Abstract: The disclosure defined by this invention provide a tidal current power generator capable of maximizing the force, which is generated by tidal current flows, through changing operating direction itself without any manual operation when water flow direction is changed. According to an exemplary embodiment, a tidal current power generator includes a main frame; a plurality of operating bodies; a plurality of power plates configured to forcibly move the plurality of operating bodies in the direction of the tidal current by the force of the tidal current; a pair of clutch jaws engaged with or spaced from each other by axial movement of an outer pipe; a locking part configured to move the outer pipe so that each of the clutch jaws is engaged with each other; and a release part configured to move the outer pipe so that each of the clutch jaws is spaced apart from each other.

Abstract: A head-mounted display device includes a first reflective polarizer having a first optical surface and a second optical surface that is opposite to the first optical surface. The first optical surface of the first reflective polarizer is curved, and the first reflective polarizer is configured to reflect light having a first polarization. The head-mounted display device also includes a first electronic display configured to project toward the first reflective polarizer a light pattern. At least a portion of the light pattern is reflected by the first reflective polarizer. Also disclosed is a method, which includes directing a light pattern from the first electronic display toward the first reflective polarizer and reflecting at least a portion of the light pattern toward an eye of a user.

Abstract: Provided is a tactile display tablet capable of stably and fast driving a braille display, which includes: a control unit generating a tactile map including information on entire tactile pixels based on output data of a connected user terminal or output data of a self-driven application; a tactile divider unit extracting differential data on the tactile map based on a difference between a tactile map currently received from the control unit and a previously received tactile map, and generating first division differential maps by dividing the differential data; a first slave unit configured to generate second division differential maps by dividing the first division differential maps; a second slave unit generating third division differential maps by dividing the second division differential maps; and a third slave unit for implementing a tactile display according to the entire tactile pixels based on the third division differential maps.

Abstract: Provided is a swine fever antigen fused with a porcine Fc fragment, and more particularly, to a vaccine composition having an autoimmune-enhancing effect by binding the Fc fragment to a swine fever antigen, and a preparation method thereof.

Abstract: The disclosed apparatus may include a planar substrate including a first dimension, a second dimension perpendicular to the first dimension, and a thickness perpendicular to a plane defined by the first dimension and the second dimension. The planar substrate may include material that is transparent to at least one wavelength band of visible light and at least one wavelength band of infrared light. The apparatus may also include a plurality of reflective segments embedded in the planar substrate and distributed along the plane. The face of each reflective segment may be oblique to the plane. In addition, the reflective segments may be transparent to the wavelength band of visible light and at least partially reflective to the wavelength band of infrared light. Various other systems and methods are also disclosed.

Abstract: A head-mounted display device includes a first reflective polarizer having a first optical surface and a second optical surface that is opposite to the first optical surface. The first optical surface of the first reflective polarizer is curved, and the first reflective polarizer is configured to reflect light having a first polarization. The head-mounted display device also includes a first electronic display configured to project toward the first reflective polarizer a light pattern. At least a portion of the light pattern is reflected by the first reflective polarizer. Also disclosed is a method, which includes directing a light pattern from the first electronic display toward the first reflective polarizer and reflecting at least a portion of the light pattern toward an eye of a user.

Abstract: The present disclosure relates to an over-voltage prevention apparatus and method of a distribution line connected with a distributed generator, which sets a range of a dispatched voltage based on a current voltage of a Pole Mounted Automatic Voltage Regulator (PVR) and a voltage at a connection point of a distributed generator to control so that the dispatched voltage is output within the corresponding range.

Abstract: Provided are a piezoelectric device and a method of fabricating the same and the piezoelectric device may include a substrate including a 3-dimensional pattern surface layer; and a piezoelectric material layer, which is formed on the pattern surface layer and forms a 3-dimensional interface with the pattern surface layer.

Abstract: A lens assembly and a method of making the assembly are described. The lens assembly includes a first lens and a second lens slidably coupled with the first lens. The second lens includes a silicone material and has a Fresnel pattern surface. Also described is a display device including the lens assembly and an array of light emitting devices coupled with the lens assembly for outputting light through the lens assembly.

Abstract: An apparatus and method for providing one or more protocols for one or more electronic devices are provided. The method includes establishing, by an electronic device configured to provide a framework interface by executing instructions stored in a memory, one or more physical channels with an external electronic device, using one or more communication modules, executing, by the electronic device, two or more application programs to interface with the framework interface, and communicating, via the framework interface, data from the two or more application programs through the one or more physical channels to the external electronic device, using at least one logical channel or session for a respective one of the two or more application programs.

Abstract: An apparatus performs a method for providing a touch interface. The method includes receiving a touch input from a touch detection unit, detecting touch characteristics according to the touch input, and generating events different from each other according to the detected touch characteristics.

Abstract: An electronic device for making a payment is provided. The electronic device includes a display configured to receive a user command, a transceiver configured to communicate with an external device, and a processor configured to request a token associated with a financial service from a payment server when a user requests the financial service and to generate data for providing the financial service by using the token and service information when the token and the service information associated with the financial service is received from the payment server.

Abstract: The present invention relates to a method for producing a curved display, which produces a curved display using a flat display module. A method for producing a curved display, according to one embodiment of the present invention, is to produce a curved display using a flat display module, the method comprising the steps of: masking the display module with a masking element so as to cover parts of the upper plate and the lower plate thereof, in which a masking area of the upper plate and a masking area of the lower plate are disposed asymmetrically up and down; etching the display module to a preset thickness so as to reduce the thickness of the display module except for the masking areas in the masked display module; removing the masking element from the display module after the etching step; and curving the display module.

Abstract: Provided are a method of preparing in vitro-matured intestinal organoids, and intestinal organoids prepared by the method.

Abstract: A method for making a hybrid lens includes providing, in a mold having a first Fresnel pattern, (i) a first lens and (ii) a silicone material comprising silicone and curing the silicone material in the mold to form a hybrid Fresnel lens. The cured silicone material is mechanically coupled with the first lens; and the cured silicone material has a second Fresnel pattern that corresponds to the first Fresnel pattern. A hybrid lens made by this method is also described. A hybrid lens includes a first lens mechanically coupled with a cured silicone material. The cured silicone material has a Fresnel pattern on a surface that faces away from the first lens.

Abstract: An apparatus performs a method for providing a touch interface. The method includes receiving a touch input from a touch detection unit, detecting touch characteristics according to the touch input, and generating events different from each other according to the detected touch characteristics.

Abstract: An electronic device for making a payment is provided. The electronic device includes a display configured to receive a user command, a transceiver configured to communicate with an external device, and a processor configured to request a token associated with a financial service from a payment server when a user requests the financial service and to generate data for providing the financial service by using the token and service information when the token and the service information associated with the financial service is received from the payment server.

Abstract: A refrigerator is provided. The refrigerator includes a body having a storage compartment, an ice making device, and an ice bucket to store the generated ice. The ice bucket includes an ice bucket body, an ice storage space inside the ice bucket body, and a spacing member to allow ice to be spaced apart from the ice bucket body toward the ice storage space to secure a flow path of cool air, so that the cool air smoothly flows inside the ice bucket body. A full-ice detecting sensor having an emitter and a receiver to receive optical signals is provided. A control unit determines a full-ice status by receiving an output value of signals received from the full-ice detecting sensor.

Abstract: The present invention relates to a method, an apparatus, and a computer-readable medium for providing an internet browsing service through a tactile interface device, and more particularly, to a method, an apparatus, and a computer-readable medium for providing an internet browsing service through a tactile interface device, which allow a visually impaired person to intuitively use, interact, and control the tactile interface device that corresponds to a multi-array tactile cell-based smart braille device in order to increase the efficiency of the use of a smart device (smart phone, smart pad, etc.) or a smart braille device and to improve the level of informatization of the visually impaired person, so that the visually impaired person may intuitively use the content of a web page.

Abstract: A broadcast receiving system capable of receiving mobile broadcast data and a method for processing broadcast signals are disclosed. The broadcast receiving system includes N number of antenna elements, a demodulator, a transmission parameter detector, and a block decoder. The N number of antenna elements receives each of the broadcast signals. The demodulator demodulates the broadcast signal having greater signal strength among each of the received broadcast signals. The transmission parameter detector detects the transmission parameter. The block decoder symbol-decodes the mobile broadcast service data included in the received broadcast signal in block units, based upon the detected transmission parameter.