Abstract: A concentration of a fuel supplied to a fuel cell and a heat exchange rate of a heat exchanger are controlled simultaneously in order to maintain a temperature of fuel cell stack and a diluted fuel concentration that is supplied to the fuel cell stack in a target level. Further, by appropriately responding to an exterior temperature changes or unexpected fuel cell performance changes, it is possible to improve a system efficiency and stability of fuel cell operation and to regulate the fuel concentration quickly and accurately compared to a prior sensor-less concentration controller.

Abstract: A semiconductor device and a method of manufacturing a semiconductor device, the device including an active fin protruding from a substrate and extending in a first direction, a first device isolation region disposed at a sidewall of the active fin and extending in a second direction, the second direction crossing the first direction, a normal gate electrode crossing the active fin, a first dummy gate electrode having an undercut portion on the first device isolation region, the first dummy gate electrode extending in the second direction, and a first filler filling the undercut portion on the first device isolation region, wherein the undercut portion is disposed at a lower portion of the first dummy gate electrode.

Abstract: An embodiment of the present invention provides an actuator module which can be equipped with a motor, a reduction gear and a control circuit, the actuator module comprising: a first housing which can have an active shaft, connected to a motor, pass through and be coupled thereto; and a second housing which is coupled to the first housing and has a passive idler horn, provided in a position in correspondence with the active shaft, pass through and be coupled thereto, wherein the idler horn has interposed a tube-shaped bearing, having a hollow portion formed in the center thereof, is coupled to a side of the second housing, and can have a cable connected into the second housing through the hollow portion of the tube-shaped bearing.

Abstract: An embodiment of the present invention provides a device for attaching/detaching an idler horn for an actuator module which can have a motor, a reduction gear and a control circuit equipped therein. The device, for attaching/detaching an idler horn, comprises: a ring-shaped elastic switch which surrounds the inner end part of a cylindrical hollow portion provided on one side of a housing that forms the outer skin of an actuator module; and a ring-shaped cover member which is for fixing the ring-shaped elastic switch, wherein the ring-shaped elastic switch can be selectively attached/detached to/from an idler horn by means of elasticity.

Abstract: A semiconductor device includes a fin-type pattern including a first short side and a second short side opposed to each other, a first trench in contact with the first short side, a second trench in contact with the second short side, a first field insulating film in the first trench, the first field insulating film including a first portion and a second portion arranged sequentially from the first short side, and a height of the first portion being different from a height of the second portion, a second field insulating film in the second trench, and a first dummy gate on the first portion of the first field insulating film.

Abstract: A method of determining a learning area of injector opening duration according to the present exemplary embodiment divides an entire control area for controlling opening duration of an injector into a learning map area which needs learning and a reference map area which uses an already prepared reference map as is without learning, and a period from a minimum injection time to a minimum linear injection time of the injector is determined as the learning map area, and a period from the minimum linear injection time to a maximum injection time is determined as the reference map area.

Abstract: A method and an electronic device are provided. An electronic device wirelessly connects to another electronic device including a camera unit, receives image data from the other electronic device, displays an image using the image data, receives a user input for changing a photographic composition, and transmits, to the other electronic device, a control signal formed based on the user input.

Abstract: A robot assembling device is provided including a storage configured to store a 3-dimensional (3D) image file with respect to a plurality of components configuring a robot, an identification (ID) with respect to each of a plurality of robot modules operating the plurality of components or related thereto, position information, characteristic information, required voltage information, information on an electrical connection between the plurality of robot modules, and information on an electrical connection the plurality of robot modules and a controller configured to control the plurality of robot modules, and a robot assembly viewer configured to display a 3D image with respect to each of the plurality of components, and display information regarding at least one among the plurality of robot modules, which is connectable to the controller, and information regarding robot modules connectable to each other on an assembly display window using information on an electrical connection.

Abstract: A device for editing and playing a robot motion comprises: a storage configured to store a 3D image file of a robot and further store time-dependent stationary postures of the robot edited by a user input in units of key frames; and a robot motion viewer configured to display, as a video, motion units of the robot obtained by connecting the stationary postures stored in units of key frames using an interpolation technique.

Abstract: A silicon carbide powder according to the embodiment includes nitrogen having a concentration in a range of about 100 ppm to about 5000 ppm. A method for manufacturing silicon carbide powder according to the embodiment includes preparing a mixture by mixing a silicon source including silicon with a solid carbon source or a carbon source including an organic carbon compound; heating the mixture; cooling the mixture; and supplying a nitrogen-based gas into the mixture.

Abstract: A method and an electronic device for providing a screen mirroring service are provided. The method includes connecting a control channel to at least one other electronic device when an electronic device executes a screen mirroring service, transmitting screen data comprising an added virtual key, to the other electronic device, and performing a function based on a control signal corresponding to using the virtual key received from the other electronic device over the control channel.

Abstract: Disclosed is an apparatus for controlling a fuel concentration of a liquid fuel cell apparatus by voltage amplitude control-based feed-back control without using a concentration sensor, which saves power consumed by the fuel cell apparatus and lowers a price of the fuel cell apparatus by using the fuel cell in a simple and small design without using a concentration sensor.

Abstract: A battery pack includes unit cells disposed side-by-side, a connection board connecting the unit cells in series and/or in parallel, the connection board including position fixing portions on a first surface, a protection circuit module electrically connected to the connection board, and a first connecting tap and a second connecting tap disposed on the connection board to electrically connect the unit cells and the connection board. At least one of the first connecting tap and the second connecting tap includes one end connected to the unit cells and an other end, the other end including a plurality of bridges at a lower side thereof. The bridges are inserted into the position fixing portions.

Abstract: Disclosed is an electrolyte for a redox flow battery including at least one additive selected from the group consisting of a taurine compound and an amino acid compound. Thus, it is possible to provide an electrolyte for a redox flow battery which may have high solubility of active materials, be stable at high temperature or high pH, and show excellent electrochemical properties. In addition, when the electrolyte for a redox flow battery includes a nitrogen (N)-containing organic molecule having high redox activity as an active material, it is possible to realize a high-efficiency demetallized redox flow battery capable of solving the problems of dendrite formation or irreversible precipitation fundamentally.

Abstract: A graphic processing unit, a graphic processing system comprising the same, and a rendering method using the same. The graphic processing unit includes a geometry processing unit configured to receive a vertex and to output a primitive and information about texture patches corresponding to the primitive using the vertex, and a rendering processing unit configured to convert the output primitive into a fragment and to perform fragment shading on the converted fragment, wherein the texture patch indexed by the texture patch information is pre-loaded to the rendering processing unit before the fragment shading is performed.

Abstract: A tessellation method includes assigning a tessellation factor to each of a plurality of points in a patch and generating, in the vicinity of a first point of the plurality of points, at least one new point based on a first tessellation factor assigned to the first point. The at least one first new point corresponds to the first point.

Abstract: The present invention relates to a method and a process of preparing precipitated calcium carbonate of high purity by extracting calcium ion contained in an alkali ion-containing inorganic material such as mineral, steelmaking slag and waste concrete with the use of an acidic aqueous solution, separating other metal ions from the extracted solution, preparing an alkaline earth metal hydroxide using an alkaline aqueous solution and then contacting the same with carbon dioxide.

Abstract: A method of emitting wavelength-swept light includes controlling either one or both of magnitudes and on/off timings of currents to be applied to a first gain medium of a first optical generator and a second gain medium of a second optical generator to control an intensity and a wavelength region of each of first wavelength-swept light and second wavelength-swept light; generating the first wavelength-swept light having a first center wavelength based on the current applied to the first gain medium of the first optical generator; generating the second wavelength-swept light having a second center wavelength based on the current applied to the second gain medium of the second optical generator; and emitting output wavelength-swept light by coupling the first wavelength-swept light and the second wavelength-swept light.

Abstract: A system and method for providing an image capable of realizing conversion of a 3D tissue structure into which an implant is inserted into a 2D image using a contour technique are provided.

Abstract: Disclosed is a multi-input reduction gear having an input/output position feedback, including: a reduction gear body including an input unit and an output unit; an output feedback unit which is detachably provided in the reduction gear body and detects a position of the output unit; an input mediating unit which is detachably provided in the reduction gear body, is connected to a shaft of a power source, and transmits power to the input unit; and an input feedback unit which is stacked between and coupled to the reduction gear body and the input mediating unit and detects a position of the input unit.