Abstract: The present invention relates to a ballast water treatment system including an air compressor for compressing air; an air receiver tank for receiving the compressed air from the air compressor and storing the compressed air; an oxygen generator for generating oxygen from the air supplied from the air receiver tank; an oxygen receiver tank for storing the oxygen supplied from the oxygen generator; an ozone generator for generating ozone from the oxygen supplied from the oxygen receiver tank; a ballast water pump for pumping ballast water; an inflow line for transferring the ballast water from the ballast water pump; a ballast water tank for receiving the ballast water from the inflow line and storing the ballast water; and an ozone injector for injecting the ozone into the ballast water of the inflow line.

Abstract: A method of manufacturing a metal hybrid, heat-dissipating material includes the steps of (a) preparing a spherical metal powder and a flake graphite powder having an aspect ratio greater than 1, respectively; (b) preparing a powder mixture by inserting only the spherical metal powder and the flake graphite powder into a container, followed by dry mixing the powder mixture using a multi-axial mixing method for rotating or vibrating the container about two or more different rotation axes without any liquid input and without any mixing aids; (c) manufacturing a green compact by pressing the powder mixture; and (d) sintering the green compact to provide the metal hybrid, heat-dissipating material.

Abstract: A smart drilling system includes a terminal configured to map a design space to an actual space and having perforation location information in the design space, a drilling machine including a drill for perforation and configured to perform perforation in the actual space under control of the terminal based on the perforation location information, and a total station configured to acquire location information of a reference point in the actual space for mapping the design space to the actual space and location information of the drilling machine in the actual space, and to transmit the location information of the reference point in the actual space and the location information of the drilling machine to the terminal, wherein the terminal recognizes and displays a perforable region or a perforable point at a current position of the drilling machine.

Abstract: This application relates to a method for adjusting a user interface displayed on a user device using a masking layer, for example, so as to hide or block account information. In one aspect, the method includes displaying one or more accounts included in account information received from a financial institution server on a screen of the user device. The method may also include displaying a masking layer to cover a balance display area of the accounts displayed on the screen. The method may further include, if a touch event dragged in one direction occurs on the balance display area, adjusting a size of the masking layer using a length between a touch start point and a touch end point of the touch event. The method may further include, when the touch event ends, readjusting the size of the masking layer to cover the balance display area.

Abstract: The present invention relates to a continuous production-type 3D printing method comprising: installing a build platform on a metal conveyor belt so as to be inclined at a predetermined angle to the upper surface of the belt; and repeatedly performing a printing process of applying a photocurable ink composition layer by layer on the top surface of the build platform, and selectively curing the applied photocurable ink composition by irradiating thereto a light pattern through a light irradiation means, wherein by driving the conveyor belt, printed material blocks stacked on the conveyor belt are transferred in one direction in accordance with the speed of the printing process such that print spaces for subsequent layers can be continuously secured through the transfer of the printed material blocks.

Abstract: The present application relates to a polarization-variable element. The polarization-variable element of the present application has a fast response speed and excellent variable characteristics of polarization degree and transmittance. Such polarization-variable element may be applied to various applications including various architectural or vehicle materials requiring transmittance-variable characteristics, or eyewear such as goggles for augmented reality experience sports, sunglasses or helmets.

Abstract: An example disclosed method in accordance with some embodiments includes: receiving head tracking position information from a client device, the head tracking position information associated with a user at the client device; predicting a future head position of the user at a scan-out time for displaying a virtual reality (VR) video frame, wherein the VR video frame is displayed to the user via the client device; determining an overfill factor based on an expected error in the predicted future head position of the user; rendering an overfilled image based on the predicted future head position of the user and the overfill factor; and sending the VR video frame including the overfilled image to the client device for display to the user.

Abstract: A leaf spring may include: an upper plate provided with arc-shaped portions which are integrally formed on both end portions thereof, respectively, for forming spring eyes; a lower plate disposed to overlap a lower side of the upper plate and provided with arc-shaped portions which are integrally formed on both end portions thereof, respectively, and face the arc-shaped portions of the upper plate to form the spring eyes; clamping units installed to restrain the both end portions of the overlapped upper and lower plates from being separated from each other; and a central fastening unit configured to fasten central portions of the overlapped upper and lower plates.

Abstract: A method includes obtaining a color transformation matrix that removes color distortion of an original color histogram of a target color space for an input image of an original color space; obtaining a color transformation image of the original color space from which color distortion of the input image is removed using the color transformation matrix; and obtaining a space transformation image with a minimum target loss value between an output vector of a neural network for one of candidate images and each of a plurality of candidate class vectors of the input image, the candidate images being spaced apart from the color transformation image of the original color space by a distance less than a threshold.

Abstract: Disclosed are a device and a method for user authentication using a security card. The device for user authentication comprises: a card reader which, when a card is recognized, acquires a face image stored in the card; an infrared light source which emits infrared rays toward a user; an infrared camera which acquires an infrared image including the facial region of the user; a color camera which acquires a color image including the facial region of the user; and a control unit which determines a result of user authentication on the basis of at least one of the infrared image, the color image, and the face image, and generates a control signal according to the result of user authentication.

Abstract: The present application relates to a light modulating device and an eyewear. The present application can provide a light modulation device having both excellent mechanical properties and optical properties by applying a polymer film that is also optically anisotropic and mechanically anisotropic to a substrate.

Abstract: The present invention relates to a method of driving a ballast water treatment system. The ballast water treatment system includes an air compressor for compressing air, an air receiver tank for storing the compressed air, an oxygen generator for generating oxygen from the air, an oxygen receiver tank for storing the oxygen, an ozone generator for generating ozone from the oxygen, a ballast water pump for pumping ballast water, an inflow line for transferring the ballast water, an ozone injector for injecting the ozone into the inflow line, and a destructor for purging the ozone. The driving method includes a step of pressing a stop button to stop the ballast water treatment system, a step of purging ozone generated in the ozone generator, and a step of stopping each device of the ballast water treatment system.

Abstract: Provided is a pharmaceutical composition for preventing and treating tumors, the pharmaceutical composition including an imidazooxazole derivative compound, a solvate, a stereoisomer, or a pharmaceutically acceptable salt thereof as an active ingredient. The pharmaceutical composition is administered to an entity which has developed a tumor or is in danger of developing a tumor, and thus tumors can be prevented or treated.

Abstract: Provided is a current collector 30, including a metal foil 5 having a plurality of first through holes 5a, a metal oxide film 15 formed on a top or bottom surface of the metal foil 5, and a conductive layer 25 formed on a top or bottom surface of the metal oxide film 15. The plurality of first through holes 5a is filled with a conductive connection member 10 to form the metal foil 5. The metal oxide film 15 is formed to have second through holes 15a at locations corresponding to the plurality of first through holes 5a, respectively, on the top or bottom surface of the metal foil 5. The conductive layer 25 is formed to have a third through hole 25a at a location corresponding to each of the second through holes 15a on a top or bottom surface of the metal oxide film 15.

Abstract: An ionic wind generator and an electronic device having a heat dissipation function using the same are proposed. The ionic wind generator includes a power module; a first electrode configured to receive power from the power module by being connected to the power module to become an emitter electrode; and a second electrode spaced apart from the first electrode and grounded and at the same time connected to the power module to become a counter electrode. In addition, the first electrode is configured as a carbon brush including multiple carbon fibers. Accordingly, in the ionic wind generator, the emitter electrode is configured as the carbon brush having multiple carbon fibers.

Abstract: A method and apparatus for classification using a neural network. A classification apparatus includes at least one processor and a memory. The memory is configured to store a classifier and a preprocessor including a defensive noise generator. The at least one processor generates defensive noise from an input image through the defensive noise generator in the preprocessor, generates a combined image by combining the input image and the defensive noise, and outputs a classification result by inputting the combined image to the classifier.

Abstract: A light modulation element that can vary between a bright transparent mode and a dark scattering mode is provided. The light modulation element has a first light modulation layer and a second light modulation layer comprising nematic liquid crystals and a dichroic dye in a scattering mode when a voltage is applied. The first light modulation layer and the second light modulation layer are disposed to overlap each other. The light modulation element has an improved contrast ratio and haze-variable characteristics, without precipitation of dichroic dyes and an increase in power consumption.

Abstract: A light modulation device is disclosed herein. In some embodiments, a light modulation device includes a first polymer film substrate, a second polymer film substrate, an active liquid crystal layer disposed between the first and second polymer film substrates, wherein the active liquid crystal layer is capable of switching between a first orientation state and a second orientation state when a voltage is applied, and a polarizer, wherein each of the first and second polymer film substrates have in-plane retardation of 4,000 nm or more for light having a wavelength of 550 nm, a ratio of an elongation (E1) in a first direction to an elongation (E2) in a second direction perpendicular to the first direction of 3 or more, and wherein an angle formed by the first directions of the first and second polymer film substrates is in a range of 0 degrees to 10 degrees.

Abstract: A suspension system for a vehicle with a composite spring may include: a first longitudinally mounted spring 10 and a second longitudinally mounted spring 20 generating vertical stiffness of a vehicle; and a transversely mounted spring 30 generating roll stiffness and connected to the first and second longitudinally mounted springs. In particular, the transversely mounted spring 30 is connected to a vehicle body 1 by a support member 40. Stiffness of the vehicle may be further strengthened during a longitudinal behavior and a rolling behavior of the vehicle, and thus, running stability may be significantly enhanced.

Abstract: The present invention relates to a micro Light Emitting Diode (LED) matrix array package, including: a plurality of light emitting devices including a base substrate and a semiconductor laminated layer formed on the base substrate; a plurality of solder balls formed on the semiconductor laminated layer of the plurality of light emitting devices, respectively; a molding member configured to surround the light emitting devices and the solder balls; and a circuit board formed on the molding member, in which upper surfaces of the solder balls are exposed from the molding member, the circuit board includes a contact layer consisted of a metal pattern layer electrically connected with the plurality of solder balls exposed from the molding member and an insulating layer adjacently disposed to the metal pattern layer, and a thickness from the base substrate of each of the plurality of light emitting devices to an upper surface of each of the exposed solder balls is the same each other.