Abstract: The wheel-type high-speed railway system includes rails provided on a railroad track and configured such that wheels provided in a bogie of a vehicle come into contact with them, a support provided on a tread surface of a railroad track between the rails, a repulsive Linear Synchronous Motor (LSM) provided between the bogie and the support and configured to improve traveling performance by reducing axle load in a high-speed region, first and second steel plates mounted on both sides of the support in inclined positions, and first and second attractive Dynamic Motion Control (DMC) magnets mounted on the bogie of the vehicle in inclined positions to correspond to the first and second steel plates, and configured to generate attractive force.

Abstract: Provided is a tube railway system that reduces noise and air resistance using a sealed evacuated tube as a passage for a tube railway, thereby allowing a train to run at a higher speed. A vacuum division management system and a vacuum blocking screen device for a tube railway system required to maintain vacuum are provided, in which the vacuum blocking screen device is operated to rapidly block a passage for a tube railway in response to an operation signal, is installed at every certain section or at a designated section of the tube railway, and is operated in a specific section when a vacuum maintenance problem occurs, or when the vacuum needs to be released, or when the train needs to stop immediately, thereby allowing the specific section to be isolated from other sections to have a degree of vacuum different from those of the other sections.

Abstract: A thin film transistor includes a gate electrode configured to receive a control voltage, a source electrode insulated from the gate electrode, and configured to receive an input voltage, a drain electrode insulated from the gate electrode, and configured to receive an output voltage, at least two carbon nanotube patterns formed in a channel region between the source electrode and the drain electrode, wherein the carbon nanotube patterns are separated from each other, and at least one floating electrode connecting the two carbon nanotube patterns to each other.

Abstract: A wireless communication interface for a portable wireless terminal and a system for wirelessly communicating by a portable wireless terminal with another device via a free space. The interface facilitates aligning the portable wireless device with another devices for improved communication. The interface including: a light source for generating a data-modulated visible light signal and outputting the visible light signal to the free space; an optical detector for generating an electrical signal by photoelectrically converting the visible light signal input from the free space, and for outputting the electrical signal. A demodulation unit demodulates the electrical signal input from the optical detector, and outputs a data signal.

Abstract: A dryer and a control method thereof, in which load of an object to be dried is detected using a sensor which has less risk of contamination and an anticipated drying time based on the detected load is accurately determined and displayed. The dryer includes a rotatable drum to accommodate the object, a front support installed at an entrance of the drum to support the drum, a rear support installed at an opposite side of the entrance of the drum to support the drum, an exhaust hole formed in the front support, through which interior air of the drum is discharged, and a humidity sensor installed to the front support at a position adjacent to the exhaust hole, the humidity sensor being located upstream of the exhaust hole in a rotating direction of the drum to detect humidity of the air to be introduced into the exhaust hole.

Abstract: Provided is a tube railway system that minimizes noise and air resistance using a sealed evacuated tube as a passage for a tube railway., thereby allowing a train to run at a very high speed. More particularly, provided is a vacuum division management system and vacuum blocking screen device for a tube railway system required to maintain vacuum (1/3 to 1/1000 of atmospheric pressure), in which the vacuum blocking screen device serves to rapidly block a passage for a tube railway with an operation signal, is installed in every fixed section or in some designated sections of the tube railway, and is driven in a specific section where problems with maintenance of the vacuum occur, where the vacuum is intentionally released, for instance, due to maintenance, or where a train is urgently stopped, thereby allowing the specific section to be isolated from the other sections and to be managed with a degree of vacuum different from those of the other sections.

Abstract: The wheel-type high-speed railway system includes rails provided on a railroad track and configured such that wheels provided in a bogie of a vehicle come into contact with them, a support provided on a tread surface of a railroad track between the rails, a repulsive Linear Synchronous Motor (LSM) provided between the bogie and the support and configured to improve traveling performance by reducing axle load in a high-speed region, first and second steel plates mounted on both sides of the support in inclined positions, and first and second attractive Dynamic Motion Control (DMC) magnets mounted on the bogie of the vehicle in inclined positions to correspond to the first and second steel plates, and configured to generate attractive force.

Abstract: A semiconductor device according to example embodiments may include a channel including a nanowire and a charge storage layer including nanoparticles. A twin gate structure including a first gate and a second gate may be formed on the charge storage layer. The semiconductor device may be a memory device or a diode.

Abstract: A clothing dryer and a control method thereof that adjusts a heater capacity based on a humidity change amount (a drying rate) in a second half of a drying period to reduce power consumption without increase of drying time. The clothing dryer includes a drum to receive clothing, first and second hot air heaters, having different capacities, to supply hot air into the drum, a humidity sensor to sense internal humidity of the drum, and a controller to calculate a humidity change amount in the drum, to compare the calculated humidity change amount with a predetermined change amount, and to control only one having the relatively small capacity selected from the first and second hot air heaters to be operated when the humidity change amount is greater than the predetermined change amount.

Abstract: A clothes dryer having a preheating unit preheating drawn air is provided. The clothes dryer includes a main body, a drying tub rotatably mounted to receive an object to be dried, and a hot air duct supplying hot air into the drying tub. The hot air duct includes a heating unit heating drawn air, and a hot air supply unit connecting the heating unit with the drying tub, thereby forming a path for heated air. The heating unit includes a first heating unit having a heater part generating heat, and a second heating unit surrounding an entrance and outer walls of the first heating unit, thereby forming a path for the air flowing to the first heating unit. The second heating unit includes one or more preheating fins formed on the first heating unit to contact the air flowing in the second heating unit.

Abstract: An encapsulated nanostructure fabricated using layers of polymer material and further processed for use in a micro-scale target device is presented. The fabrication includes the formation on a substrate of an array of encapsulated nanostructures. The encapsulated nanostructures each include a nanostructure and a micro-scale, multi-block structure that encapsulates the nanostructure. Each encapsulated nanostructure can be made usable by a target device by removing, e.g., by etching, one of the layers to expose a portion of the nanostructure.

Abstract: Disclosed are a washing machine having a drying device, which performs a spin-drying operation at a maximally low RPM and supplies cold air to clothes in a delicate course so as to minimize damage to the clothes and improve rinsing and spin-drying efficiencies, and a method for controlling spin-drying of the washing machine. The method for controlling spin-drying of the washing machine, which has a rotary drum for containing clothes, a motor for rotating the rotary drum, and a fan for circulating air into the rotary drum, includes determining whether or not a delicate course is selected; performing low-speed spin-drying in which the rotary drum is rotated at a low speed by operating the motor at a low RPM, when it is determined that the delicate course is selected; and supplying cold air to the inside of the rotary drum by operating the fan together with the low-speed spin-drying.

Abstract: A flat panel display device includes a first substrate having a first electrode and a shield wiring thereon, a second substrate having a second electrode thereon; a liquid crystal layer in a sealed space between the first electrode and the second electrode; and a driving circuit coupled with the first electrode and the second electrode through signal wirings, the shield wiring extending along an edge of the first substrate and electrically connected to ground.

Abstract: Disclosed is a stepped embroidery machine. The stepped embroidery machine includes a plurality of head units including heads, embroidery frames installed at lower portions of the heads is such a manner that the embroidery frames are movable in X-axis and Y-axis directions, X-axis drive units for moving the embroidery frames in an X-axis direction, and Y-axis drive units for moving the embroidery frames in a Y-axis direction, a control unit for controlling an operation of the head units, and a control panel used for inputting and displaying information related to embroidery work and embroidery. The head units are individually driven per each head unit and aligned in a stepped pattern while forming a predetermined step difference therebetween. Since the head units are individually driven, it is possible to individually perform embroidery work with respect to various workpieces.

Abstract: The present invention relates to a method for manufacturing a probe for detecting surface signals or chemical signals through a long and slender rod-shaped nano structure such as tungsten nanowire, carbon nanotube, boron nanotube, etc., being attached to a tip end portion thereof. According to the method, a holder, acting as the probe, including a first electrode to which the rod-shaped nano structure is attached, and a second electrode at a predetermined distance from the first electrode are partially or fully immersed in a solution containing the rod-shaped structure. When a voltage is applied between two electrodes, an electrical field is generated, and the rod-shaped nano structure is attached to the holder, acting as the probe.

Abstract: The present invention relates to a method for manufacturing a probe for detecting surface signals or chemical signals through a long and slender rod-shaped nano structure such as tungsten nanowire, carbon nanotube, boron nanotube, etc., being attached to a tip end portion thereof. According to the method, a holder, acting as the probe, including a first electrode to which the rod-shaped nano structure is attached, and a second electrode at a predetermined distance from the first electrode are partially or fully immersed in a solution containing the rod-shaped structure. When a voltage is applied between two electrodes, an electrical field is generated, and the rod-shaped nano structure is attached to the holder, acting as the probe.

Abstract: Disclosed is a stepped embroidery machine. The stepped embroidery machine includes a plurality of head units including heads, embroidery frames installed at lower portions of the heads is such a manner that the embroidery frames are movable in X-axis and Y-axis directions, X-axis drive units for moving the embroidery frames in an X-axis direction, and Y-axis drive units for moving the embroidery frames in a Y-axis direction, a control unit for controlling an operation of the head units, and a control panel used for inputting and displaying information related to embroidery work and embroidery. The head units are individually driven per each head unit and aligned in a stepped pattern while forming a predetermined step difference therebetween. Since the head units are individually driven, it is possible to individually perform embroidery work with respect to various workpieces.

Abstract: The present invention relates to a method for manufacturing a probe for detecting surface signals or chemical signals through a long and slender rod-shaped nano structure such as tungsten nanowire, carbon nanotube, boron nanotube, etc., being attached to a tip end portion thereof. According to the method, a holder, acting as the probe, including a first electrode to which the rod-shaped nano structure is attached, and a second electrode at a predetermined distance from the first electrode are partially or fully immersed in a solution containing the rod-shaped structure. When a voltage is applied between two electrodes, an electrical field is generated, and the rod-shaped nano structure is attached to the holder, acting as the probe.