling area, and obtain three-dimensional shape information of the abrasion or filling area.

Abstract: A combined power generation system includes a gas turbine, a heat recovery steam generator (HRSG) configured to heat feedwater using combustion gases discharged from the gas turbine and having a high-pressure section, a medium-pressure section, and a low-pressure section having different pressure levels, an ammonia decomposer decomposing ammonia with the combustion gases discharged from the gas turbine, a first exhaust gas line through which the exhaust gases discharged from the gas turbine are transferred to the HRSG, a second exhaust gas line through which the exhaust gases discharged from the gas turbine are transferred to the ammonia decomposer, a third exhaust gas line through which the exhaust gases discharged from the ammonia decomposer are transferred to the HRSG, and a decomposed gas transfer tube connecting the ammonia decomposer and the combustor to transfer decomposed gases generated with the decomposition of ammonia to the combustor.

Abstract: A combined power generation system includes a gas turbine, a heat recovery steam generator (HRSG) generating steam using combustion gas from the gas turbine, a vaporizer vaporizing liquefied ammonia, an ammonia decomposer section decomposing ammonia with the combustion gas, a first exhaust gas line through which exhaust gas from the gas turbine is transferred to the HRSG, a steam turbine generating a rotational force with the steam from the HRSG, a decomposed gas supply line through which decomposed gases generated in the ammonia decomposer section are supplied to a combustor, and a cold heat transfer line absorbing cold heat of the liquefied ammonia and supply the cold heat to the condenser section, and a condenser section condensing the steam from the steam turbine.

Abstract: A micro-mixer includes a plurality of fuel tubes through which air and fuel flow, a casing accommodating the plurality of fuel tubes therein, and a plurality of injection parts each formed as a pyramidal protrusion on one side of the casing and connected to a front end of the fuel tube to inject the air and the fuel, wherein each of the plurality of injection parts has an inclined injection hole formed obliquely with respect to an extension direction of the plurality of fuel tubes on at least one side of the pyramidal protrusion.

Abstract: A micro-mixer includes a plurality of fuel tubes through which air and fuel flow, a casing accommodating the plurality of fuel tubes therein, an injection part formed as a pyramidal protrusion on one side of the casing and connected to a front end of the fuel tube to inject the air and the fuel, and a fuel supply divided into a plurality of fuel supply parts to supply the fuel to the fuel tubes.

Abstract: A secondary battery includes an electrode assembly, a current collector coupled to the electrode assembly, a case accommodating the electrode assembly and the current collector, a cap plate coupled to the case, the cap plate sealing the electrode assembly and the current collector in the case, and a terminal plate connected to the current collector, the terminal plate being exposed through the cap plate, wherein the current collector is welded to at least one of the electrode assembly and the terminal plate by both a dual beam welding and a wobble welding.

Abstract: A combustor includes an outer can into which fuel is introduced, an outer head disposed on a front side of the outer can, an inner can disposed inside of the outer can and having a combustion chamber in which a fuel-air mixture is combusted, and an inner head disposed to mix the fuel and the compressed air and supply the mixture into the inner can. The inner head includes a head plate covering a front side of the inner can, and nozzle assemblies disposed to mix the fuel and the compressed air and supply the mixture rearwards. The nozzle assembly includes a nozzle head into which fuel is introduced and nozzles. The nozzles each is coupled between the nozzle head and the head plate to mix the fuel and the compressed air and supply the mixture rearwards.

Abstract: Disclosed are a method and a device for transmitting and receiving a signal, the method including: identifying a downlink signal-only transmission section in which a first electronic device transmits a downlink signal to a second electronic device, and transmitting the signal in the downlink signal-only transmission section; detecting at least one symbol that has a power value relatively higher than a predetermined threshold value; estimating, on the basis of the detected at least one symbol, an interference channel in which a self-interference signal occurs; detecting the self-interference signal; and identifying an FDX transmission section in which an uplink signal is received from the second electronic device and the downlink signal is transmitted simultaneously, and processing transmission of the downlink signal and reception of the uplink signal in the FDX transmission section, wherein the reception of the uplink signal is processed by removing the self-interference signal occurring in the interference c

Abstract: The present invention provides an electronic shift range switching device (10) which is configured to control a shift range of a vehicle, the device comprising: a housing unit (100); a shifting knob unit (200) exposed at one end thereof to the outside of the housing unit (100) and disposed at the other end thereof within the hosing unit (100) in such a manner as to be rotatable with respect to the housing unit (100); and a locking correction integrated unit (300) configured to control whether or not to interrupt the rotation of the shifting knob unit (200) and to return a position of the shifting knob unit (200) to a P shift range in a self-correction manner under a predetermined condition.

Abstract: A method and an apparatus for estimating synchronization of a broadcast signal in a time domain using a synchronization estimation signal through steps of: performing a correlation operation using a correlation window on a plurality of synchronization estimation signals separated to a plurality of paths and outputting a plurality of correlated signals; delaying the plurality of correlated signals to output a plurality of delayed signals; and estimating the synchronization using the plurality of delayed signals are provided.

Abstract: A touch structure and a method of manufacturing the touch structure are provided. The method includes: forming a first conductive layer on a base substrate; forming a second conductive layer on the first conductive layer; and patterning the first conductive layer and the second conductive layer to respectively form a first conductive layer pattern and a second conductive layer pattern; the first conductive layer pattern is formed after the second conductive layer pattern is formed, and the first conductive layer pattern and the second conductive layer pattern are different from each other.

Abstract: The present invention relates to: an oil-in-water emulsion composition having a viscosity of 1,500-50,000 cps, and comprising an anionic surfactant and a sugar surfactant so as to satisfy the following relational expression 1; and a cosmetic composition containing the same. [Relational expression 1] 0.01?A/B?1 (In relational expression 1, A is the wt % of the anionic surfactant, and B is the wt % of the sugar surfactant, wherein the wt % of each ingredient is based on the total weight of the composition, and B is 1-30 wt %.

Abstract: A touch structure and a method of manufacturing the touch structure are provided. The method includes: forming a first conductive layer on a base substrate; forming a second conductive layer on the first conductive layer; and patterning the first conductive layer and the second conductive layer to respectively form a first conductive layer pattern and a second conductive layer pattern; the first conductive layer pattern is formed after the second conductive layer pattern is formed, and the first conductive layer pattern and the second conductive layer pattern are different from each other.

Abstract: A method and an apparatus for estimating synchronization of a broadcast signal in a time domain using a synchronization estimation signal through steps of: performing a correlation operation using a correlation window on a plurality of synchronization estimation signals separated to a plurality of paths and outputting a plurality of correlated signals; delaying the plurality of correlated signals to output a plurality of delayed signals; and estimating the synchronization using the plurality of delayed signals are provided.

Abstract: A display device is disclosed. The display device according to various exemplary embodiments includes a display, a communicator configured to communicate with an external device, a first nearby device, and a second nearby device, and a processor configured to control the communicator to transmit each of a first image which is received from the external device and a second image which is received from the first nearby device to the second nearby device, and control the display to display at least one of the first image and the second image.

Abstract: Disclosed are a method and a device for transmitting and receiving a signal, the method including: identifying a downlink signal-only transmission section in which a first electronic device transmits a downlink signal to a second electronic device, and transmitting the signal in the downlink signal-only transmission section; detecting at least one symbol that has a power value relatively higher than a predetermined threshold value; estimating, on the basis of the detected at least one symbol, an interference channel in which a self-interference signal occurs; detecting the self-interference signal; and identifying an FDX transmission section in which an uplink signal is received from the second electronic device and the downlink signal is transmitted simultaneously, and processing transmission of the downlink signal and reception of the uplink signal in the FDX transmission section, wherein the reception of the uplink signal is processed by removing the self-interference signal occurring in the interference c

Abstract: Disclosed herein are a method for providing an ad-hoc broadcast service based on channel sharing and an apparatus for the same. The method is configured such that a master broadcast transmitter for providing an ad-hoc broadcast service receives a request to share a channel from a new broadcast transmitter, allocates one of multiple subframes, into which the transmission frame of any one broadcast channel corresponding to the ad-hoc broadcast service is divided, to the new broadcast transmitter, and controls the new broadcast transmitter in real time by performing synchronization with the new broadcast transmitter based on reference time information included in a control Physical Layer Pipe (PLP).

Abstract: The present invention relates to a system for tracking an object. The system includes an image capturing unit configured to capture a video of a predetermined observation area and output the captured video; and a multi-object tracker configured to output an object-tracking image by tracking multiple objects within an object image which is generated by extracting the objects from each of image frames obtained from the video obtained from the image capturing unit, wherein the multi-object tracker determines whether occlusion of the objects or hijacking occurs while performing multi-object tracking, and when it is determined that at least one of the occlusion and hijacking occurs, the multi-object tracker outputs the object-tracking image corrected by removing the occurring occlusion or hijacking.

Abstract: Provided are an apparatus and method for generating a best-view image centered on a object of interest in multiple camera images. The apparatus and method for generating a best-view image centered on a object of interest in multiple camera images accurately provide a best-view image clearly showing a figure, a motion, or the like of a object of interest desired by a viewer by selecting the best-view camera image on the basis of a criterion of a judgment about the best-view image centered on the object of interest.

Abstract: The present invention relates to a method of transmitting a screen of a virtual machine using a hardware-based graphic processing unit (GPU) and an apparatus using the same, by which the hardware-based GPU is virtualized and thus the screen of the virtual machine (VM) is efficiently transmitted. A method of transmitting a screen of a virtual machine using a hardware-based GPU according to the present invention includes checking whether a client is connected or not and whether or not the connected client makes a request for VM screen transmission; checking whether or not the screen is changed when the connected client makes the request for the VM screen transmission; performing screen capture every a predetermined screen capture time when the screen is changed, and waiting until the screen is changed when there is no screen change; and transmitting the captured screen using video compression and encoding.